explain xkcd - User contributions [en]

Talk:3172: Fifteen Years

2025-11-25T03:39:31Z

2.50.0.22:

Part of a series:
* https://xkcd.com/1141/
* https://xkcd.com/1928/
* https://xkcd.com/2386/
--[[User:Pgn674|Pgn674]] ([[User talk:Pgn674|talk]]) 21:28, 24 November 2025 (UTC)
:[[:Category:X Years]]. [[Special:Contributions/64.201.132.210|64.201.132.210]] 22:03, 24 November 2025 (UTC)
"Growing old is a fabulous alternative to death." [[Special:Contributions/85.255.235.101|85.255.235.101]] 21:30, 24 November 2025 (UTC)

OH MY GOD THIS IS SO SWEET EEEEEEEEEE. So happy for you Randall! <3 '''[[User:42.book.addict|<span style="font-family:Cormorant Garamond;font-size:9pt;color:#3a795e">42.book.addict</span>]]<sup>[[User talk:42.book.addict|<span style="font-family:Cormorant Garamond;font-size:6pt;color:#ce5f15">Talk to me!</span>]]</sup>''' 21:36, 24 November 2025 (UTC)
: this made me, too, tear up - [[User:Vaedez|Vaedez]] ([[User talk:Vaedez|talk]]) 00:22, 25 November 2025 (UTC)

Growing old ... '''together'''. [[Special:Contributions/64.201.132.210|64.201.132.210]] 21:59, 24 November 2025 (UTC)

The paragraph about the title text could use a reference to the series of comics of the form "Students graduating this year have never...". I'm not sure how to find them. [[User:Barmar|Barmar]] ([[User talk:Barmar|talk]]) 22:11, 24 November 2025 (UTC)
: I added a link to what I think is the right category. It might be a little too broad though. [[Special:Contributions/2601:281:C802:9170:0:0:0:4150|2601:281:C802:9170:0:0:0:4150]] 01:53, 25 November 2025 (UTC)

Just. The. Cutest. This is an ideal relationship.--[[User:Maxcodes|Maxcodes]] ([[User talk:Maxcodes|talk]]) 22:32, 24 November 2025 (UTC)

I love being reminded I’m (pretty dang sure I’m) going to die alone, yaaaaaay [[Special:Contributions/2600:4040:12A0:E200:D1D1:1F63:C1A:31F2|2600:4040:12A0:E200:D1D1:1F63:C1A:31F2]] 23:05, 24 November 2025 (UTC)

yay they have survived [[User:Mathmaster|Mathmaster]] ([[User talk:Mathmaster|talk]])

As John Lennon once said, “Grow old along with me.” [[User:KelOfTheStars!|KelOfTheStars!]] ([[User talk:KelOfTheStars!|talk]]) 00:19, 25 November 2025 (UTC)

This weekend, as well as today, I've been quite sick. This was a much-needed boost. <3 love ya, Randall. [[User:DollarStoreBa'al|<span style="font-family: Times New Roman, serif; font-size: 16px;">--'''''[[User:DollarStoreBa'al|<span style="color:#E3C6BE">DollarStoreBa'al</span>]]<sup>[[User Talk:DollarStoreBa'al|<span style="color:#CC9A8B">Converse</span>]]</sup></span>]] ([[User talk:DollarStoreBa'al|talk]]) 02:28, 25 November 2025 (UTC)

This might be my favorite xkcd comic of all time. [[Special:Contributions/68.2.204.250|68.2.204.250]] 03:02, 25 November 2025 (UTC)

Based on the pattern, the next in the series will be "Eighteen Years" [[Special:Contributions/209.52.88.184|209.52.88.184]] 03:23, 25 November 2025 (UTC)
::Nah, a +5,+3,+5,+3 seems too basic. Maybe 22 would work, since this is maximum k for which the grid graph P_2 X P_k is a subgraph of the n X n knight graph. Definitely didn't just copy from the oeis. ANYWAYS, by the time they get to 46 we'll have solved it by then... --[[Special:Contributions/2.50.0.22|2.50.0.22]] 03:39, 25 November 2025 (UTC)

739: Malamanteau

2025-11-18T06:34:53Z

2.50.0.22: /* Aftermath */

{{comic
| number = 739
| date = May 12, 2010
| title = Malamanteau
| image = malamanteau.png
| titletext = The article has twenty-three citations, one of which is an obscure manuscript from the 1490s and the other twenty-two are arguments on LanguageLog.
}}

==Explanation==
A {{w|malapropism}} is the use of an incorrect word in place of a word with a similar sound, resulting in a nonsensical utterance. An example of a {{w|malapropism}} is {{w|Yogi Berra}}'s statement: "Texas has a lot of electrical votes," rather than "electoral votes". A {{w|portmanteau}} is a word made up of two or more combined words. For example, motel is a portmanteau, from the words motor and hotel. A {{w|neologism}} is simply a newly coined word that is not yet in common use. Here, [[Randall]] shows a hypothetical Wikipedia page of the word "malamanteau" which is both a portmanteau of "malapropism" and "portmanteau" and a neologism. The method used to create this new word is one of the very words used in the process. This is called a [[917|meta]] or "self-referential" joke.

By using many large obscure words in one sentence, Randall may also be picking on linguists, [[114|one]] [[1483|of]] his [[1602|favorite]] [[2390|subjects]], who are known for coining and using such words. "Malamanteau" was originally coined in 2007, when user [http://www.metafilter.com/user/17900 ludwig_van] proposed it on [http://www.metafilter.com Metafilter] as a term for language errors like "flustrated" (flustered & frustrated) and "misconscrewed" (misconstrued & screwed). The bottom line of the comic (Ever notice how Wikipedia has a few words it ''really'' likes?) is a reference to a large number of Wikipedia pages that start by labeling their subject matter as a malapropism, a portmanteau, or a neologism.

The title text refers to Wikipedia's requirements of citations for a page on there to exist. It also refers to the wide range of places citations can be obtained from, showing a direct opposition due to the use of very different citations (The Language Log arguments are modern and informal, whereas the obscure manuscript is formal and much older). The title text also refers to the fact that [http://languagelog.ldc.upenn.edu/ Language Log] is frequently used for Wikipedia citations.

Language Log is a blog that posts content relating to language and linguistics, including things like malapropisms and portmanteaus. While an informal source, it has produced new linguistic terms before, such as {{w|eggcorn}}. Its comments sections frequently contain discussions and arguments about English, whose participants are probably the same people who write Wikipedia articles about linguistic phenomena like malamanteaus. In actual fact, [http://languagelog.ldc.upenn.edu/nll/?p=2758 Malamanteau] did not appear on Language Log until after this strip. Malamanteau has since been referenced on the Language Log website, with a link to the comic in question. Language Log has referenced xkcd many times before, reposting the comics and linking to the xkcd website.

The title text jokingly refers to the "malamanteau" citations being Language Log references and a document from the 1490s, in reference to the fact that linguists, like those who post on Language Log, often use old documents as evidence, possibly to prove that construction is a longstanding feature of the language. The joke is that the only references to this word or concept are a 500-year-old document and linguists informally arguing about what it means. In reality, if these citations were the only evidence of the term's use, then it would be unlikely to be a notable feature worthy of a Wikipedia article. Most articles that are only cited by a single website tend to get deleted unless the subject has achieved significant coverage in outside news media.

===Aftermath===
In response to this comic, the {{w|Malamanteau}} article was created and deleted three times in one day, before being turned into a redirect and listed on {{w|WP:RFD|Wikipedia's Redirects for discussion}}. The {{w|Wikipedia:Redirects for discussion/Log/2010 May 12#Malamanteau|discussion to delete Malamanteau}} was one of the most epic and passionate ever to take place at RFD, with almost 200 users participating, even despite being closed early. In the end, the redirect to {{w|xkcd}} was kept, but on {{w|Talk:Malamanteau|the talk page}}, the arguments over it rage on. Malamanteau and the controversy at Wikipedia got coverage at ''{{w|The Economist}}'' and ''{{w|The Boston Globe}}'' and is mentioned in the {{w|Wikipedia:Lamest edit wars#Malamanteau|'''Malamanteau''' section}} within the {{w|Wikipedia:Lamest edit wars|Wikipedia page for the lamest edit wars}}

Elsewhere on Wikipedia, this comic is used to illustrate the {{w|xkcd#Recurring themes|''Recurring themes'' section}} of the {{w|xkcd}} article; in order for this to be possible, Randall changed the license for this particular comic. This has been explained in a unique [[Header text|header text]] that is only displayed on the [[Header text#Malamanteau|page for Malamanteau]]. In response to two Wikipedia editors jokingly bickering about who invented the word "malamanteau" first, Randall replied {{w|User talk:xkcd#Talk:Malamanteau|on his user talk page}}:

{{Quote|I'll happily grant you possession of the word and the accompanying Talk page clusterfuck. As I said in a couple places, there was one hit for the word when I did the comic (yours), which I found after posting and which didn't define it the same way. But I'd be happy to give you credit for coming up with the word before I did (I didn't even mean to invent a word), especially if it means you have to argue about the word's inclusion in Wikipedia. Let's work out an agreement. Can we have your people meet with my people, and then get them to fight to the death in some kind of a cage? I think that would be awesome, as my people are pretty scrappy and I assume yours have been training since at least July 2007.|[[Randall Munroe]]|{{w|User talk:xkcd#Talk:Malamanteau|Source}}}}

==Transcript==
:[The strip is set up as the top of a Wikipedia page.]
:[The Wikipedia logo.]
:Wikipedia
:The free encyclopedia
:[Side navigation options.]
:Navigation
:-Main Page
:-Contents
:-Featured Content
:-Current Events [cutoff]
:[Wikipedia header options.]
:Article Discussion Edit this page [cutoff text: History]
:[The article itself.]
:Malamanteau
:From Wikipedia, the free encyclopedia
:A malamanteau is a neologism for a portmanteau created by incorrectly combining a malapropism with a neologism. It is itself a portmanteau of [...the article cuts off.]
:[Below the panel.]
:Ever notice how Wikipedia has a few words it ''really'' likes?

==Trivia==
* The comic shows Wikipedia as it would have looked at the beginning of May 2010, using its then-current logo and the then-default "Monobook" skin. Incidentally, just a day after the comic’s publication, a new version of the {{w|Wikipedia logo}} was published, and the default skin [[mw:Special:Code/MediaWiki/66383|was switched]] to the "Vector" skin. Nowadays, both of these skins are outdated and no longer maintained after Wikipedia underwent a major redesign to increase usability and accessibility.

* Interestingly, the "f" in Wikipedia's tagline "From Wikipedia, the free encyclopedia" is lowercase. This differs from the other letters, which are written in xkcd's standard all-caps font, including the similar phrase under the Wikipedia logo.

==External links==
*[http://malamanteaus.blogspot.com/ Malamanteaus], a blog dedicated to the creation and proliferation of malamanteaux
*[http://www.urbandictionary.com/define.php?term=Malamanteau Malamanteau] at urbandictionary.com
*[http://wordsquirt.com/Word/View/Malamanteau/dbb34d48-e565-4012-bcc8-56718f351712 Malamanteau] at wordsquirt.com
*[http://languagelog.ldc.upenn.edu/nll/index.php?s=malamanteau Entries referencing "malamanteau"] at LanguageLog.com
*Malamanteau Talk Page Archives {{w|Talk:Malamanteau/Archive 1|1}} and {{w|Talk:Malamanteau/Archive 2|2}} at Wikipedia.com
*{{w|Wikipedia:Articles for deletion/Malamanteau}}
*{{w|File:Malamanteau page history.jpg|Screen capture}} of the deleted history for the "Malamanteau" page from Wikipedia
*[//en.wikipedia.org/w/index.php?title=Special:Log&page=Malamanteau Wikipedia Log for "Malamanteau"]
*Beutler, William (May 5, 2010) "[http://thewikipedian.net/2010/05/18/much-ado-about-malamanteau/ Much Ado About Malamanteau]". ''The Wikipedian''
*McKean, Erin (May 30, 2010) "[http://www.boston.com/bostonglobe/ideas/articles/2010/05/30/one_day_wonder/ One Day Wonder]". ''The Boston Globe''
*R.L.G (Nov 4th 2010) "[http://www.economist.com/blogs/johnson/2010/11/neologisms Eggcorn, mashup, malamanteau or other?]". ''The Economonist''
*July 17, 2007 "[http://ask.metafilter.com/67192/How-to-define-this-language-mistake How to define this language mistake?]" - MetaFilter thread with the first usage
*The section {{w|Wikipedia:Lamest edit wars#Malamanteau|"Malamanteu"}}, within the "Wikipedia:Lamest edit wars" page, in response to the response to this comic.

{{comic discussion}}
[[Category:Wikipedia]]
[[Category:CC-BY-SA comics]]
[[Category:Portmanteau‏‎]]
[[Category:Comics with lowercase text]]

Talk:3152: Skateboard

2025-11-12T05:23:28Z

2.50.0.22:

Maybe Randall took inspiration for this comic from the recent Red Bull stunt with Brazilian skater Sandro Dias, who dropped from the side of a building from a height of 70 meters (that's little over 229 ft) on 25 September 2025. [[Special:Contributions/2804:214:4102:575A:D862:C9B6:9505:D740|2804:214:4102:575A:D862:C9B6:9505:D740]] 01:25, 9 October 2025 (UTC)vinnycordeiro
: @vinnycordeiro, I thought of that too. [https://en.wikipedia.org/wiki/Centro_Administrativo_Fernando_Ferrari] He was able to start in momentary free fall and make a controlled skating descent down the curve of the building (on a smooth skating ramp that had been built to exactly follow the building contour, not directly on the building's normal external surface). Although doing more than twice that height and starting at terminal velocity instead of rest would be extra-impressive. Still, Sandro Dias's achievement shows that a champion skateboarder can keep control of a skateboard with staggeringly large amounts of kinetic energy! [[User:Schoen|Schoen]] ([[User talk:Schoen|talk]]) 03:14, 9 October 2025 (UTC)

Perhaps the “wrong parachute pack” thing is just a common trope, but I was immediately reminded of the example in the Henry Stickmin Collection, where Henry survives the initial fall without a parachute just fine, but is immediately killed by the contents of the backpack falling out and onto his head. [[User:KelOfTheStars!|KelOfTheStars!]] ([[User talk:KelOfTheStars!|talk]]) 01:55, 9 October 2025 (UTC)
: Parachute packs are secured with shoulder AND leg straps, so it's indeed very difficult to mistake them for ordinary backpacks. [[Special:Contributions/194.119.24.136|194.119.24.136]] 08:39, 9 October 2025 (UTC)
:Oh my gosh, how did I not notice that!? I am OBSESSED with THSC. [[User:RadiantRainwing|RadiantRainwing]] ([[User talk:RadiantRainwing|talk]]) 15:32, 9 October 2025 (UTC)
me when i realize that all my fandoms are dead (thsc, xkcd, alan becker.)

Wait, so "gee forces" isn't some kind of weird obscure pun? - [[Special:Contributions/24.177.125.170|24.177.125.170]] 08:51, 9 October 2025 (UTC)
: I wondered that too, but couldn't find any connection, other than that there is a TeamGee that makes electric skateboards, but it doesn't seem to be particularly notable (or even well thought of). [[Special:Contributions/82.13.184.33|82.13.184.33]] 09:41, 9 October 2025 (UTC)

Has anyone done the math to see if the duration of the free fall would realistically be around 90 seconds as in the alt text? I want to believe Randall has, but the only way to know is to double-check... [[Special:Contributions/81.1.2.155|81.1.2.155]] 09:06, 9 October 2025 (UTC)
: OK this is me again, I just found an [https://www.omnicalculator.com/physics/free-fall-air-resistance online calculator] and for an 80-kg object, 90s corresponds to a fall of 5000 m, which is apparently a reasonable skydiving altitude. Of course he doesn't call just as he jumps so take 10 more seconds, that's 6000m. [[Special:Contributions/81.1.2.155|81.1.2.155]] 09:13, 9 October 2025 (UTC)
:: But he would only realize his mistake at the moment of opening his parachute, which is typically around 1000-1200 m, leaving only 20-25 seconds before impact. [[Special:Contributions/194.119.24.133|194.119.24.133]] 11:10, 9 October 2025 (UTC)

Terminal velocity in a flat orientation is something like 200 km/hr, or 55 m/s. The 600 ft halfpipe presumably describes the radius, so that's 180 m. Then, acceleration in a circular path is a = v^2/r, so making that turn would be 55^2 / 180 = 17 m/s^2. With 1 g = 10 m/s^2, that's under 2 g. A 300 ft, or 90 m ramp, would be about 3.5 g. Add 1 g when you're at the bottom of the ramp and your rotational acceleration is aligned with gravity, so 4.5 g on a 300 ft ramp. That is indeed at the 4-5 g's where sustained exposure will cause blackout. Note, it will take about 17 s to travel around a 90 m ramp. If Cueball can manage to land lying flat on the board, humans are much more tolerant of transverse g forces, up to 11 g's for 3 minutes, per https://www.goflightmedicine.com/post/pulling-gs-the-effects-of-g-forces-on-the-human-body But that would also probably prevent doing tricks.[[Special:Contributions/163.116.146.119|163.116.146.119]] 14:27, 9 October 2025 (UTC)

I think it's a reference to the new skate. game that's in early access because you commonly do insane stuff off building or while skydiving in the game. [[User:DetmerL|DetmerL]] ([[User talk:DetmerL|talk]]) 14:37, 9 October 2025 (UTC)

"the difference between the 300 ft and 600 ft ramps could be the difference between tragedy and skating immortality"
Whoever wrote this deserves an award. [[User:Fephisto|Fephisto]] ([[User talk:Fephisto|talk]]) 15:10, 9 October 2025 (UTC)

=== Engineering ===
==== Skateboard ====
Assuming a landing speed of about 55 m/s (terminal velocity for a human falling in a spread-eagle position), and 52 mm diameter wheels, the wheels would spin at about 20000 rpm. Whilst that's well within the range for high quality wheels, the rotational acceleration on the wheels would be stressful; [[Cueball]] would need to land closer to upright to account for this initial resistance.
[[User:Kurahaupo|Kurahaupo]] ([[User talk:Kurahaupo|talk]]) 06:07, 16 October 2025 (UTC)

2844: Black Holes vs Regular Holes

2025-11-12T05:03:05Z

2.50.0.22: /* Explanation */

{{comic
| number = 2844
| date = October 20, 2023
| title = Black Holes vs Regular Holes
| image = black_holes_vs_regular_holes_2x.png
| imagesize = 525x743px
| noexpand = true
| titletext = Created by the collapse of: [massive stars] [Florida limestone bedrock]
}}

==Explanation==
This comic is a comparison between {{w|black hole}}s and regular, everyday {{w|hole}}s.

{| class="wikitable"
!
! scope="col"| Black hole
! scope="col"| Regular hole
! Scope="col"| Explanation
|-
! scope="row" | Usually formed by...
| Supernovas, colliding stars
| Shovels, small mammals
| When a sufficiently large star has consumed nearly all of its low-atomic-weight "fuel", it collapses. This triggers an explosion of what "fuel" remains, creating a supernova. If enough mass remains after the explosion, it becomes a black hole. A black hole can also be formed if enough mass in a small volume accumulates by two stars, especially neutron stars, colliding. On the contrary, regular holes are often created by a variety of natural and anthropogenic causes including, but not limited to: humans using shovels, small mammals such as moles or dogs, the shift or evaporation of underground water, volcanic processes, etc. Of course, this is by no means limited only to small mammals. Many animals, from elephants to ants, are also known to sometimes create this kind of hole.
|-
! scope="row" | Falling in is...
| Definitely fatal
| Sometimes fatal
| Falling into a black hole is almost always fatal, because of the shearing effect created by tidal forces and/or radiation from its {{w|accretion disk}}. If the black hole was extremely massive (on the order of many galaxies' worth of mass) and had a very large event horizon, the tidal forces at its event horizon would not be very strong, nor would there be a noticeable accretion disk (what you experience ''beyond'' that point is subject to serious conjecture). On the other hand, only if a regular hole is deep enough (or someone falls incorrectly), is it possible for someone to die by falling into it.
|-
! scope="row" | Created by the Big Bang
| Maybe
| No
| Like many other celestial objects, black holes may have been created by the {{w|Big Bang}}, especially given that black holes and a base singularity theoretically share many qualities. However ordinary holes were almost definitely not directly created this way. [[Technically]], though, because the entire universe started with the Big Bang, everything in it (including ordinary holes) could be argued to be indirectly "created" by it.
|-
! scope="row" | Created by children playing at the beach
| I '''''really''''' hope not
| Yes
| The creation of black holes may cause many unfortunate events to occur, and is very difficult to do.{{citation needed}} Hence, Randall hopes that children are not accidentally, let alone [[Black Hat|intentionally]], creating black holes on the beach, as this would be cataclysmic for our planet. On the other hand, children commonly dig holes in sand at beaches, and this is a normal thing for them to do.
Alternatively, it could refer to some {{tvtropes|EldritchAbomination|Eldritch Abomination}} children playing at a {{what if|83|cosmic beach}}. In that case, "hopefully not" is also a good response.
|-
! scope="row" | Source of many precious metals
| Indirectly
| Yes
| Both the supernovae that create black holes and various events involving black holes, such as black hole/neutron star mergers, produce large quantities of heavy elements, including precious metals found on Earth, and hence are an indirect source. These metals are often underground, and are thus recovered by digging a regular, though very deep, hole called a mine.
|-
! scope="row" | Einstein imagined falling into one
| Yes
| Probably at least once
| The thought experiments of {{w|Albert Einstein}}, particularly in relation to {{w|general relativity}}, involve consideration of what happens when one falls through gravitationally-curved space, a general way in which black holes can be analysed (as black hole physics was very rudimentary in Einstein's time). Aside from this, almost everyone has had a reason to consider the possibility of falling into a normal hole, and thus includes Einstein as well.
|-
! scope="row" | A component of dark matter
| Maybe
| Probably not
| {{w|Dark matter}} is a theoretical part of the universe, a large amount of its total calculated mass which cannot (yet) be directly seen (or easily interacted with on a non-negligible level). It is considered possible that at least some of this 'missing mass' is in the form of black holes. It is not generally considered an option that ordinary holes have anything to do with this.
|-
! scope="row" | Created by the Large Hadron Collider
| No
| Yes
| There were concerns when the {{w|Large Hadron Collider}} (LHC), a particle super-collider, was put into operation that it would create a black hole and destroy the Earth. This obviously hasn't [https://www.hasthelargehadroncolliderdestroyedtheworldyet.com/ happened yet], and is unlikely ever to happen at all. However, many regular holes were created by the LHC, primarily during its construction. This is because it is mostly underground, and holes are an efficient way to get underground. This provides additional humor of such an important and large device creating something so mundane.
|-
! scope="row" | Massive stars often collapse into them
| Yes
| No
| If a star is large enough, when the star dies, it may still have enough gravity to collapse back into itself, thus creating a black hole. Additionally, any star passing in range of a black hole, such as those near the supermassive black hole in the center of the galaxy, may also fall into it, where it would have collided with the 'original' massive star. Other things may collapse into regular holes in a different sense - for example, a house may collapse into a sink hole. However, most regular holes are not large enough for a star to collapse into in this way (unless one considers the near vacuum of space itself to be a 'hole').
|-
! scope="row" | Explored by humans in famous sci-fi stories
| Yes
| Yes
| Many sci-fi stories and movies explore black holes and regular holes alike. In particular, there's the eponymous classic ''{{w|The Black Hole}}'' and more recent films such as ''{{w|Interstellar (film)|Interstellar}}'', both about space missions that encounter a black hole. {{w|Journey to the Center of the Earth}} is a classic novel by {{w|Jules Verne}} (and made into {{w|Journey to the Center of the Earth (1959 film)|various}} {{w|Journey to the Center of the Earth (2008 theatrical film)|films}}) which involves going into a volcano tube (a kind of hole). H. P. Lovecraft's 1921 short story ''{{w|The Nameless City}}'' involves the explorer narrator venturing into an ancient tunnel (entered through a hole) dug by a pre-human civilization under the Arabian peninsula, and ''{{w|At the Mountains of Madness}}'' involves tunnels lost in the continent of Antarctica. 
|-
! scope="row" | Fatal to get a big one in your body
| Yes
| Yes
| If a black hole somehow appeared inside of a person's body (or even anywhere near it), they would almost definitely die instantly.{{citation needed}} The same goes for a regular hole - if you cut out a massive section of a human's body, they would likely bleed out. This also applies for the holes left by bullets and other high-speed projectiles.
|-
! scope="row" | Some of them are the mouths of wormholes
| Maybe
| Yes
| Black holes are commonly portrayed to be the entrances of {{w|wormhole}}s, especially in sci-fi stories. While wormholes remain purely theoretical, if they exist, some common models for them suggest one end would appear as a black hole, drawing matter in to be ejected from a 'white hole' elsewhere. On the other side, many species of worms live in shallow holes, with a "mouth" on the surface - the "mouth" of the "worm hole". This provides some additional humor by conflating the meanings of the word "wormhole". This could also be a reference to Star Wars Episode V: The Empire Strikes Back, when the Millennium Falcon spacecraft almost gets swallowed by a giant worm in an asteroid hole.
|-
! scope="row" | Stephen Hawking and Kip Thorne argued that any information that falls into them is lost forever
| Yes
| No
| The {{w|Black hole information paradox}} is a paradox arising from a contradiction between two widely-accepted theories related to black holes. Scientist {{w|Stephen Hawking}}, famous for his research into black holes, said that black holes release their energy over time, eventually disappearing, through {{w|Hawking Radiation}}. According to this theory, if information was also to enter the black hole, it would be released alongside this radiation. On the other hand, the {{w|No-hair theorem}} (which was also explored in What If? 2 in Chapter 1: Soupiter), states that all black holes are completely identical outside of three key features: mass, spin, and electric charge. If information that fell into a black hole is released with Hawking radiation, then that means that there ''must'' be more than three properties of black holes. Issues also arise when considering the destruction of this information, which, according to the fundamental rules of physics, is impossible. The issue is that if black holes can only retain three features, with composition not being one of said features, then this rule would be violated, thus requiring a complete rethinking of the fundamental laws of the universe. Hawking and {{w|Kip Thorne}} famously made a {{w|Thorne–Hawking–Preskill bet|bet}} with {{w|John Preskill}} over this paradox.
On the other hand, information that falls into a normal hole is not lost forever, and can likely still be reobtained, especially if the information is stored physically. The science of recovering information from regular holes is called {{w|archaeology}} (or possibly mail sorting).
|-
! scope="row" | Commonly inhabited by meerkats
| Undetermined
| Yes
|{{w|Meerkat}}s commonly live in holes underground, being an example of a small mammal. It is highly unlikely that Earth mammals live in black holes, but because it is impossible to know what lies beyond the event horizon it is [[technically]] impossible to falsify the postulate that there are meerkats there. Additionally, some physicists have entertained the hypothesis that our universe exists inside a black hole. If this were to be true, there would indeed be meerkats inside a black hole at this point in spacetime.
|-
! scope="row" | (title text) Created by the collapse of:
| Massive stars
| Florida limestone bedrock
| As mentioned before, Black holes are often created by the collapse of massive stars. On the other hand, many {{w|sinkhole}}s in Florida are caused due to most {{w|bedrock}} in the state being made of {{w|limestone}}, which is very slightly soluble in water (although that still makes it drastically more soluble than most rocks). When rainwater and groundwater come into contact with this bedrock, it begins to dissolve it, leaving cavities. Eventually, this can dissolve the bedrock so thin that the weight of the ground above it causes the bedrock to collapse. Sinkholes from dissolved limestone are generally entrances to [https://caves.org/ caves] that explore further limestone dissolving from underground waterways. Florida is known for its warm underwater caves [https://www.smithsonianmag.com/science-nature/science-behind-floridas-sinkhole-epidemic-180969158/ and opening sinkholes].
|}

==Transcript==
:[A table comparing two main columns of relevence to various statements]
:[First column is headed:] Black Hole
:[Second column is headed:] Regular Hole
:[Respective statements cells placed to the left of both, below]

:[Statement:] Usually formed by...
:[Black hole:] Supernovas, colliding stars
:[Regular hole:] Shovels, small mammals

:[Statement:] Falling in is...
:[Black hole:] Definitely fatal
:[Regular hole:] Sometimes fatal

:[Statement:] Created by the Big Bang
:[Black hole:] Maybe
:[Regular hole:] No

:[Statement:] Created by children playing at the beach
:[Black hole:] I really hope not [with emphasis on "really"]
:[Regular hole:] Yes

:[Statement:] Source of many precious metals
:[Black hole:] Indirectly
:[Regular hole:] Yes

:[Statement:] Einstein imagined falling into one
:[Black hole:] Yes
:[Regular hole:] Probably at least once

:[Statement:] A component of dark matter
:[Black hole:] Maybe
:[Regular hole:] Probably not

:[Statement:] Created by the Large Hadron Collider
:[Black hole:] No
:[Regular hole:] Yes

:[Statement:] Massive stars often collapse into them
:[Black hole:] Yes
:[Regular hole:] No

:[Statement:] Explored by humans in famous sci-fi stories
:[Black hole:] Yes
:[Regular hole:] Yes

:[Statement:] Fatal to get a big one in your body
:[Black hole:] Yes
:[Regular hole:] Yes

:[Statement:] Some of them are the mouths of wormholes
:[Black hole:] Maybe
:[Regular hole:] Yes

:[Statement:] Stephen Hawking and Kip Thorne argued that any information that falls into them is lost forever
:[Black hole:] Yes
:[Regular hole:] No

:[Statement:] Commonly inhabited by meerkats
:[Black hole:] Undetermined
:[Regular hole:] Yes

{{comic discussion}}
[[Category:Astronomy]]
[[Category:Space]]
[[Category:Cosmology]]
[[Category:Animals]]
[[Category:Comics featuring real people]]

115: Meerkat

2025-11-12T05:00:29Z

2.50.0.22: /* Explanation */

{{comic
| number = 115
| date = June 14, 2006
| title = Meerkat
| image = meerkat.jpg
| titletext = Gorilla, yes. Adorable golden retriever, yes. But it says nothing about meerkats.
}}

==Explanation==
The situation is a reference to the {{tvtropes|AnimalAthleteLoophole|animal athlete loophole}} trope, where an animal joins an underdog<sup><nowiki>[</nowiki>[[559|''pun intended'']]<nowiki>]</nowiki></sup> sports team and saves the day. The other team, which is previously dominant, and usually has an entitled and/or bullying attitude, does not like it, but since there is not a specific rule against it, it has to be allowed.

Randall's combination of animal ({{w|Meerkat}}) and sport ({{w|Rugby union|rugby}}) is particularly unlikely, since meerkats are relatively small, slight animals, whereas rugby is associated with big powerful players, and has not been used in an animal sports movie before.{{Citation needed}}

The title text implies that, as a result of similar instances of animal recruitment in the past, rule changes have been introduced to specifically exclude those animals from taking part, which may be why this team has had to work its way down to meerkats. The governing bodies could probably have avoided this by simply excluding non-human animals.

==Transcript==
:[A Meerkat wearing a {{w|scrum cap}} and blue jersey, and two guys in the background supposedly on a rugby field.]
:You have to admit--there's no rule on the books saying a Meerkat can't play rugby.

==Trivia==

A golden retriever is at the centre of the basketball film ''{{w|Air Bud}}''.

In the film ''{{w|Mr. Go (film)|Mr. Go}}'', a gorilla becomes a star of the Korean Baseball League.

This concept was revisited in [[1552: Rulebook]].

{{comic discussion}}
[[Category:Comics with color]]
[[Category:Sport]]
[[Category:Animals]]

Talk:1323: Protocol

2025-11-06T03:12:29Z

2.50.0.22:

This is funny. I was really drawn into the conversation due to the names. [[Special:Contributions/108.162.246.117|108.162.246.117]] 07:05, 29 January 2014 (UTC)
:Me too! And I'm even more drawn to the meta-conversation!! :) [[User:Nealmcb|Nealmcb]] ([[User talk:Nealmcb|talk]]) 13:30, 29 January 2014 (UTC)
::But what about me? Alice and Bob get way too much time already.... [https://en.wikipedia.org/wiki/Alice_and_Bob Carol (whisper) 13:30 29 January 2014 (UTC)]
Eve appears in [[177: Alice and Bob]] --[[User:JakubNarebski|JakubNarebski]] ([[User talk:JakubNarebski|talk]]) 08:14, 29 January 2014 (UTC)

Heh. I was immediately reminded of the movie, Bob & Carol & Ted & Alice. http://www.imdb.com/title/tt0064100/ I wonder if that movie influenced the encryption names, or vice versa, or mere coincidence?[[Special:Contributions/108.162.216.72|108.162.216.72]] 12:31, 29 January 2014 (UTC)

I think the explanation looks complete to me. I vote to remove the tag. [[User:Jarod997|Jarod997]] ([[User talk:Jarod997|talk]]) 14:04, 29 January 2014 (UTC)

Removed then. There was someone who asked for more [[Cryptography]] comic references. I found 14 and have thus made a new category (see link below). Feel free to add more if I have not found them all by searching on Cryptography and Encryption (I have only included those where there were some direct mention of these issues in the commic - or title text) and not just because there was mention of it in the explanation. However, the words does not have to appear in the commic before I included them. i.e. [[PGP]]. But also feel free to delete one from the list if I was too quick to include it [[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 15:45, 29 January 2014 (UTC)

The description misses a key aspect of the comic. The conversation follows the pattern of a message being sent from Cueball to the Computer Scientist, with the CS sending an acknowledgement back and Cueball continuing --- much in the matter of an internet communication protocol, as referenced in the title. [[User:JamesCurran|JamesCurran]] ([[User talk:JamesCurran|talk]]) 17:06, 29 January 2014 (UTC)

I added a bit of text regarding the possible extra joke in the comic title. [[Special:Contributions/108.162.219.125|108.162.219.125]] 03:01, 18 February 2015 (UTC)

Really excellent explanation. Complete, concise and well written, with some helpful notes in the comments. Keep up the good work! [[Special:Contributions/108.162.219.58|108.162.219.58]] 18:43, 29 January 2014 (UTC)

I agree this would explain the protocol title, but how does it compute with the message at the bottom: ''I've discovered a way to get computer scientists to listen to any boring story''? [[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 18:55, 29 January 2014 (UTC)
:The point is that Cueball tells a completely mundane and booooring! story (might be last evening's soap opera, for example), but by replacing the protagonist names with Alice, Bob and Eve, names commonly used in explanation of public key cryptography, he tricked the Computer Scientist into believing he describes some cryptography protocol, thus making him interested. [[User:Edheldil|Edheldil]] ([[User talk:Edheldil|talk]]) 10:22, 31 January 2014 (UTC)
::By the way, what Cueball describes might very well be DNS cache poisoning -- or what NSA's supposed FOXACID servers do. [[User:Edheldil|Edheldil]] ([[User talk:Edheldil|talk]]) 10:31, 31 January 2014 (UTC)

I believe the essence of this story is in the encryption aspect, not the TCP. Many protocols feature a message-and-reply type of structure, it's not unique to TCP. The alternative to having CS reply to each phrase is to have him not reply to each phrase, which would be boring and not really indicate what's going on in CS's head. As some cryptography problems can be complex they are sometimes stated in "chunks" so people can follow along [https://en.wikipedia.org/wiki/Dining_cryptographers_problem more easily] (See the Description section of the link). In trying to follow what might be a complex problem sometimes people will acknowledge that they understand each part in turn - weather for their own benefit or that of the problem stater. [[User:Jarod997|Jarod997]] ([[User talk:Jarod997|talk]]) 21:04, 29 January 2014 (UTC)
:Found it: [https://en.wikipedia.org/wiki/Bruce_Schneier Bruce Schneier], a notable modern Cryptographer has published a number of cryptography books in which he routinely references characters such as Alice, Bob, and Eve. [[User:Jarod997|Jarod997]] ([[User talk:Jarod997|talk]])
:Also: TCP/IP doesn't necessarily ack every packet, it can also ack multiple packets in one go. This allows for a much larger throughput as the latency per packet goes down to zero. [[User:Kaa-ching|Kaa-ching]] ([[User talk:Kaa-ching|talk]]) 09:33, 30 January 2014 (UTC)

Sometimes I like thinking about archaeologists in the far future, digging through the ruins of the second dark age, and finding one of these. They may have no idea what it says, or what it's about. But if they have any sense of humor, their laughs will cause the world to crack and cumble. Cities will collapse as the vibrations echo through the planet which we so conveniently hollowed out. The world will collapse in on itself. Whoever is on the moon or wherever will look on in horror as the planet itself seems to crumble like that of a supernova. XKCD will be the death of us all. {{unsigned|DollarStoreBa'al|20:58, 18 December 2024}}

Welp, i've got to the point where im so much of un undertale yellow fan that the ost just played while i was reading this. {{unsigned ip|162.158.162.103|06:37, 8 May 2025|You don't particularly care for capital letters, I notice...}}
:ohmygoodnessineverthoughtidfindoneofusinthexkcdwiki, samehere

unixkcd

2025-11-04T03:14:11Z

2.50.0.22: /* Undocumented commands */

{{comic
| date = April 1, 2010
| title = unixkcd
| image = unixkcd.png
| titletext =
| lappend =
| ldomain = uni
| imagesize = 900px
| noexpand = true
| extra = yes
}}
{{series
| series = April
| number = 3
| date = April 1, 2010
| days_late =
| day_category = Thursday
| prev_title = 404: Not Found
| prev_date = April 1, 2008
| next_title = 880: Headache
| next_date = April 1, 2011
| extra_text = In fact, [[April Fools' Day comics|2009 and 2017 are the only years]] in which Randall hasn't marked this day with a comic.
}}

{{TOC}}
==Explanation==
{{incomplete|
*Explain the jokes and references in the [[#Undocumented commands]] section and the sections below it.
*Describe the website interface a bit, such as the links at the bottom.}}
On April 1, 2010, [[Randall Munroe|Randall]] altered the [https://xkcd.com xkcd.com] website to mimic a {{w|Unix}} {{w|command-line interface}}. This interface is still available on [https://uni.xkcd.com uni.xkcd.com] and the source code is [https://github.com/chromakode/xkcdfools available on GitHub]. The comic [[721: Flatland]], released on March 31, 2010, was still up on April 1, 2010, but was unrelated to the Unix interface. The terminal only lists a few available commands, but most commands are undocumented.

===Documented commands===
{| class="sortable wikitable"
! Command
! Response
! Explanation
|-
|<code>'''next'''</code>
|(''shows the next comic'')
|If the latest comic number is given, shows the error <code>Time travel mode not enabled</code>. See <code>'''[[#Undocumented commands|enable time travel]]'''</code> below.
|-
|<code>'''prev'''</code>
|(''shows the previous comic'')
|
|-
|<code>'''first'''</code>
|(''shows the first comic'')
|
|-
|<code>'''last'''</code>
|(''shows the last comic'')
|
|-
|<code>'''display [number]'''</code>
|(''shows the comic with the specified number'')
|Trying to display comic [[404: Not Found]] will result in an endless loading attempt.
|-
|<code>'''random'''</code>
|(''shows a random comic'')
|
|-
|<code>'''ls'''</code>
| rowspan="2" |(''shows the content of the current directory'')
| rowspan="2" |
|-
|<code>'''dir'''</code>
|-
|<code>'''cat [filename]'''</code>
|(''shows the content of the file'')
|See also <code>'''[[#Undocumented commands|cat]]'''</code> below.
|-
|<code>'''cd [directory]'''</code>
|(''changes to the specified directory'')
|
|}

===Undocumented commands===
{| class="sortable wikitable"
! Command
! Response
! Explanation
|-
|<code>'''<nowiki>:(){:|:&};:</nowiki>'''</code>
|<code>[...]</code> (''repeats indefinitely'')
|This command, otherwise known as a [https://askubuntu.com/questions/159491/why-did-the-command-make-my-system-lag-so-badly-i-had-to-reboot shell fork bomb] will make the terminal display the <code>[...]</code> loading dots indefinitely, as though it crashed.
|-
|rowspan="9" |<code>'''a/s/l'''</code> ''or'' <code>'''asl'''</code>
|
|{{w|Age/sex/location|A/S/L}} is not a Unix command, but an acronym of Age/Sex/Location in this case. The following replies are possible:
|-
|<code>2/AMD64/Server Rack</code>
|Answered as if the server replied. sex refered as {{w|AMD}}
|-
|<code>328/M/Transylvania</code>
|Answered by {{w|Dracula}}.
|-
|<code>6/M/Battle School</code>
|Answered by {{w|Ender Wiggin}} or another boy from battle school.
|-
|<code>48/M/The White House</code>
|Answered by {{w|Barack Obama}} or another male of the same age in the White House.
|-
|<code>7/F/Rapture</code>
|Answered by a {{w|Little Sister (BioShock)|Little Sister}} from {{w|BioShock}}.
|-
|<code>Exactly your age/A gender you're attracted to/Far far away.</code>
|Requests for A/S/L are often not answered truthfully, but crafted to suit the one asking the question.
|-
|<code>7,831/F/Lothlórien</code>
|Answered by {{w</code>Galadriel}} or another elf. Lothlorien is the region of middle
|-
|<code>42/M/FBI Field Office</code>
|Answered by an FBI agent, referencing the old [https://tvtropes.org/pmwiki/pmwiki.php/Main/ThereAreNoGirlsOnTheInternet trope] that all girls on the internet are FBI agents impersonating them.
|-
|<code>'''apt-get'''</code>
|<code>This APT has Super Cow Powers.'''</code>
|The <code>'''apt-get'''</code> command is part of the Debian package manager {{w|Advanced_Packaging_Tool|APT}}. This reply is one of the built-in Easter eggs.
|-
|<code>'''apt-get moo'''</code>
|
(__)
(oo)
/------\/
/ | ||
* /\---/\
~~ ~~

...."Have you mooed today?"...
|Displays an ASCII drawing of a cow.
|-
|<code>'''bash'''</code>
|<code>You bash your head against the wall. It's not very effective.</code>
|{{w|Bash}} is a shell for POSIX-based systems. This also references early text-based adventure games where you need to type the action needed to proceed, which could result in unintended consequences. For example, if you typed in something like "ax in chest", the game may stab the axe into your character's torso instead of opening a crate. The line 'it's not very effective' may be a reference to Pokemon, where an attack can deal differing amounts of damage depending on effectiveness.
|-
|<code>'''cat [number]/alt.txt'''</code>
|(''displays the title text of the specified comic'')
|
|-
|<code>'''cat'''</code>

(''without a filename or with an invalid filename'')
|<code>You're a kitty!</code>
|A reference to [[231: Cat Proximity]].
|-
|<code>'''cheat'''</code>
| rowspan="2" |(''opens the [[Store|xkcd Store]]'')
| rowspan="2" |
|-
|<code>'''buy stuff'''</code>
|-
|<code>'''clear'''</code>
|(''clears the screen'')
|
|-
|<code>'''curl'''</code>
|(''creates an iframe to the URL specified'')
|
|-
|<code>'''date'''</code>
|<code>March 32nd</code>
|Instead of April 1st, which is not a real date.{{Citation needed}}
|-
|<code>'''display title text'''</code>
|<code><span style=" colour: red;">display: unable to open image "title": No such file or directory.</span></code>
|Displayed in red text.
|-
|<code>'''echo'''</code>
|<code>Echo ... echo ... echo ...</code>
|<code>'''{{w|Echo (command)|echo}}'''</code> is a command used to print text to the terminal.
|-
|<code>'''ed'''</code>
|<code>You are not a diety</code>
|{{w|Ed (software)|ed}} is a very simple text editor. It is usually not considered very user-friendly. See also <code>'''vi'''</code> and <code>'''emacs'''</code>.
|-
|<code>'''emacs'''</code>
|<code>You should use Vim.</code>
|A reference to [[378: Real Programmers]].
|-
|<code>'''enable time travel'''</code>
|<code>TARDIS error: Time Lord missing</code>
|A {{w|Doctor Who}} reference. See also the <code>'''next'''</code> command.
|-
|<code>'''exit'''</code>
| rowspan="3" |(''ends the terminal session'')
| rowspan="3" |
|-
|<code>'''quit'''</code>
|-
|<code>'''logout'''</code>
|-
|<code>'''find kitten'''</code>
|(''showed the {{w|robotfindskitten}} game'')
|The link to the Flash version no longer works, but an HTML version is available [http://robotfindskitten.org/play/robotfindskitten/ here].
|-
|<code>'''find'''</code>
|<code>What do you want to find? Kitten would be nice.</code>
|
|-
|<code>'''finger'''</code>
|<code>Mmmmmm...</code>
|<code>'''finger USER'''</code> is used on UNIX-like systems to get information about another USER. Here, Randall is taking advantage of its suggestive name, with 'finger' referring to an action where one sticks their finger in another's anus, usually for sexual pleasure.
|-
|<code>'''fuck'''</code>
|<code>I have a headache.</code>
|Though the command may have been intended as a profanity, it is interpreted as if a request for sexual intercourse. A stereotypical ({{tvtropes|MediaNotes/TheHaysCode|film-friendly}}) response to an expected but unwanted 'bedtime request' from an overamorous bed-partner is to claim to have a headache.
|-
|<code>'''goto [any]'''</code>
|(''shows comic [[292: goto]] and asks if you meant <code>'''display'''</code> instead.'')
|
|-
|<code>'''go back'''</code>
|<code>You cannot go back.</code>
|
|-
|<code>'''go down'''</code>
|<code>On our first date?</code>
|
|-
|<code>'''Hello Joshua'''</code>
|<code>How about a nice game of Global Thermonuclear War?</code>
|A reference to the {{w|WarGames}} movie.
|-
|<code>'''hello'''</code>
|<code>Hello.</code>
|A second reply <code>Why hello there!</code> is coded, but it is never used.
|-
|<code>'''help'''</code>
| rowspan="2" |<code>That would be cheating!</code>
| rowspan="2" |
|-
|<code>'''halp'''</code>
|-
|<code>'''hi'''</code>
|<code>Hi.</code>
|
|-
| rowspan="4" |<code>'''hint'''</code>
|<code>We offer some nice polos.</code>
| rowspan="4" |Randomly replies with one of four options.
|-
|<code>This terminal will remain available at '''<span class="plainlinks">[https://xkcd.com/unixkcd/ xkcd.com/unixkcd/]'''</span></code>
|-
|<code>Use the source, Luke!</code>
|-
|<code>There are cheat codes.</code>
|-
|<code>'''i read the source code'''</code>
|<code><3</code>
|
|-
|<code>'''irc [nick]'''</code>
| rowspan="2" |(''starts an {{w|IRC}} session on the xkcd channel on irc.foonetic.net'')
| rowspan="2" |
|-
|<code>'''write [nick]'''</code>
|-
|<code>'''kill'''</code>
|<code>Terminator deployed to 1984.</code>
|A reference to the {{w|The_Terminator|Terminator}} movie. In Bash, <code>'''kill'''</code> is used to end a process.
|-
|<code>'''latest'''</code>
|(''displays the latest comic'')
|
|-
|<code>'''locate [filename]'''</code>
|
|is normally used to locate a file in a directory. It will give humorous results when searching for <code>'''ninja'''</code>, <code>'''keys'''</code>, <code>'''joke'''</code>, <code>'''problem'''</code> and <code>'''raptor'''</code>.
|-
|<code>'''lpr'''</code>
|<code>PC LOAD LETTER</code>
|{{w|Line Printer Daemon protocol|<code>'''lpr'''</code>}} is a command to print documents. {{w|PC_LOAD_LETTER}} is a printer error.
|-
|<code>'''make love'''</code>
|<code>I put on my robe and wizard hat.</code>
|A reference to this [http://www.albinoblacksheep.com/text/bloodninja roleplay chat transcript] (NSFW), which was also mentioned in [[442: xkcd Loves the Discovery Channel]]. <code>'''make love'''</code> is a standard Unix joke, because the reply is <code>make: don't know how to make love</code>.
|-
|<code>'''make me a sandwich'''</code>
|<code>What? Make it yourself.</code>
|A reference to [[149: Sandwich]].
|-
|<code>'''man [command]'''</code>
|(''shows unhelpful information about the command'')
|Only <code>'''last'''</code>, <code>'''help'''</code>, <code>'''next'''</code>, <code>'''cat'''</code> have unique responses, all others show a generic "Oh, I\'m sure you can figure it out."
|-
|<code>'''moo'''</code>
|<code>moo</code>
|
|-
|<code>'''more'''</code>
|<code>Oh, yes! More! More!</code>
|The {{w|More (command)|more}} command is used to paginate output.
|-
|<code>'''nano'''</code>
|<code>Seriously? Why don't you just use Notepad.exe? Or MS Paint?</code>
|{{w|GNU nano|Nano}} is another text editor for Unix systems (see <code>'''vi'''</code> and <code>'''emacs'''</code>).
|-
|<code>'''ping'''</code>
|<code>There is another submarine three miles ahead, bearing 225, forty fathoms down.</code>
|The {{w|Ping (networking utility)|ping}} command is used to measure round trip times to a destination. The name of the command comes from sonar technology. A submarine using sonar may 'ping' to illuminate nearby submarines on radar.
|-
|<code>'''pwd'''</code>
|<code>You are in a maze of twisty passages, all alike.</code>
|The {{w|pwd}} command prints the current working directory (see <code>'''look'''</code>). The output is a reference to {{w|Colossal Cave Adventure}}.
|-
|<code>'''reddit [number]'''</code>
|(''shows the [https://www.reddit.com/ Reddit] voting bar for the specified comic'')
|If no number is specified, shows xkcd.
|-
|<code>'''rm [filename]'''</code>
|(''removes a file'')
|
|-
|<code>'''rm -r'''</code>
|(''removes a directory'')
|
|-
|<code>'''serenity'''</code>
|<code>You can't take the sky from me.</code>
|This is a line from the Balad of Serenity from the {{w|Firefly_(TV_series)|Firefly}} TV series. Serenity is also the name of an Operating System (that Randall probably wasn't thinking of): [https://www.serenityos.org/ SerenityOS].
|-
|<code>'''shutdown'''</code>
| rowspan="2" |<code>Must be root.</code>
| rowspan="2" |See also <code>'''sudo poweroff'''</code>.
|-
|<code>'''poweroff'''</code>
|-
|<code>'''ssh'''</code>
|<code>ssh, this is a library.</code>
|{{w|Secure Shell|ssh}} is the command to start a secure shell, but it also resembles the "{{w|Shh}}" sound.
|-
|<code>'''su'''</code>
|<code>God mode activated. Remember, with great power comes great ... aw, screw it, go have fun.</code>
|{{w|Su (Unix)|<code>'''su'''</code>}} is a command for logging as an upper user, which gives you full and potentially dangerous access to the system. On some systems, "{{w|With great power comes great responsibility|with great power comes great responsibility}}" is also part of a message that is printed the first time <code>'''sudo'''</code> is used.
|-
|<code>'''sudo [command]'''</code>
|(''executes the command with {{w|Superuser|root}} privileges'')
|
|-
|<code>'''sudo apt-get dist-upgrade'''</code>
|<code>You are already running [OS].</code>
|
|-
|<code>'''sudo apt-get moo'''</code>
|<code>Have you mooed today?</code>
|(apt-get Easter egg).
|-
|<code>'''sudo apt-get update'''</code>
|<code>Reading package lists... Done</code>
|Refreshes the package list so the system knows which updates are available.
|-
|<code>'''sudo apt-get upgrade'''</code>
|(''shows a link to [http://abetterbrowser.org/ A Better Browser] on Internet Explorer and Firefox (< v3). On all other browsers, it says ''<code>This looks pretty good to me.</code>
|
|-
|<code>'''sudo make me a sandwich'''</code>
|<code>Okay</code>
|Behaves like [[149: Sandwich]].
|-
|<code>'''sudo !!'''</code>
|(''will sudo the last command'')
|
|-
|<code>'''sudo poweroff'''</code>
| rowspan="2" |(''shuts down the system'')
| rowspan="2" |
|-
|<code>'''sudo shutdown'''</code>
|-
|<code>'''sudo reboot'''</code>
| rowspan="2" |(''restarts the system'')
| rowspan="2" |
|-
|<code>'''sudo restart'''</code>
|-
|<code>'''sudo rm -rf /'''</code>
|(''breaks all commands until the page is reloaded'')
|If this command is run in Linux, then it will simply delete everything in the distro it is run on.
|-
|<code>'''sudo sudo'''</code>
|<code><span style=" colour: red;">An internal error occurred: RangeError: Maximum call stack size exceeded</span></code>
|in red text.
|-
|<code>'''time travel'''</code>
|(''shows [[630: Time Travel]]'')
|
|-
|<code>'''top'''</code>
|<code>It's up there --^</code>
|The {{w|Top_(software)|<code>'''top'''</code>}} command shows a table of processes. Here it is taken literally.
|-
|<code>'''uname'''</code>
|<code>Illudium Q-36 Explosive Space Modulator</code>
|<code>'''uname'''</code> on Unix lists system information. The Illudium Q-36 Explosive Space Modulator is an explosive device created by Marvin the Martian in the {{w|Looney Tunes}} series.
|-
|<code>'''unixkcd'''</code>
|(''opens a new terminal window'')
|
|-
|<code>'''use the force luke'''</code>
|<code>I believe you mean source.</code>
|A reference to {{w|The Force (Star Wars)|the Force}} in the {{w|Star Wars}} franchise.
|-
|<code>'''use the source luke'''</code>
|<code>I'm not luke, you're luke!</code>
|An old programmers' joke.
|-
|<code>'''vi'''</code>
| rowspan="2" |<code>You should use emacs.</code>
| rowspan="2" |A reference to [[378: Real Programmers]].
|-
|<code>'''vim'''</code>
|-
|<code>'''wget [URL]'''</code>
|(''shows the content of the specified URL'')
|<code>'''{{w|wget}}'''</code> is a command on Unix to download the content and not show it.
|-
|<code>'''who'''</code>
|<code>Doctor Who?</code>
|Another {{w|Doctor Who}} reference. The <code>'''who'''</code> command on Unix lists the logged-in users.
|-
|<code>'''Whoami'''</code>
|<code>You are Richard Stallman.</code>
|The {{w|whoami}} command lists the name of the current user. [[Richard Stallman]] is the creator of the GNU project and the Free Software Foundation.
|-

|<code>'''xkcd'''</code>
|<code>Yes?</code>
|
|-
|<code>'''xyzzy'''</code>
|<code>Nothing happens.</code>
|{{w|Xyzzy_(computing)|xyzzy}} is a magic word, originally used in the game {{w|Colossal Cave Adventure}}.
|-
|<code>'''your gay'''</code>
|<code>Keep your hands off it!</code>
|
|-
|<code>'''!!'''</code>
|(''reruns the previous command after stating the command'')
|
|}

====Game commands====
There are also some other commands borrowed from a {{w|Zork}} like {{w|Text-based game|text-based adventure game}}.
{| class="sortable wikitable"
! Command
! Response
! Explanation
|-
|<code>'''look'''</code>
|(''describes your current surroundings'')
|
|-
|<code>'''go [direction]'''</code>
|(''moves you in the specified direction'')
|Going West repeatedly will list the refrain from the song {{w|Go West (song)|Go West}}.
|-
|<code>'''light lamp'''</code>
|(''lights your lamp'')
|You will be killed by a {{w|Grue (monster)|grue}} if you don't light your lamp when going south.
|-
|<code>'''sleep [seconds]'''</code>
|(''sleeps for the specified time'')
|Without specifying, the nap is 5 seconds.
|}

====Konami code====
[[File:Konami code.png|300px|thumb|The image used as the background after using the Konami code five times.]]The terminal also responds to the {{w|Konami code}} Up, Up, Down, Down, Left, Right, Left, Right, B, A. Entering this code repeatedly will, in order:
# Transform all characters to uppercase
# Add a grey text shadow
# Add an orange text-shadow
# Shake the screen
# Add a background image of [[Richard Stallman]] from [[345: 1337: Part 5]].

==Transcript==
{{incomplete transcript|Describe the initial interface fully.}}
:[The screen is black.]
:[The text is white, monospaced, and in the top left, similar to that of a computer terminal.]
:[The terminal automatically runs the command:]
:display
:[The most recent XKCD comic appears below the current line.]
:[The terminal runs the command:]
:cat welcome.txt
:Terminal: Welcome to the unixkcd console.
:Terminal: To navigate the comics, enter "next", "prev", "first", "last", "display", or "random".
:Terminal: Use "ls", "cat", and "cd" to navigate the filesystem.
:[A blinking text cursor appears on the next line, and you can type in commands to make the terminal do stuff.]

{{comic discussion}}

[[Category:April Fools' Day comics|0800]]
[[Category:Comics featuring Richard Stallman]]
[[Category:Computers]]
[[Category:Dynamic comics]]
[[Category:Interactive comics]]
[[Category:Comics with animation]]
[[Category:No title text]]
[[Category:Comics with inverted brightness]]
[[Category:Programming]]

unixkcd

2025-11-04T03:12:59Z

2.50.0.22: /* Undocumented commands */

{{comic
| date = April 1, 2010
| title = unixkcd
| image = unixkcd.png
| titletext =
| lappend =
| ldomain = uni
| imagesize = 900px
| noexpand = true
| extra = yes
}}
{{series
| series = April
| number = 3
| date = April 1, 2010
| days_late =
| day_category = Thursday
| prev_title = 404: Not Found
| prev_date = April 1, 2008
| next_title = 880: Headache
| next_date = April 1, 2011
| extra_text = In fact, [[April Fools' Day comics|2009 and 2017 are the only years]] in which Randall hasn't marked this day with a comic.
}}

{{TOC}}
==Explanation==
{{incomplete|
*Explain the jokes and references in the [[#Undocumented commands]] section and the sections below it.
*Describe the website interface a bit, such as the links at the bottom.}}
On April 1, 2010, [[Randall Munroe|Randall]] altered the [https://xkcd.com xkcd.com] website to mimic a {{w|Unix}} {{w|command-line interface}}. This interface is still available on [https://uni.xkcd.com uni.xkcd.com] and the source code is [https://github.com/chromakode/xkcdfools available on GitHub]. The comic [[721: Flatland]], released on March 31, 2010, was still up on April 1, 2010, but was unrelated to the Unix interface. The terminal only lists a few available commands, but most commands are undocumented.

===Documented commands===
{| class="sortable wikitable"
! Command
! Response
! Explanation
|-
|<code>'''next'''</code>
|(''shows the next comic'')
|If the latest comic number is given, shows the error <code>Time travel mode not enabled</code>. See <code>'''[[#Undocumented commands|enable time travel]]'''</code> below.
|-
|<code>'''prev'''</code>
|(''shows the previous comic'')
|
|-
|<code>'''first'''</code>
|(''shows the first comic'')
|
|-
|<code>'''last'''</code>
|(''shows the last comic'')
|
|-
|<code>'''display [number]'''</code>
|(''shows the comic with the specified number'')
|Trying to display comic [[404: Not Found]] will result in an endless loading attempt.
|-
|<code>'''random'''</code>
|(''shows a random comic'')
|
|-
|<code>'''ls'''</code>
| rowspan="2" |(''shows the content of the current directory'')
| rowspan="2" |
|-
|<code>'''dir'''</code>
|-
|<code>'''cat [filename]'''</code>
|(''shows the content of the file'')
|See also <code>'''[[#Undocumented commands|cat]]'''</code> below.
|-
|<code>'''cd [directory]'''</code>
|(''changes to the specified directory'')
|
|}

===Undocumented commands===
{| class="sortable wikitable"
! Command
! Response
! Explanation
|-
|<code>'''<nowiki>:(){:|:&};:</nowiki>'''</code>
|<code>[...]</code> (''repeats indefinitely'')
|This command, otherwise known as a [https://askubuntu.com/questions/159491/why-did-the-command-make-my-system-lag-so-badly-i-had-to-reboot shell fork bomb] will make the terminal display the <code>[...]</code> loading dots indefinitely, as though it crashed.
|-
|rowspan="9" |<code>'''a/s/l'''</code> ''or'' <code>'''asl'''</code>
|
|{{w|Age/sex/location|A/S/L}} is not a Unix command, but an acronym of Age/Sex/Location in this case. The following replies are possible:
|-
|<code>2/AMD64/Server Rack</code>
|Answered as if the server replied. sex refered as {{w|AMD}}
|-
|<code>328/M/Transylvania</code>
|Answered by {{w|Dracula}}.
|-
|<code>6/M/Battle School</code>
|Answered by {{w|Ender Wiggin}} or another boy from battle school.
|-
|<code>48/M/The White House</code>
|Answered by {{w|Barack Obama}} or another male of the same age in the White House.
|-
|<code>7/F/Rapture</code>
|Answered by a {{w|Little Sister (BioShock)|Little Sister}} from {{w|BioShock}}.
|-
|<code>Exactly your age/A gender you're attracted to/Far far away.</code>
|Requests for A/S/L are often not answered truthfully, but crafted to suit the one asking the question.
|-
|<code>7,831/F/Lothlórien</code>
|Answered by {{w</code>Galadriel}} or another elf. Lothlorien is the region of middle
|-
|<code>42/M/FBI Field Office</code>
|Answered by an FBI agent, referencing the old [https://tvtropes.org/pmwiki/pmwiki.php/Main/ThereAreNoGirlsOnTheInternet trope] that all girls on the internet are FBI agents impersonating them.
|-
|<code>'''apt-get'''</code>
|<code>This APT has Super Cow Powers.'''</code>
|The <code>'''apt-get'''</code> command is part of the Debian package manager {{w|Advanced_Packaging_Tool|APT}}. This reply is one of the built-in Easter eggs.
|-
|<code>'''apt-get moo'''</code>
|
(__)
(oo)
/------\/
/ | ||
* /\---/\
~~ ~~

...."Have you mooed today?"...
|Displays an ASCII drawing of a cow.
|-
|<code>'''bash'''</code>
|<code>You bash your head against the wall. It's not very effective.</code>
|{{w|Bash}} is a shell for POSIX-based systems. This also references early text-based adventure games where you need to type the action needed to proceed, which could result in unintended consequences. For example, if you typed in something like "ax in chest", the game may stab the axe into your character's torso instead of opening a crate. The line 'it's not very effective' may be a reference to Pokemon, where an attack can deal differing amounts of damage depending on effectiveness.
|-
|<code>'''cat [number]/alt.txt'''</code>
|(''displays the title text of the specified comic'')
|
|-
|<code>'''cat'''</code>

(''without a filename or with an invalid filename'')
|<code>You're a kitty!</code>
|A reference to [[231: Cat Proximity]].
|-
|<code>'''cheat'''</code>
| rowspan="2" |(''opens the [[Store|xkcd Store]]'')
| rowspan="2" |
|-
|<code>'''buy stuff'''</code>
|-
|<code>'''clear'''</code>
|(''clears the screen'')
|
|-
|<code>'''curl'''</code>
|(''creates an iframe to the URL specified'')
|
|-
|<code>'''date'''</code>
|<code>March 32nd</code>
|Instead of April 1st, which is not a real date.{{Citation needed}}
|-
|<code>'''display title text'''</code>
|<code><span style=" colour: red;">display: unable to open image "title": No such file or directory.</span></code>
|Displayed in red text.
|-
|<code>'''echo'''</code>
|<code>Echo ... echo ... echo ...</code>
|<code>'''{{w|Echo (command)|echo}}'''</code> is a command used to print text to the terminal.
|-
|<code>'''ed'''</code>
|<code>You are not a diety</code>
|{{w|Ed (software)|ed}} is a very simple text editor. It is usually not considered very user-friendly. See also <code>'''vi'''</code> and <code>'''emacs'''</code>.
|-
|<code>'''emacs'''</code>
|<code>You should use Vim.</code>
|A reference to [[378: Real Programmers]].
|-
|<code>'''enable time travel'''</code>
|<code>TARDIS error: Time Lord missing</code>
|A {{w|Doctor Who}} reference. See also the <code>'''next'''</code> command.
|-
|<code>'''exit'''</code>
| rowspan="3" |(''ends the terminal session'')
| rowspan="3" |
|-
|<code>'''quit'''</code>
|-
|<code>'''logout'''</code>
|-
|<code>'''find kitten'''</code>
|(''showed the {{w|robotfindskitten}} game'')
|The link to the Flash version no longer works, but an HTML version is available [http://robotfindskitten.org/play/robotfindskitten/ here].
|-
|<code>'''find'''</code>
|<code>What do you want to find? Kitten would be nice.</code>
|
|-
|<code>'''finger'''</code>
|<code>Mmmmmm...</code>
|<code>'''finger USER'''</code> is used on UNIX-like systems to get information about another USER. Here, Randall is taking advantage of its suggestive name, with 'finger' referring to an action where one sticks their finger in another's anus, usually for sexual pleasure.
|-
|<code>'''fuck'''</code>
|<code>I have a headache.</code>
|Though the command may have been intended as a profanity, it is interpreted as if a request for sexual intercourse. A stereotypical ({{tvtropes|MediaNotes/TheHaysCode|film-friendly}}) response to an expected but unwanted 'bedtime request' from an overamorous bed-partner is to claim to have a headache.
|-
|<code>'''goto [any]'''</code>
|(''shows comic [[292: goto]] and asks if you meant <code>'''display'''</code> instead.'')
|
|-
|<code>'''go back'''</code>
|<code>You cannot go back.</code>
|
|-
|<code>'''go down'''</code>
|<code>On our first date?</code>
|
|-
|<code>'''Hello Joshua'''</code>
|<code>How about a nice game of Global Thermonuclear War?</code>
|A reference to the {{w|WarGames}} movie.
|-
|<code>'''hello'''</code>
|<code>Hello.</code>
|A second reply <code>Why hello there!</code> is coded, but it is never used.
|-
|<code>'''help'''</code>
| rowspan="2" |<code>That would be cheating!</code>
| rowspan="2" |
|-
|<code>'''halp'''</code>
|-
|<code>'''hi'''</code>
|<code>Hi.</code>
|
|-
| rowspan="4" |<code>'''hint'''</code>
|<code>We offer some nice polos.</code>
| rowspan="4" |Randomly replies with one of four options.
|-
|<code>This terminal will remain available at '''<span class="plainlinks">[https://xkcd.com/unixkcd/ xkcd.com/unixkcd/]'''</span></code>
|-
|<code>Use the source, Luke!</code>
|-
|<code>There are cheat codes.</code>
|-
|<code>'''i read the source code'''</code>
|<code><3</code>
|
|-
|<code>'''irc [nick]'''</code>
| rowspan="2" |(''starts an {{w|IRC}} session on the xkcd channel on irc.foonetic.net'')
| rowspan="2" |
|-
|<code>'''write [nick]'''</code>
|-
|<code>'''kill'''</code>
|<code>Terminator deployed to 1984.</code>
|A reference to the {{w|The_Terminator|Terminator}} movie. In Bash, <code>'''kill'''</code> is used to end a process.
|-
|<code>'''latest'''</code>
|(''displays the latest comic'')
|
|-
|<code>'''locate [filename]'''</code>
|
|is normally used to locate a file in a directory. It will give humorous results when searching for <code>'''ninja'''</code>, <code>'''keys'''</code>, <code>'''joke'''</code>, <code>'''problem'''</code> and <code>'''raptor'''</code>.
|-
|<code>'''lpr'''</code>
|<code>PC LOAD LETTER</code>
|{{w|Line Printer Daemon protocol|<code>'''lpr'''</code>}} is a command to print documents. {{w|PC_LOAD_LETTER}} is a printer error.
|-
|<code>'''make love'''</code>
|<code>I put on my robe and wizard hat.</code>
|A reference to this [http://www.albinoblacksheep.com/text/bloodninja roleplay chat transcript] (NSFW), which was also mentioned in [[442: xkcd Loves the Discovery Channel]]. <code>'''make love'''</code> is a standard Unix joke, because the reply is <code>make: don't know how to make love</code>.
|-
|<code>'''make me a sandwich'''</code>
|<code>What? Make it yourself.</code>
|A reference to [[149: Sandwich]].
|-
|<code>'''man [command]'''</code>
|(''shows unhelpful information about the command'')
|Only <code>'''last'''</code>, <code>'''help'''</code>, <code>'''next'''</code>, <code>'''cat'''</code> have unique responses, all others show a generic "Oh, I\'m sure you can figure it out."
|-
|<code>'''moo'''</code>
|<code>moo</code>
|
|-
|<code>'''more'''</code>
|<code>Oh, yes! More! More!</code>
|The {{w|More (command)|more}} command is used to paginate output.
|-
|<code>'''nano'''</code>
|<code>Seriously? Why don't you just use Notepad.exe? Or MS Paint?</code>
|{{w|GNU nano|Nano}} is another text editor for Unix systems (see <code>'''vi'''</code> and <code>'''emacs'''</code>).
|-
|<code>'''ping'''</code>
|<code>There is another submarine three miles ahead, bearing 225, forty fathoms down.</code>
|The {{w|Ping (networking utility)|ping}} command is used to measure round trip times to a destination. The name of the command comes from sonar technology. A submarine using sonar may 'ping' to illuminate nearby submarines on radar.
|-
|<code>'''pwd'''</code>
|<code>You are in a maze of twisty passages, all alike.</code>
|The {{w|pwd}} command prints the current working directory (see <code>'''look'''</code>). The output is a reference to {{w|Colossal Cave Adventure}}.
|-
|<code>'''reddit [number]'''</code>
|(''shows the [https://www.reddit.com/ Reddit] voting bar for the specified comic'')
|If no number is specified, shows xkcd.
|-
|<code>'''rm [filename]'''</code>
|(''removes a file'')
|
|-
|<code>'''rm -r'''</code>
|(''removes a directory'')
|
|-
|<code>'''serenity'''</code>
|<code>You can't take the sky from me.</code>
|This is a line from the Balad of Serenity from the {{w|Firefly_(TV_series)|Firefly}} TV series. Serenity is also the name of an Operating System (that Randall probably wasn't thinking of): [https://www.serenityos.org/ SerenityOS].
|-
|<code>'''shutdown'''</code>
| rowspan="2" |<code>Must be root.</code>
| rowspan="2" |See also <code>'''sudo poweroff'''</code>.
|-
|<code>'''poweroff'''</code>
|-
|<code>'''ssh'''</code>
|<code>ssh, this is a library.</code>
|{{w|Secure Shell|ssh}} is the command to start a secure shell, but it also resembles the "{{w|Shh}}" sound.
|-
|<code>'''su'''</code>
|<code>God mode activated. Remember, with great power comes great ... aw, screw it, go have fun.</code>
|{{w|Su (Unix)|<code>'''su'''</code>}} is a command for logging as an upper user, which gives you full and potentially dangerous access to the system. On some systems, "{{w|With great power comes great responsibility|with great power comes great responsibility}}" is also part of a message that is printed the first time <code>'''sudo'''</code> is used.
|-
|<code>'''sudo [command]'''</code>
|(''executes the command with {{w|Superuser|root}} privileges'')
|
|-
|<code>'''sudo apt-get dist-upgrade'''</code>
|<code>You are already running [OS].</code>
|
|-
|<code>'''sudo apt-get moo'''</code>
|<code>Have you mooed today?</code>
|(apt-get Easter egg).
|-
|<code>'''sudo apt-get update'''</code>
|<code>Reading package lists... Done</code>
|Refreshes the package list so the system knows which updates are available.
|-
|<code>'''sudo apt-get upgrade'''</code>
|(''shows a link to [http://abetterbrowser.org/ A Better Browser] on Internet Explorer and Firefox (< v3). On all other browsers, it says <code>This looks pretty good to me.</code>
|
|-
|<code>'''sudo make me a sandwich'''</code>
|<code>Okay</code>
|Behaves like [[149: Sandwich]].
|-
|<code>'''sudo !!'''</code>
|(''will sudo the last command'')
|
|-
|<code>'''sudo poweroff'''</code>
| rowspan="2" |(''shuts down the system'')
| rowspan="2" |
|-
|<code>'''sudo shutdown'''</code>
|-
|<code>'''sudo reboot'''</code>
| rowspan="2" |(''restarts the system'')
| rowspan="2" |
|-
|<code>'''sudo restart'''</code>
|-
|<code>'''sudo rm -rf /'''</code>
|(''breaks all commands until the page is reloaded'')
|If this command is run in Linux, then it will simply delete everything in the distro it is run on.
|-
|<code>'''sudo sudo'''</code>
|<code><span style=" colour: red;">An internal error occurred: RangeError: Maximum call stack size exceeded</span></code>
|in red text.
|-
|<code>'''time travel'''</code>
|(''shows [[630: Time Travel]]'')
|
|-
|<code>'''top'''</code>
|<code>It's up there --^</code>
|The {{w|Top_(software)|<code>'''top'''</code>}} command shows a table of processes. Here it is taken literally.
|-
|<code>'''uname'''</code>
|<code>Illudium Q-36 Explosive Space Modulator</code>
|<code>'''uname'''</code> on Unix lists system information. The Illudium Q-36 Explosive Space Modulator is an explosive device created by Marvin the Martian in the {{w|Looney Tunes}} series.
|-
|<code>'''unixkcd'''</code>
|(''opens a new terminal window'')
|
|-
|<code>'''use the force luke'''</code>
|<code>I believe you mean source.</code>
|A reference to {{w|The Force (Star Wars)|the Force}} in the {{w|Star Wars}} franchise.
|-
|<code>'''use the source luke'''</code>
|<code>I'm not luke, you're luke!</code>
|An old programmers' joke.
|-
|<code>'''vi'''</code>
| rowspan="2" |<code>You should use emacs.</code>
| rowspan="2" |A reference to [[378: Real Programmers]].
|-
|<code>'''vim'''</code>
|-
|<code>'''wget [URL]'''</code>
|(''shows the content of the specified URL'')
|<code>'''{{w|wget}}'''</code> is a command on Unix to download the content and not show it.
|-
|<code>'''who'''</code>
|<code>Doctor Who?</code>
|Another {{w|Doctor Who}} reference. The <code>'''who'''</code> command on Unix lists the logged-in users.
|-
|<code>'''Whoami'''</code>
|<code>You are Richard Stallman.</code>
|The {{w|whoami}} command lists the name of the current user. [[Richard Stallman]] is the creator of the GNU project and the Free Software Foundation.
|-

|<code>'''xkcd'''</code>
|<code>Yes?</code>
|
|-
|<code>'''xyzzy'''</code>
|<code>Nothing happens.</code>
|{{w|Xyzzy_(computing)|xyzzy}} is a magic word, originally used in the game {{w|Colossal Cave Adventure}}.
|-
|<code>'''your gay'''</code>
|<code>Keep your hands off it!</code>
|
|-
|<code>'''!!'''</code>
|(''reruns the previous command after stating the command'')
|
|}

====Game commands====
There are also some other commands borrowed from a {{w|Zork}} like {{w|Text-based game|text-based adventure game}}.
{| class="sortable wikitable"
! Command
! Response
! Explanation
|-
|<code>'''look'''</code>
|(''describes your current surroundings'')
|
|-
|<code>'''go [direction]'''</code>
|(''moves you in the specified direction'')
|Going West repeatedly will list the refrain from the song {{w|Go West (song)|Go West}}.
|-
|<code>'''light lamp'''</code>
|(''lights your lamp'')
|You will be killed by a {{w|Grue (monster)|grue}} if you don't light your lamp when going south.
|-
|<code>'''sleep [seconds]'''</code>
|(''sleeps for the specified time'')
|Without specifying, the nap is 5 seconds.
|}

====Konami code====
[[File:Konami code.png|300px|thumb|The image used as the background after using the Konami code five times.]]The terminal also responds to the {{w|Konami code}} Up, Up, Down, Down, Left, Right, Left, Right, B, A. Entering this code repeatedly will, in order:
# Transform all characters to uppercase
# Add a grey text shadow
# Add an orange text-shadow
# Shake the screen
# Add a background image of [[Richard Stallman]] from [[345: 1337: Part 5]].

==Transcript==
{{incomplete transcript|Describe the initial interface fully.}}
:[The screen is black.]
:[The text is white, monospaced, and in the top left, similar to that of a computer terminal.]
:[The terminal automatically runs the command:]
:display
:[The most recent XKCD comic appears below the current line.]
:[The terminal runs the command:]
:cat welcome.txt
:Terminal: Welcome to the unixkcd console.
:Terminal: To navigate the comics, enter "next", "prev", "first", "last", "display", or "random".
:Terminal: Use "ls", "cat", and "cd" to navigate the filesystem.
:[A blinking text cursor appears on the next line, and you can type in commands to make the terminal do stuff.]

{{comic discussion}}

[[Category:April Fools' Day comics|0800]]
[[Category:Comics featuring Richard Stallman]]
[[Category:Computers]]
[[Category:Dynamic comics]]
[[Category:Interactive comics]]
[[Category:Comics with animation]]
[[Category:No title text]]
[[Category:Comics with inverted brightness]]
[[Category:Programming]]

3160: Document Forgery

2025-10-28T07:13:31Z

2.50.0.22: /* Explanation */

{{comic
| number = 3160
| date = October 27, 2025
| title = Document Forgery
| image = document_forgery_2x.png
| imagesize = 345x323px
| noexpand = true
| titletext = It comes with a certificate of authenticity, which comes with a certificate of authenticity, which comes with a...
}}

==Explanation==

{{incomplete|This page was created by Lorem Ipsum. Don't remove this notice too soon.}}
This comic depicts a diploma for a PhD in Document Forgery. While the diploma looks official at a glance, a closer inspection reveals that the diploma is offered from an exceedingly generic "East State University", when normally an institution with "State" in its name would also specify which "state" the campus is located in. In addition, the likelihood that any real university would offer a PhD level qualification in document forgery is vanishingly small. The obvious conclusion is that the document itself is a forgery.

Upon completion of many awards and educational programs, a physical certificate is presented to the awardee to symbolize their achievement. Creating such a document is generally significantly easier than the underlying accomplishment, and in some cases people will simply buy or create a replica of an official one and take the credit fraudulently. However, the caption claims that if one were able to forge the document shown to a high enough degree that it could be hung in an office without attracting attention, one would have earned it - that is, the creation of such a credible-looking document without drawing any suspicion would show PhD-worthy skills in forgery and thus be deserving of a real diploma. Paradoxically, if someone were able to do this, it would lend some credence to the authenticity of the document.

The title text mentions that the diploma comes with a certificate of authenticity; however, since the authenticity of the diploma is questionable, this certificate is also somewhat questionable. To remedy this, the certificate comes with its own certificate of authenticity, which also comes with a certificate of authenticity, ad infinitum. Of course, all of the certificates would likely be forged, and they really only show that the forger has a lot of time on their hands. Many important and legally binding documents lack any certificate of authenticity, but instead have something stronger, like the backing of a recognized and independent witness or organization that can confirm the truth when the authenticity of the document is in doubt.

==Transcript==
{{incomplete transcript|Don't remove this notice too soon.}}
:[A panel depicts a diploma that has decorations on the corners and sides, but the corners have more. There is a lot of illegible text above, amid, and below the big text.]

:[Two lines of illegible text]
:East State University

:[Two lines of illegible text, a box with illegible text, and another line of illegible text]
:Doctor of Philosophy
:in
:Document Forgery

:[A line of illegible text, with a logo/official seal below it in the center. To the upper left, upper right, lower left, and lower right of the seal are what appear to be signatures, with a line of bold illegible text and a line of small illegible text beneath each signature line.]

:[Caption beneath the panel:]
:If you put one of these up in your office, and no one notices, you've earned it.

{{comic discussion}}<noinclude>

2466: In Your Classroom

2025-10-24T04:47:12Z

2.50.0.22: /* Table of subjects */

{{comic
| number = 2466
| date = May 21, 2021
| title = In Your Classroom
| image = in_your_classroom.png
| titletext = Ontology is way off to the left and geography is way off to the right.
}}

==Explanation==

[[Randall]] has created a thought experiment and corresponding chart about school courses. The idea is, "the subject of the class appears in the classroom" and the chart compares how dangerous and how unusual that would be.

In the title text two points that are off the chart to the left and right are also mentioned. See details about all the subjects in the [[#Table of subjects|table]] below.

Note that Randall uses similar diagrams in each of [[388: Fuck Grapefruit]], [[1242: Scary Names]] and [[1501: Mysteries]], which also contain different items. They also have extra points mentioned in the title text. In the first two comics the points are also off the chart, whereas for the last the description of the point is too long to fit on the chart. Extra info outside the chart is also used in the title text of [[1785: Wifi]], but this is a line graph. Extra info outside a map is also used in the title text of [[United States Map]].

==Table of subjects==
(Clarification: -10 on weirdness means furthest on the "normal" left extent of the horizontal normal-to-weird scale, while -10 badness means at the "good" top end of the good-to-bad vertical range, with respective axes crossing each other at zero. Values are approximate. Written labels avoid overwriting each other, or axes, with no obvious datum points other than the centre of each fragment of text.)
{| class="wikitable sortable"
|+Breakdown of Subjects
|-
!Course Topic
!Weirdness
!Badness
!Explanation
|-

!scope=row|Atmospheric Physics
| -10
| -10
|Absent very strange and unprecedented circumstances, every classroom on Earth has an atmosphere (although going by the exact wording of the starting hypothesis, "The thing you study just showed up in your classroom", the implication is that up until that point, the room in which the class is being held contained a vacuum (which in and of itself is interesting to physics students).
|-

!scope=row|Ethics
| -5
| -10
|Ethical thinking and behavior are widely considered good{{Citation needed}} and should normally be present in education, but are sadly not universal.
|-

!scope=row|Education
| -10
| -8
|Learning usually goes on in classrooms, so education as a concept is both being learned about and present in the form of learning itself.
|-

!scope=row|Bibliography
| -5
| -8.6
|Bibliography is the study of books, and books are normally present in classrooms, particularly bibliography classrooms. Although, more commonly speaking academically, a bibliography is a list of all sources used to compose a research paper, considered mandatory in all branches of academics but occasionally falsified or written in an incorrect style.
|-

!scope=row|Human Physiology
| -10
| -6
|This comic assumes that there are humans learning in the classroom, which was true at the time this comic was published, although in many places at the time the comic was published, many classrooms were closed due to COVID-19 restrictions.
|-

!scope=row|Public Speaking
| -5
| -7
|Some classes require students to present things in front of the class, which is likely a requirement in a public speaking class. Thus, public speaking itself would be present in the class.
Some classes also have a teacher talking or presenting to the students from the front of the class, another form of public speaking.
|-

!scope=row|Architecture
| -10
| -4
|All buildings can be considered architecture, and most classes take place in buildings. This comic also refers to a class''room'', which is a room, and therefore considered architecture.
|-

!scope=row|Library Science
| -5
| -5
|Library science is concerned with the organization of knowledge, and is useful for finding information. Many classes require [https://papersowl.com/pay-for-research-paper research papers] that require the use of books and other sources of information to complete them. This would be even more appropriate for a class actually taught in the school library.
|-

!scope=row|Furniture Design
| -10
| -2
|Most rooms have furniture,{{Citation needed}} so this would probably be present in a classroom. May also be implying the classroom furniture has not been assembled yet, making it not as good and a lesson in furniture design.
|-

!scope=row|Culinary Arts
| -2
| -4
|Most studies of culinary arts include the teacher and/or students preparing food using the tools and/or techniques that have been taught, so it would be fairly normal for food to be a result of classroom activities. How ''good'' it is, however, can be a mixed bag, especially for student cooking attempts.
|-

!scope=row|Ergonomics
| -9
| -1
|Ergonomic equipment and workspaces promote comfort and efficiency, while non-ergonomic ones may be unpleasant, unhealthy, or even immediately dangerous.
|-

!scope=row|Botany
| -2
| -2
|The near-neutral position of botany (aka plant biology) suggests that the most likely reason for plants to be present would be something like a potted plant, which is not uncommon, and usually not unpleasant, but not very noteworthy. There are other potential reasons for plants to be present, but those are generally less likely.
|-

!scope=row|20th Century Authors
|3
| -8
|Literature classes would benefit greatly from an open discussion or interview with the author themself. Sadly such things are rare, but not unheard of, putting it slightly on the "weird" side of the spectrum. Well-known authors of the 20th century have an increased likelihood of being dead by 2021, but there are still some authors of the 20th century who were well-established enough to be studied and still alive at the time this comic was published.
|-

!scope=row|Exobiology
|10
| -10
|Exobiology is the study of extraterrestrial life. This would mean that an alien lifeform was in the classroom. This is extremely weird but very good for people to investigate and research the alien.
|-

!scope=row|21st Century Authors
|2
| -6

|21st century authors have the advantage (over 19th and 20th century authors) of typically being alive and active at the time this comic was published. However, most authors who were primarily active in the 21st century are still developing their body of work, and/or still awaiting the judgment of history. The better availability of such authors, as compared to 20th century author probably explains the slightly lower "weirdness" score, while the limited body of truly prominent authors probably explains the lower "goodness" score.
|-

!scope=row|19th Century Authors
|10
| -7
|No author who was active in the 19th century was alive at the writing of this comic,{{Citation needed}} hence, having one of them show up in class would be extremely weird. The opportunity to interact with such a person would be utterly unique, meaning that it scores pretty high on the "goodness" metric, though interestingly not as high as a 20th century author. Possibly, the potential "badness" of having a zombie or other reanimated being show up in your class is weighed against the advantage of having a historical figure there in person. It may also be that someone from the 19th century has an increased danger of having outdated ethics, which may result in discomfort on the part of the students.
|-

!scope=row|Paleontology
|10
| -5
|Paleontology is the study of the history of life on Earth as based on fossils. In geology classes, it would be normal to have some fossils in the classroom. However, fossils are not usually found in other classrooms, and especially below the college level. Randall is also probably implying the weirdness of finding a live ''Jurassic Park''-style dinosaur.
|-

!scope=row|Robotics
|1
| -4
|A course on robotics would often be expected to have some form of working models of the robots being discussed. However, for it to have "showed up" in your classroom could imply an actual functioning robot prototype walked into the classroom. While not cause for concern (as long as nobody in the class is {{w|Sarah Connor (Terminator)#The Terminator (1984)|named Sarah Connor}}), this would be a bit weird.
|-

!scope=row|Martian Soil Chemistry
|10
| -3
|Martian soil only reaches Earth in small amounts, so it would be unusual to find a meaningful amount anywhere, except Mars.
|-

!scope=row|Tourism
|5
| -2
|Tourists coming into an active classroom would be quite unusual; while tourists sometimes visit university campuses, it would generally be rude for a tour guide to lead them into a classroom when class is in progress. This could also refer to the students leaving to become tourists in another location.
|-

!scope=row|Child Psychology
|2
| -1
|Children are rarely students in classrooms advanced enough to teach child psychology. In order for child psychology to be on display, presumably someone would have to have brought a child (either for a demonstration, or for some other reason), which is slightly weird, but not unheard of. This is considered slightly "good", presumably because it would give students some opportunity for firsthand observation, and because most people like, or at least tolerate, children.
|-

!scope=row|Entomology
| -7
|1
|Entomology is the study of insects. Insects getting into a classroom is a very common event, even putting aside the possibility of someone bringing insects specifically to study. Most insects that might get in are relatively benign, but some (such as mosquitoes) might sting or bite, and many people simply don't like insects, even when they're not harmful, pushing this slightly into "bad" territory.
|-

!scope=row|Occupational Therapy
| -8
|2.4
|Injury, illness or mental health problem that hinder your participation in life/school. Many students who have significant physical injuries and conditions that require occupational therapy would generally not engage in those activities during a class, although volunteers may be brought in as a demonstration of a particular health problem or method of treatment.
|-

!scope=row|Hydraulic Engineering
| -2
|2.4
|Likely in the form of flooding or plumbing problems.
|-

!scope=row|Pest Control
| -5
|4
|This is not dissimilar to entomology, but pest control tends to involve larger infestations, as opposed to individual insects, and also includes non-insect animals, such as rats. Such events in classroom are not as common as individual insects getting in (especially in a well-maintained building), but are far from unheard of, and risk many negative effects, from bug bites to structural damage, and may require evacuation and fumigation to deal with.
|-

!scope=row|Foodborne Illness
| -7
|6
|Sometimes students in a culinary arts class do not properly observe hygiene standards and the food they present would lead to illness in those that consume the food. Thankfully, this is rare if the teacher is paying enough attention to proceedings. Students could also be ill from food eaten outside of class.
|-

!scope=row|Criminal Law
| -1
|7
|This might happen if a crime occurs in the class. While an armed robbery is unlikely, incidents involving theft or drug use are not particularly uncommon. Regardless, such an incident would be very bad.
|-

!scope=row|Physiology of Stress
| -10
|8
|Stress in a classroom, even stress that's bad enough to manifest itself in physical symptoms, is all too common. Stress that bad is very harmful, and a student realizing that they were manifesting the symptoms they're studying should take it as a warning sign.
|-

!scope=row|Oncology
| -5
|10
|Oncology is the medical practice of treating cancer. For someone (probably the professor) in a classroom full of students to have cancer is, unfortunately, not an uncommon event, putting it on the "normal" side of the scale. While not abnormal, it's clearly very bad.
|-

!scope=row|Ornithology
|2
|1
|Ornithology is the study of birds. A bird getting into a classroom would be somewhat strange, but there are circumstances under which it would happen. In most cases, that's not especially dangerous, but it would be disruptive, and introduce the possibility of the bird making a mess, and possibly getting hurt (or even hurting others), which makes it slightly bad.
|-

!scope=row|Animation
|10
|1.2
|Presumably Randall isn't referring to examples of animated works being displayed to the students in an animation class, as that would be normal. Nor is he referring to teachers or students doing animation by creating or filming drawings, stop-motion figures, or computer graphics to make an animated film, which would also be normal. However, it would be very weird for animated characters to appear physically in the classroom instead of being projected on screens. Possibly a reference to movies such as ''Who Framed Roger Rabbit'' in which cartoon characters actively interact with the live action cast. As many of the characters abide by different physics, and a couple are depicted as insane, this would be very weird and potentially bad.
|-

!scope=row|Petroleum Geology
|3
|2
|Crude oil coming up through the floor of the classroom would be ''very'' weird.{{citation needed}} Any potential for hands-on learning experience would be limited, and quickly outweighed by classes being disrupted entirely (be it damage to the building, or oil companies trying to negotiate for the land).
|-

!scope=row|Highway Engineering
|5
|3
|A highway being built through an active classroom would be very unusual and not that safe.
|-

!scope=row|Toxicology
|1
|5
|Most likely, a toxic substance is present in the room. This is not very weird if the room is in a building that has {{w|asbestos}}-containing insulation (phased out during the 1990s, although it has not been specifically outlawed in the United States due to industrial lobbying) or lead paint (which was fully outlawed in the United States in 1978, so any paint that remains must have been applied prior to that date). However, toxic substances are unsafe for humans.{{Citation needed}}
|-

!scope=row|Hematology
|5
|4
|Hematology is the study of blood. Given that there should be blood in each of the students present,{{Citation needed}} we should probably assume Randall means "large quantities of blood outside of one's body ([[:Category:Comics with blood|click here]])", which would indeed be both bad and weird.
|-

!scope=row|Hostage Negotiation
|4
|7
|Reasons as to why there would be hostage negotiations taking place at a school have horrifying implications for the students and teacher. The 'weird'ness rating of this occurence would presumably change depending on location, school shootings and hostage situations being (unfortunately) much more 'normal'ised in the USA than any other country.
|-

!scope=row|History of Siege Warfare
|10
|6
|This would be an exceptionally strange event. Given that the topic is "history", having it show up implies that either historical figures have the classroom under siege (possibly through time travel or reanimation) or at least that the besiegers are using traditional weapons and methods in their attack. In either case, it would be a very weird event, and also very bad.
|-

!scope=row|Trauma Surgery
|1
|9
|An injury severe enough to require trauma surgery would be rare in a classroom, but there are circumstances under which it could realistically happen. Such an injury would be, by its very nature, a very bad thing.
|-

!scope=row|Volcanology
|5
|9
|Having a live volcano in one's classroom is both very dangerous and very weird.{{Citation needed}} Volcanoes mature over very long time frames, but even the earliest stages are highly disruptive and potentially deadly, as seen in the {{w|Parícutin#Formation|1943 eruption of Paricutín}} and the {{w|2018_lower_Puna_eruption#Eruption|2018 flank eruption of Kilauea}}. Note this also applies to [[1611: Baking Soda and Vinegar | baking soda and vinegar volcanoes that are offshoots of much larger vinegar hotspots]].
|-

!scope=row|Quasar Astronomy
|5
|10
|{{w|Quasars}} are distant astronomical objects that release large amounts of energy. Not only would the power of a quasar destroy the classroom (as well as the rest of Earth), quasars are too large to fit inside any known classroom. For example, {{w|ULAS J1342+0928}} has a mass of 8*10^8 solar masses. This means the event horizon of the black hole is almost 16 AU in radius, and this size does not include the accretion disk.
|-

!scope=row|Ontology (title text)
|<-10
|?
|Ontology is the philosophical study of existence and being. Since there must be ''something'' learning in the classroom, it is unsurprising that ontology is a normal subject to appear in the classroom. It would, in fact, be more bizarre to have a lack of ontology in the classroom.
|-

!scope=row|Geography (title text)
|>10
|?
|Geographers study the lands, features, inhabitants, and phenomena of the Earth. While each classroom contains a small portion of the Earth's surface (normally not enough of it to be interesting to geographers), having the ''entire Earth'' appear inside a classroom would likely demand explanation.{{Citation needed}} In particular, if this is an ordinary classroom (i.e. located ''on'' the Earth), the planet's simultaneous appearance within its walls would both defy our current understanding of spacetime, and risk [[1515: Basketball Earth | disastrous consequences at the hands of curious students.]] This could also be implying the classroom is suddenly being located on top of a geographic border, which would be highly unlikely, especially if it happened without warning.

|}

==Transcript==

:[Caption above scatter plot with labeled axes]
:Caption: The thing you study just showed up in your classroom! That's...
:Top: good
:Bottom: bad
:Left: normal
:Right: weird

Items are listed row by row, left to right, top to bottom.

:[First quadrant (good and weird)]
:20th century authors
:Exobiology
:21st century authors
:19th century authors
:Robotics
:Paleontology
:Martian soil chemistry
:Child psychology
:Tourism
:[Second quadrant (good and normal)]
:Atmospheric physics
:Ethics
:Education
:Bibliography
:Human physiology
:Public speaking
:Architecture
:Library science
:Furniture design
:Culinary arts
:Ergonomics
:Botany
:[Third quadrant (bad and normal)]
:Entomology
:Occupational therapy
:Hydraulic engineering
:Pest control
:Foodborne illness
:Criminal law
:Physiology of stress
:Oncology
:[Fourth quadrant (bad and weird)]
:Ornithology
:Animation
:Petroleum geology
:Highway engineering
:Toxicology
:Hematology
:Hostage negotiation
:History of siege warfare
:Trauma surgery
:Volcanology
:Quasar astronomy

{{comic discussion}}

[[Category:Charts]]
[[Category:Rankings]]
[[Category:Food]]
[[Category:Cancer]]
[[Category:Animals]]
[[Category:Geology]]
[[Category:Astronomy]]
[[Category:Volcanoes]]
[[Category:Engineering]]
[[Category:Scatter plots]]

what if? articles

2025-09-30T05:44:24Z

2.50.0.22: grammar. yes, i'm a pedant.

<noinclude>{{DISPLAYTITLE:''What If?'' chapters}}:''For other instances of this title, see [[What If (disambiguation)]].''<noinclude>
{{incomplete|Most of the [[#1-13|books-exclusive questions]] are still too short! They should be a summary of the answer, not just 1-2 sentences. [[#1-13|''(jump to the book-exclusive chapters)'']] ''(For help with the templates, see the '''''[[What If? chapters#Editors|Editors section]]'''''!''}}

</noinclude>This is an index of all articles featured in Randall Munroe's ''what if?'' [[what if? (blog)|blog]] and [[:Category:Books|book series]]. For each article, the original question and a summary of Randall's answer are provided. If an article is available on the blog, you can click the title to read it in full. You can use the columns to sort the table alphabetically, by release date on the blog or YouTube, or by chapter in the books. The thumbnail is only available for articles published on the blog. If the title of a blog article differs from the one in the book, the latter will be provided in the Book column. A much simpler list that doesn't include book-exclusive articles can be found in the [https://what-if.xkcd.com/archive archive section] of the blog.<noinclude>
[[Category:Incomplete explanations| ]]</noinclude>
<div style="clear: both"></div>
{| class="sortable wikitable"
! rowspan="2" scope="col" class="unsortable" | Thumbnail
! rowspan="2" scope="col" data-sort-type=text| Title
! rowspan="2" scope="col" data-sort-type=text| Reader's question
! rowspan="2" scope="col" class="unsortable" | Randall's answer
! colspan="3"| Article available in... <noinclude></noinclude> ''(click to sort)'' <noinclude></noinclude>
|-
! scope="col" data-sort-type=number | Blog
! scope="col" data-sort-type=number | Books
! scope="col" data-sort-type=number | YouTube
|-
|[[File:Relativistic Baseball.png|100px]]
|'''{{What If|1|Relativistic Baseball}}'''
|''"What would happen if you tried to hit a baseball pitched at 90% the speed of light?"''
<div align="right">—Ellen McManis</div>
|The ball would create plasma and reach home plate in about 70 nanoseconds. The result would be some kind of nuclear explosion, destroying everything about a mile from the field. A ruling of "{{w|hit by pitch}}" could be interpreted in this situation.
|{{blog|1|2012|07|10}}
|{{book|1|2}}
|{{book|5|2024|02|06|3EI08o-IGYk|What if you threw a baseball at nearly light speed?}}
|-
|[[File:SAT Guessing.png|100px]]
|'''{{What If|2|SAT Guessing}}'''
|''"What if everyone who took the SAT guessed on every multiple-choice question? How many perfect scores would there be?"''
<div align="right">—Rob Balder</div>
|No one would get a perfect score. The odds of guessing correctly on every question would be less than the odds of every living ex-president at that time and the main cast of [[:Category:Firefly|Firefly]] getting struck by lightning on the same day. To put this as a number, the odds of this happening would be less than 1/10^100 (one googol).
|{{blog|2|2012|07|10|7d early}}
|{{book|1|66}}
|
|-
|[[File:Yoda.png|100px]]
|'''{{What If|3|Yoda}}'''
|''"How much Force power can Yoda output?"''
<div align="right">—Ryan Finnie</div>
|Yoda can output about 19.2 kilowatts, or 25 horsepower. "Yoda power" would cost about $2/hour.
|{{blog|3|2012|07|17}}
|{{book|1|32}}
|
|-
|[[File:A Moles of Moles.png|100px]]
|'''{{What If|4|A Mole of Moles}}'''
|''"What would happen if you were to gather a mole (unit of measurement) of moles (the small furry critter) in one place?"''
<div align="right">—Sean Rice</div>
|In physics, a {{w|mole (unit)|mole}} is a number that equals approximately 6.022 × 10<sup>23</sup>. If this amount of moles (the furry animals) were put in space, they would form a sphere a little bit larger than our Moon with about the same gravity as Pluto. The surface would freeze and trap the interior warmth, causing geysers of hot meat and methane.
|{{blog|4|2012|07|24}}
|{{book|1|10}}
|{{book|29|2025|8|19|lLlwvmu1ZeA|What if you had a mole of moles?}}
|-
|[[File:Robot Apocalypse.png|100px]]
|'''{{What If|5|Robot Apocalypse}}'''
|''"What if there was a robot apocalypse? How long would humanity last?"''
<div align="right">—Rob Lombino</div>
|Humanity would most likely survive. Most robots can easily be subdued because technology hasn’t been developed enough to allow them to walk, evade being destroyed, and kill us efficiently. They could decide to use our nuclear weapons, but that would hurt them more than us.
|{{blog|5|2012|07|31}}
|
|
|-
|[[File:Glass Half Empty.png|100px]]
|'''{{What If|6|Glass Half Empty}}'''
|''"What if a glass of water was, all of a sudden, literally half empty?"''
<div align="right">—Vittorio Iacovella</div>
|If the vacuum were on the bottom half, it would explode, but if it were on the top half, the air rushes in and it becomes normal water.
|{{blog|6|2012|08|07}}
|{{book|1|26}}
|{{book|16|2024|09|24|0EytSWiKrFg|What if a glass of water were LITERALLY half empty?}}
|-
|[[File:Everybody Out.png|100px]]
|'''{{What If|7|Everybody Out}}'''
|''"Is there enough energy to move the entire current human population off-planet?"''
<div align="right">—Adam</div>
|No, at least not without starving to death quickly and leaving our pets, belongings, and everything else behind. The best way to do it is either with a space tether or to ride the shockwave of a nuclear bomb, but the former lacks a good material and the latter is literally ''riding the shockwave of a nuclear bomb''. In any case, highly impractical.
|{{blog|7|2012|08|14}}
|{{book|1|35}}
|
|-
|[[File:Everybody Jump.png|100px]]
|'''{{What If|8|Everybody Jump}}'''
|''"What would happen if everyone on earth stood as close to each other as they could and jumped, everyone landing on the ground at the same instant?"''
<div align="right">—Thomas Bennett (and many others)</div>
|Earth would be unaffected, but almost all humans would probably be wiped out, due to the congestion of everybody being in one place at once. Utilities and everything requiring human oversight would eventually fail because no one was maintaining them. If airports became functional, only the largest would be able to efficiently get everybody home. Only the people at the edges of the giant crowd would be able to escape, with the rest almost certainly dying due to suffocation. The Earth would then be a lawless wasteland, with a severely diminished population trying to restore humanity to its former glory.
|{{blog|8|2012|08|21}}
|{{book|1|9}}
|{{book|9|2024|04|16|p2M8Y0z9Rl0|What if everyone jumped at once?}}
|-
|[[File:Soul Mates.png|100px]]
|'''{{What If|9|Soul Mates}}'''
|''"What if everyone actually had only one soul mate, a random person somewhere in the world?"''
<div align="right">—Benjamin Staffin</div>
|Assuming the soul mate can exist at any time, there is a high chance that you would not find your soul mate. Around 100 billion humans have ever existed, but only 8 billion of those people are alive today. This means that there is an over 90% chance that your soul mate is long dead. This is made worse by the fact that people will also be born in the future, and your soul mate could live very far in the future.

Even if it is assumed that someone's soul mate must be alive while they are alive, there's still a very low chance of finding your soul mate due to the sheer amount of people in the world. Even if you find them, they may speak another language and be unable to understand you.

Jobs would also be affected, with very social jobs such as waiters, cashiers, or traffic guards being highly sought-after.
|{{blog|9|2012|08|28}}
|{{book|1|6}}
|
|-
|[[File:Cassini.png|100px]]
|'''{{What If|10|Cassini}}'''
|''"What would the world be like if the land masses were spread out the same way as now - only rotated by an angle of 90 degrees?"''
<div align="right">—Socke</div>
|Hard to tell with any sort of certainty, but North America remains the same (just flipped, so Canada is tropical), South America becomes more like Europe before this question, Asia is flipped just like North America was, Europe becomes more like southeast Asia, Africa's climate is essentially rotated 90 degrees and East Africa gets a lot more tornadoes, Australia is colder and wetter, and Antarctica becomes a tropical rainforest. Of course, the biosphere collapses due to the shuffling and the ice caps (prematurely) melt, while also making certain wildlife appear elsewhere than normal.
|{{blog|10|2012|09|04}}
|
|{{book|23|2025|04|01|WH4g1ptJ-70|What if the Earth rotated 90 degrees?}}
|-
|[[File:Droppings.png|100px]]
|'''{{What If|11|Droppings}}'''
|''"If you went outside and lay down on your back with your mouth open, how long would you have to wait until a bird pooped in it?"''
<div align="right">—Adrienne Olson</div>
|Assuming an even distribution of all birds across the Earth's surface and a frequency of 1 poop per hour, it would take you about 195 years on average. However, those assumptions are unrealistic: It would probably be closer to a few hours if you were laying under an area where large amounts of birds are common, such as a power line or tree.
|{{blog|11|2012|09|11}}
|
|
|-
|[[File:Raindrop.png|100px]]
|'''{{What If|12|Raindrop}}'''
|''"What if a rainstorm dropped all of its water in a single giant drop?"''
<div align="right">—Michael McNeill</div>
|The surrounding area would be obliterated via the violent rush of crushing water, causing flash flooding in the surrounding area. There would be mass confusion for many following years.
|{{blog|12|2012|09|18}}
|{{book|1|65}}
|
|-
|[[File:Laser Pointer.png|100px]]
|'''{{What If|13|Laser Pointer}}'''
|''"If every person on Earth aimed a laser pointer at the Moon at the same time, would it change color?"''
<div align="right">—Peter Lipowicz</div>
|It would take lots of power, but yes, assuming you want to drain the Earth's oil and cover Asia in megawatt lasers. Going even further in power level fries the Earth and launches the Moon into the solar system.
|{{blog|13|2012|09|25}}
|{{book|1|7}}
|{{book|18|2024|11|05|JqFSGkFPipM|What if everyone pointed a laser at the moon?}}
|-
| rowspan="7" |[[File:Short Answer Section.png|100px]]
| rowspan="7" |'''{{What If|14|Short Answer Section}}'''
|''"How long would the Sun last if a giant water hose were focused upon it?"''
<div align="right">—Austin Dickey</div>
|The Sun would actually burn brighter due to water being mostly hydrogen (main fusion fuel of stars) and eventually become a black hole with all the mass of the water.
| rowspan="7"{{blog|14|2012|10|02}}
| rowspan="7" |
| rowspan="7" |
|-
|''"What if you shined a flashlight (or a laser) into a sphere made of one-way mirror glass?"''
<div align="right">—Chase Montgomery</div>
|One-way glass does not exist. The light shines through just like normal glass.
|-
|''"If Michael Phelps could hold his breath indefinitely, how long would it take for him to reach the lowest point in the ocean and back if he swam straight down and then straight back up?"''
<div align="right">—Jimmy Morey</div>
|Michael Phelps would die somewhere between 100 and 400 meters of depth. If he were immune to pressure, then it would take 3 hours to swim to the bottom of the Marianas Trench and back.
|-
|''"In the first Superman movie, Superman flies around Earth so fast that it begins turning in the opposite direction. This somehow turns back time [... ] How much energy would someone flying around the Earth have to exert in order to reverse the Earth's rotation?"''
<div align="right">—Aidan Blake</div>
|Superman wasn't pushing the Earth. He was flying {{w|Superluminal motion|superluminally}} and was thus travelling back through time.
|-
|''"How fast would you have to go in your car to run a red light claiming that it appeared green to you due to the Doppler Effect?"''
<div align="right">—Yitzi Turniansky</div>
|The {{w|Doppler Effect}} is when waves (such as light or sound) change based on movement or position. You would need to go about one sixth of the {{w|speed of light}}.
|-
|''"What would happen if you opened a portal between Boston (sea level) and Mexico City (elev. 8000+ feet)?"''
<div align="right">—Jake G.</div>
|There would be winds of 440 mph (708 km/h) sucking Boston into Mexico City.
|-
|''"When my wife and I started dating she invited me over for dinner at one time. Her kitchen had something called Bauhaus chairs, which are full of holes, approx 5-6 millimeters in diameter in both back and seat. During this lovely dinner I was forced to liberate a small portion of wind and was relieved that I managed to do so very discretely. Only to find that the chair I sat on converted the successful silence into a perfect, and loud, flute note. We were both (luckily) amazed and surprised and I have often wondered what the odds are for something like that happening. We kept the chairs for five years but despite laborious attempts it couldn't be reproduced."''
<div align="right">—R. D.</div>
|This... isn’t actually a question, but thank you for sharing!
|-
|[[File:Mariana Trench Explosion.png|100px]]
|'''{{What If|15|Mariana Trench Explosion}}'''
|''"What if you exploded a nuclear bomb (say, the Tsar Bomba) at the bottom of the Marianas Trench?"''
<div align="right">—Evin Sellin</div>
|Surprisingly, not much! Large waves already disappear quickly when created by surface explosions, and moving the detonation underwater only lessens the effect. If you exploded a Tsar Bomba at the bottom of the Mariana Trench, the resulting eruption would create massive bubbles before turning into warm water and debris.
|{{blog|15|2012|10|09}}
|
|
|-
| rowspan="6" |[[File:Today's topic- Lightning.png|100px]]
| rowspan="6" |'''{{What If|16|Today's topic: Lightning}}'''
|''"How dangerous is it to be in a pool during a thunderstorm?"''
<div align="right">—Jay Gengelbach</div>
|Pretty dangerous, as if the pool was hit, 20,000 amps of electricity from the lightning bolt would spread across the surface and shock you. Randall recommends that one should stay at least 12 meters away from a pool during a thunderstorm.
| rowspan="6"{{blog|16|2012|10|16}}
| rowspan="6"{{book|1|19|Lightning}}
| rowspan="6" |
|-
|''"What would happen if you were taking a shower or standing under a waterfall when you were struck by lightning?"''
<div align="right">—Same3Chords</div>
|The droplets of water wouldn’t be dangerous, but a tub of water or any puddle you stand in ''will'' be dangerous.
|-
|''"What would happen if you were in a boat, plane or a submarine that got hit by lightning?"''
<div align="right">—Soobnauce</div>
|A boat would be as safe as a car if it had a cabin and lightning protection, while a submarine would be completely safe. The plane was not mentioned.
|-
|''"What if you were changing the light at the top of a radio tower and lightning struck? Or what if you were doing a backflip? Or standing in a graphite field? Or looking straight up at the bolt?"''
<div align="right">—Danny Wedul</div>
|You would get shocked normally if you were on a radio tower, doing a backflip, or looking straight up. These all don’t matter much. Randall doesn’t know what a graphite field is and chose not to answer that part of the question.
|-
|''"What would happen if lightning struck a bullet in midair?"''
<div align="right">—Timothy Campbell</div>
|The bullet might be heated a little bit, but it’s travelling too fast to have any impact.
|-
|''"What if you were flashing your BIOS during a thunderstorm and you got hit by lightning?"''
<div align="right">—NJSG</div>
|It would bring you to “Microsoft BOB®”, “Gateway 2000 Edition”.
|-
|[[File:Green Cows.png|100px]]
|'''{{What If|17|Green Cows}}'''
|''"If cows could photosynthesize, how much less food would they need?"''
<div align="right">—Anonymous</div>
|They would need 4% less food. There simply isn't enough area on the cow for photosynthesis to provide all its energy requirements.
|{{blog|17|2012|10|23}}
|
|
|-
|[[File:BB Gun.png|100px]]
|'''{{What If|18|BB Gun}}'''
|''"In Armageddon, a NASA guy comments that a plan to shoot a laser at the asteroid is like “shooting a b.b. gun at a freight train.” What would it take to stop an out-of-control freight train using only b.b. guns?"''
<div align="right">—Charles James O'Keefe</div>
|This would normally be impossible. However, with enough people shooting the train, it can happen. This would require about 100,000 people shooting, distributed over 2 kilometers of track, each firing a few dozen rounds once the train comes close enough. This would, eventually, be enough to bring the train to a stop.
|{{blog|18|2012|10|30}}
|
|
|-
|[[File:Tie Vote.png|100px]]
|'''{{What If|19|Tie Vote}}'''
|''"What if there's LITERALLY a tie?"''
<div align="right">—Nate Silver (<span class="plainlinks">[https://twitter.com/fivethirtyeight/status/154434288287363072 '''Twitter, January 4th, 2012''']</span>)</div>
|In the case of each candidate getting the exact same amount of votes on Election Day, most states would randomly pick one, whether it be through tossing a coin, drawing a name or straws. The chances of this happening in 9 battleground states would be about equal to the elector drawing a name from a hat, then being smashed by a bale of cocaine by drug smugglers and obliterated by a meteorite impact while being swept away in a tornado.
|{{blog|19|2012|11|06}}
|
|
|-
|[[File:Diamond.png|100px]]
|'''{{What If|20|Diamond}}'''
|''"If a meteor made out of diamond and 100 feet in diameter was traveling at the speed of light and hit the earth, what would happen to it?"''
<div align="right">—Aidan Smith, Age 8, via his father Jeff</div>
|Nothing made of matter can travel at the speed of light, but at the closest speed observed (99.99999999999999999999951% of the speed of light, the speed of the {{w|Oh-My-God particle}}), the Earth would explode with enough force to obliterate the entire Solar System.
|{{blog|20|2012|11|13}}
|
|
|-
|[[File:Machine Gun Jetpack.png|100px]]
|'''{{What If|21|Machine Gun Jetpack}}'''
|''"Is it possible to build a jetpack using downward firing machine guns?"''
<div align="right">—Rob B</div>
|You'd need a Russian 30 mm rotary cannon to do it optimally, and the excessive force would definitely hurt you. If you braced the rider, created an aerodynamic craft strong enough to survive the acceleration, and cooled the craft, you'd be able to jump mountains.
|{{blog|21|2012|11|20}}
|{{book|1|14|Machine-Gun Jetpack}}
|
|-
|[[File:Cost of Pennies.png|100px]]
|'''{{What If|22|Cost of Pennies}}'''
|''"If you carry a penny in your coin tray, how long would it take for that penny to cost you more than a cent in extra gas?"''
<div align="right">—Leto Atreides</div>
|140,000 miles if gas was the only cost involved. The exercise of picking up the penny can prolong your lifespan, but you've wasted valuable seconds reading this article.
|{{blog|22|2012|11|27}}
|
|
|-
| rowspan="7" |[[File:Short Answer Section II.png|100px]]
| rowspan="7" |'''{{What If|23|Short Answer Section II}}'''
|''"If my printer could literally print out money, would it have that big an effect on the world?"''
<div align="right">—Derek O’Brien</div>
| Using the printer, you could make about 200 million dollars per year, depending on the type of printer. This would actually be the perfect sweet spot for you, as it would be enough to make you very, very rich, but not enough to have any effect on the world. The United States [https://www.bep.gov/currency/production-figures/annual-production-reports prints approximately $160 billion per year], so $200 million a year would be nothing more than a drop in the bucket.
| rowspan="7"{{blog|23|2012|12|04}}
| rowspan="7"{{book|1|18|Short-Answer Section}}
| rowspan="7" |
|-
|''"What would happen if you exploded a nuclear bomb in the eye of a hurricane? Would the storm cell be immediately vaporized?"''
<div align="right">—Rupert Bainbridge (and hundreds of others)</div>
|No. The National Oceanic and Atmospheric Administration has [https://www.aoml.noaa.gov/hrd-faq/#hurricane-mitigation:~:text=Stop%20a%20Hurricane%3F-,Nuclear%20Weapons,-Adding%20Hygroscopic%20Particles published a response] explaining why it wouldn't work.
|-
|''"If everyone put little turbine generators on the downspouts of their houses and businesses, how much power would we generate? Would we ever generate enough power to offset the cost of the generators?"''
<div align="right">—Damien</div>
|If it's very rainy, it would generate 800 watts of power, which isn't enough to offset the cost of the generators.
|-
|''"Using only pronounceable letter combinations, how long would names have to be to give each star in the universe a unique one word name?"''
<div align="right">—Seamus Johnson</div>
|About 24 characters.
|-
|''"I bike to class sometimes. It's annoying biking in the wintertime, because it's so cold. How fast would I have to bike for my skin to warm up the way a spacecraft heats up during reentry?"''
<div align="right">—David Nai</div>
|You'd have to bike at about 200 m/s, which would make your commute very fast indeed. However, the amount of energy required to bike at that speed would cause you to die from overexertion. This might work if you didn't exert any energy, however.
|-
|''"How much physical space does the internet take up?"''
<div align="right">—Max L</div>
|Using humanity's total produced storage space from the last few years as an upper bound, and assuming 3.5" drives, the Internet is less than the size of an oil tank.
|-
|''"What if you strapped C4 to a boomerang? Could this be an effective weapon, or would it be as stupid as it sounds?"''
<div align="right">—Chad Macziewski</div>
|Strapping C4 to a boomerang does not sound like an effective weapon. The weapon as depicted in the image would have terrible aerodynamics, and would not fly an easily predictable trajectory. C4 is, by itself, an inert substance which would need some form of detonator to actually explode, in which case it would depend upon how you set it up (e.g. timer or inertial trigger) and at what point in its flight this would activate. ''If'' this happened as it returns (or flies past, if thrown reasonably correctly but being unable or unwilling to catch it), it might kill or injure the thrower and/or those nearby. There were many unstated details as to how the proposal would be implemented, as Randall lampshades in his open answer.
|-
|[[File:Model Rockets.png|100px]]
|'''{{What If|24|Model Rockets}}'''
|''"How many model rocket engines would it take to launch a real rocket into space?"''
<div align="right">—Greg Schock, PA</div>
|It would take about 65,000, but they’d have to be layered in a cone shape with about 30 stages so the vehicle has thrust for long enough. It could carry 60 kg, much of that spent on all the parts of the rocket that aren't the engine. And this contraption would not attain orbital velocity, but rapidly fall back to Earth after briefly leaving the atmosphere. Accelerating to orbital velocity is a whole other class of problem and cannot be achieved using model rocket engines in any practical way.
|{{blog|24|2012|12|11}}
|
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|-
|[[File:Three Wise Men.png|100px]]
|'''{{What If|25|Three Wise Men}}'''
|''"The story of the three wise men got me wondering: What if you did walk towards a star at a fixed speed? What path would you trace on the Earth? Does it converge to a fixed cycle?"''
<div align="right">—N. Murdoch</div>
|No, but the paths they would take would make some really cool patterns due to various factors, such as the Earth's rotation and its position changing in its orbit around the Sun.
|{{blog|25|2012|12|18}}
|
|{{book|22|2025|03|04|YL2VNtus4xk|What if the wise men kept walking after Jesus’s birth?}}
|-
|[[File:Leap Seconds.png|100px]]
|'''{{What If|26|Leap Seconds}}'''
|''"Every now and then we have to insert a leap second because the Earth’s rotation is slowing down. Could we speed up Earth’s rotation, so that we do not need Leap Seconds?"''
<div align="right">—Anton (Berlin, Germany)</div>
|The only real way to do this is by hitting Earth with asteroids; all other ideas would be too difficult or wouldn’t work. With 50,000 planets B-612 hitting the Earth each second and a few assumptions, we could stop worrying about leap seconds (mostly because it would deliver the energy of about one dinosaur-killer asteroid every couple days, wiping out life on Earth quite quickly)
|{{blog|26|2012|12|31|6d late}}
|
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|-
|[[File:Death Rates.png|100px]]
|'''{{What If|27|Death Rates}}'''
|''"If one randomly chosen extra person were to die each second somewhere on Earth, what impact would it have on the world population?"''
<div align="right">—Guy Petzall</div>
|The world population would continue to grow, though 40% more slowly. Pilots, drivers, and surgeons would die en route and mid-operation, but these would be comparable to usual accident rates and handled fairly easily.
|{{blog|27|2013|01|08|1d late}}
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|-
|[[File:Steak Drop.png|100px]]
|'''{{What If|28|Steak Drop}}'''
|''"From what height would you need to drop a steak for it to be cooked when it hit the ground?"''
<div align="right">—Alex Lahey</div>
|From the very edge of the atmosphere, but even in that case it might not be fully cooked, as the steak will have to pass through parts of the atmosphere that are freezing cold and the parts of the fall where heat is being applied are more likely to char and disintegrate the steak than cook it.
|{{blog|28|2013|01|15}}
|{{book|1|23}}
|
|-
|[[File:Spent Fuel Pool.png|100px]]
|'''{{What If|29|Spent Fuel Pool}}'''
|''"What if I took a swim in a typical spent nuclear fuel pool? Would I need to dive to actually experience a fatal amount of radiation? How long could I stay safely at the surface?"''
<div align="right">—Jonathan Bastien-Filiatrault</div>
|As long as you don't touch strange things and you don't swim too close to the fuel rods, it would be just like a regular pool. Except for the fact you would never make it to the pool, as the guards would notice and shoot you to death.
|{{blog|29|2013|01|22}}
|{{book|1|3}}
|{{book|8|2024|04|02|EFRUL7vKdU8|What if you swam in a nuclear storage pool?}}
|-
|[[File:Interplanetary Cessna.png|100px]]
|'''{{What If|30|Interplanetary Cessna}}'''
|''"What would happen if you tried to fly a normal Earth airplane above different Solar System bodies?"''
<div align="right">—Glen Chiacchieri</div>
|It would be difficult to fly on Mars, so you would crash. The gas giants also have this problem, and you would freeze and tumble. Titan and Venus are the best bets, but Titan is cold and Venus is full of sulfuric acid.
|{{blog|30|2013|01|29}}
|{{book|1|30}}
|
|-
|[[File:FedEx Bandwidth.png|100px]]
|'''{{What If|31|FedEx Bandwidth}}'''
|''"When - if ever - will the bandwidth of the Internet surpass that of FedEx?"''
<div align="right">—Johan Öbrink</div>
|Probably never, unless the Internet's transfer rate grows faster than storage rates, the Internet won't surpass an army of FedEx trucks. However, the ping times would be ''absurd''.
|{{blog|31|2013|02|05}}
|{{book|1|44}}
|
|-
|[[File:Hubble.png|100px]]
|'''{{What If|32|Hubble}}'''
|''"If the Hubble telescope were aimed at the Earth, how detailed would the images be?"''
<div align="right">—Kyle Rankin</div>
|Very blurry because Hubble isn't able to rotate fast enough to track it on the surface of the Earth. Hubble is the wrong tool for the job, you're thinking of a spy satellite.
|{{blog|32|2013|02|12}}
|
|{{book|1|2023|11|29|2LSyizrk8-0|What if we aimed the Hubble Telescope at Earth?}}
|-
|[[File:Ships.png|100px]]
|'''{{What If|33|Ships}}'''
|''"How much would the sea level fall if every ship were removed all at once from the Earth's waters?"''
<div align="right">—Michael Toje</div>
|The sea level would fall by about 6 microns, slightly more than the diameter of a strand of spider silk. However, since the oceans are currently rising at about 3.3 millimeters per year due to global warming, the water would be back up to its original average level in 16 hours.
|{{blog|33|2013|02|19}}
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|[[File:what if? Twitter.png|100px]]
|'''{{What If|34|Twitter}}'''
|''"How many unique English tweets are possible? How long would it take for the population of the world to read them all out loud?"''
<div align="right">—Eric H., Hopatcong, NJ</div>
|Since there are 2 * 10<sup>46</sup> meaningful English tweets, reading them all would take 10,000 "eternal years", with an eternal day being the length of time needed to wear down a mountain if a bird scraped 1 grain every thousand years.
|{{blog|34|2013|02|26}}
|{{book|1|50}}
|
|-
|[[File:Hair Dryer.png|100px]]
|'''{{What If|35|Hair Dryer}}'''
|''"What would happen if a hair dryer with continuous power was turned on and put in an airtight 1x1x1 meter box?"''
<div align="right">—Nathan Terrell</div>
|The box would heat until the ground starts melting, and going further, it would eventually create updrafts and bounce around everywhere. Turning it off and on again would launch it out of the sky in glowing fury.
|{{blog|35|2013|03|05}}
|{{book|1|11}}
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|-
|[[File:Cornstarch.png|100px]]
|'''{{What If|36|Cornstarch}}'''
|''"How much cornstarch can I rinse down the drain before unpleasant things start to happen?"''
<div align="right">—Anna R., Fort Wayne, IN</div>
|It depends what you consider unpleasant. Your sink will clog and your house will flood with oobleck, but if you really really like cornstarch then nothing unpleasant will happen.
|{{blog|36|2013|03|12}}
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|[[File:Supersonic Stereo.png|100px]]
|'''{{What If|37|Supersonic Stereo}}'''
|''"What if you somehow managed to make a stereo travel at twice the speed of sound, would it sound backwards to someone who was just casually sitting somewhere as it flies by?"''
<div align="right">—Tim Currie</div>
|Assuming the stereo is indestructible, yes. Although you’d only get it supersonic for less than a second, and the music would be heavily compressed after the sonic boom.
|{{blog|37|2013|03|19}}
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|-
|[[File:what if? Voyager.png|100px]]
|'''{{What If|38|Voyager}}'''
|''"With today's technology, would it be possible to launch an unmanned mission to retrieve Voyager I?"''
<div align="right">—Elliot Bennett</div>
|You could ''reach'' Voyager I with some well-timed gravity assists from Jupiter and Saturn, but getting back would require an ''absurd'' amount of fuel. You could use ion fields to require less fuel, but they also produce less thrust.
|{{blog|38|2013|03|26}}
|
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|-
|[[File:Hockey Puck.png|100px]]
|'''{{What If|39|Hockey Puck}}'''
|''"How hard would a puck have to be shot to be able to knock the goalie himself backwards into the net?"''
<div align="right">—Tom</div>
|This can't really happen, due to the size and weight difference between the goalie and a hockey puck. You'd need to fire an object at Mach 8 to knock the goalie back, but firing a puck at that speed would char the puck while air resistance would slow it down. If you actually did fire a hockey puck at a goalie at high speeds, it would have the same effect as hitting a cake with a tomato as hard as you can.
|{{blog|39|2013|04|02}}
|{{book|1|24}}
|
|-
|[[File:Pressure Cooker.png|100px]]
|'''{{What If|40|Pressure Cooker}}'''
|''"Am I right to be afraid of pressure cookers? What's the worst thing that can happen if you misuse a pressure cooker in an ordinary kitchen?"''
<div align="right">—Delphine Lourtau</div>
|Ordinarily, the worst that can happen is the lid blowing off and superheated liquid spraying everywhere, but you can use one to make {{w|Dioxygen difluoride}}, which is much worse.
|{{blog|40|2013|04|9}}
|
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|-
|[[File:Go West.png|100px]]
|'''{{What If|41|Go West}}'''
|''"If everybody in the US drove west, could we temporarily halt continental drift?"''
<div align="right">—Derek</div>
|No. While technically the car fleet would outpace the continental drift, the continental drift is being powered by the forces in the Earth's mantle, and these forces outmatch the car fleet by millions of times.
|{{blog|41|2013|04|16}}
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|[[File:Longest Sunset.png|100px]]
|'''{{What If|42|Longest Sunset}}'''
|''"What is the longest possible sunset you can experience while driving, assuming we are obeying the speed limit and driving on paved roads?"''
<div align="right">—Michael Berg</div>
|The longest way you can experience a sunset is by driving on certain roads in Norway and Finland for 95 minutes, as this is where the best method to outpace the Sun works (outpacing {{w|Terminator (solar)|the terminator}}). A similar concept has been explored in comic [[162: Angular Momentum]].
|{{blog|42|201304|23}}
|{{book|1|52}}
|
|-
|[[File:Train Loop.png|100px]]
|'''{{What If|43|Train Loop}}'''
|''"Could a high-speed train run through a vertical loop, like a rollercoaster, with the passengers staying comfortable?"''
<div align="right">—Gero Walter</div>
|Even if we change the requirements to just the passengers surviving, this isn't plausible. A train can't complete a full loop without the loop being too small, making the train move too fast and making every passenger die from the g-forces involved.
|{{blog|43|2013|04|30}}
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|-
|[[File:High Throw.png|100px]]
|'''{{What If|44|High Throw}}'''
|''"How high can a human throw something?"''
<div align="right">—Irish Dave on the Isle of Man</div>
|Using estimations and aerodynamics calculations, Aroldis Champman (holder of the record for fastest pitch) could probably throw up to 16 giraffes high if he was using a golf ball. Unless you count letting go of balloons, of course.
|{{blog|44|2013|05|07}}
|{{book|1|38}}
|
|-
|[[File:ISS Music Video.png|100px]]
|'''{{What If|45|ISS Music Video}}'''
|''"Is [https://www.youtube.com/watch?v=KaOC9danxNo '''this'''] the most expensive music video ever?"''
<div align="right">—Various Youtube commenters</div>
|No. If the construction cost of the setpiece is how this is measured, then it would be U2's "Last Night on Earth" on a section of Interstate Highway. If not, then it doesn't even come close to Thriller.
|{{blog|45|2013|05|14}}
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|[[File:Bowling Ball.png|100px]]
|'''{{What If|46|Bowling Ball}}'''
|''"I've been told that if the Earth were shrunk down to the size of a bowling ball, it would be smoother than said bowling ball. My question is, what would a bowling ball look like if it were blown up to the size of the Earth?"''
<div align="right">—Seth C.</div>
|A bowling ball the size of the Earth would be much less dense, and have much less gravity. Due to this, the finger holes would collapse. causing eruptions of hydrocarbons and scars similar to those on the Moon.
|{{blog|46|2013|05|21}}
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|[[File:Alien Astronomers.png|100px]]
|'''{{What If|47|Alien Astronomers}}'''
|''"Let's assume there's life on the the nearest habitable exoplanet and that they have technology comparable to ours. If they looked at our star right now, what would they see?"''
<div align="right">—Chuck H.</div>
|They wouldn't be able to see us very well. Radio waves fade quickly in space and we've stopped sending out as many of them. If they happened to pick up, they would only get a message similar to the [https://en.wikipedia.org/wiki/Wow!_signal Wow! Signal]. The best message they could see is visible light, as the water and weather on Earth's surface would be a telltale marker of some form of life.
|{{blog|47|2013|05|28}}
|{{book|1|28}}
|
|-
|[[File:Sunset on the British Empire.png|100px]]
|'''{{What If|48|Sunset on the British Empire}}'''
|''"When (if ever) did the Sun finally set on the British Empire?"''
<div align="right">—Kurt Amundson</div>
|If the British Empire kept the borders it had when the question was written, it would continue to experience eternal sunshine for many thousands of years until a total eclipse hits the Pitcairn Islands at the right time. However, after the publication of this article, it has been announced that [https://www.mondayeconomist.com/p/british-empire#:~:text=On%20March%2021st%2C%202025%2C%20a,part%20of%20the%20British%20Empire the British Indian Ocean Territory will become part of Mauritus] in March 2025, allowing the Sun to finally set on the British Empire.
|{{blog|48|2013|06|04}}
|{{book|1|60}}
|
|-
|[[File:Sunless Earth.png|100px]]
|'''{{What If|49|Sunless Earth}}'''
|''"What would happen to the Earth if the Sun suddenly switched off?"''
<div align="right">—Many, many readers</div>
|We would see a variety of benefits across our lives such as the elimination of time zones, more reliable satellites, easier astronomy, and safer wild parsnip, but the downside is we would all freeze and die.
|{{blog|49|2013|06|11}}
|{{book|1|57}}
|{{book|24|2025|04|15|X7sbn9LMZOg| What if the sun suddenly went out?}}
|-
|[[File:Extreme Boating.png|100px]]
|'''{{What If|50|Extreme Boating}}'''
|''"What would it be like to navigate a rowboat through a lake of mercury? What about bromine? Liquid gallium? Liquid tungsten? Liquid nitrogen? Liquid helium?"''
<div align="right">—Nicholas Aron</div>
|It would be difficult to row the boat on mercury because it's very dense. Bromine smells terrible and is highly toxic. Gallium would dissolve an aluminium boat. Liquid tungsten would incinerate you instantly. Liquid nitrogen would kill you either by suffocation or hypothermia. Liquid helium's superfluid properties would sink your boat, but at least you'd hear the “third sound” as you die.
|{{blog|50|2013|06|18}}
|
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|-
|[[File:Free Fall.png|100px]]
|'''{{What If|51|Free Fall}}'''
|''"What place on Earth would allow you to freefall the longest by jumping off it? What about using a squirrel suit?"''
<div align="right">—Dhash Shrivathsa</div>
|It takes 26 seconds to fall from the top of {{w|Mount Thor}} into a pit of cotton candy at the bottom of the cliff. The record for the longest wingsuit glide is enough time for Joey Chestnut and Takeru Kobayashi to eat 45 hot dogs.
|{{blog|51|2013|06|25}}
|{{book|1|45}}
|
|-
|[[File:Bouncy Balls.png|100px]]
|'''{{What If|52|Bouncy Balls}}'''
|''"What if one were to drop 3,000 bouncy balls from a seven story parking structure onto a person walking on the sidewalk below? Should the person survive, what would be the number of bouncy balls needed to kill them? What injuries would occur and what would the associated crimes be?"''
<div align="right">—Ginger Bread</div>
|Around 3,000,000 balls. Death would occur and you would be charged with manslaughter or murder.
|{{blog|52|2013|07|02}}
|
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|-
|[[File:Drain the Oceans.png|100px]]
|'''{{What If|53|Drain the Oceans}}'''
|''"How quickly would the ocean's drain if a circular portal 10 meters in radius leading into space was created at the bottom of Challenger Deep, the deepest spot in the ocean? How would the Earth change as the water is being drained?"''
<div align="right">—Ted M.</div>
|Hundreds of thousands of years, so you'll need a bigger portal. As their basins are cut off, many shallow seas and a few deep trenches remain, leaving much of Earth still covered with water. Massive, unpredictable environmental changes would probably wipe out mankind. If they didn't, the Dutch would take over the world, no longer preoccupied with preventing their lands from flooding as they are now.
|{{blog|53|2013|07|09}}
|{{book|1|48}}
|{{book|12|2024|06|18|Jpy55EgMQgY|What if you drained the oceans?}}
|-
|[[File:Drain the Oceans Part II.png|100px]]
|'''{{What If|54|Drain the Oceans: Part II}}'''
|''"Supposing you did '''{{what if|53|Drain the Oceans}}''', and dumped the water on top of the Curiosity rover, how would Mars change as the water accumulated?"''
<div align="right">—Iain</div>
|The water would fill the {{w|Valles Marineris}}, eventually leaving only {{w|Olympus Mons}} and some other small islands. The sea would ultimately freeze over, become covered in dust, and migrate to permafrost at the poles. In the meantime, the Netherlands would colonize Mars through the portal. The video additionally mentions that the greenhouse gas effects caused by all the new water might keep Mars's oceans liquid.
|{{blog|54|2013|07|16}}
|{{book|1|49}}
|{{book|14|2024|08|13|FkUNHhVbQ1Q|What if we teleported the oceans to Mars?}}
|-
|[[File:Random Sneeze Call.png|100px]]
|'''{{What If|55|Random Sneeze Call}}'''
|''"If you call a random phone number and say "God bless you", what are the chances that the person who answers just sneezed? On average, not just in spring or fall."''
<div align="right">—Mimi</div>
|The chances they just sneezed are 1 in 40000. There's also a 1 in a billion chance that the person you called just murdered someone, a 1 in 10 trillion chance they've just been killed by lightning, and another 1 in 10 trillion chance that you and the other person called each other simultaneously.
|{{blog|55|2013|07|23}}
|{{book|1|53}}
|
|-
|[[File:Restraining an Airplane.png|100px]]
|'''{{What If|56|Restraining an Airplane}}'''
|''"If you wanted to anchor an airplane into the ground so it wouldn't be able to take off, what would the rope have to be made out of?"''
<div align="right">—Connor Childerhose</div>
|A steel cable an inch thick, the lines of an army of fishermen, or the hair of 20 people. Hair has the highest tensile strength of any material in your body.
|{{blog|56|2013|07|30}}
|
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|-
|[[File:Dropping a Mountain.png|100px]]
|'''{{What If|57|Dropping a Mountain}}'''
|''"What if a huge mountain—Denali, say—had the bottom inch of its base disappear? What would happen from the impact of the mountain falling 1 inch? What about 1 foot? What if the mountain's base were raised to the present height of the summit, and then the whole thing were allowed to drop to the earth?"''
<div align="right">—John-Clark Levin</div>
|An inch or a foot wouldn't do much, it would only feel like a 3.5 magnitude earthquake. Dropped from its own height, Denali would cause a magnitude 7 earthquake and crush coal to diamonds. Dropped from space, that's just a large asteroid and it would cause an impact winter.
|{{blog|57|2013|08|06}}
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|-
| rowspan="3" |[[File:Orbital Speed.png|100px]]
| rowspan="3" |'''{{What If|58|Orbital Speed}}'''
|''"What if a spacecraft slowed down on re-entry to just a few miles per hour using rocket boosters like the Mars-sky-crane? Would it negate the need for a heat shield?"''
<div align="right">—Brian</div>
| rowspan="3" |No, because you need to go 8 km/s to stay in orbit, and it would take impossible amounts of fuel to slow down.
| rowspan="3"{{blog|58|2013|08|12|1d early}}
| rowspan="3"{{book|1|43}}
| rowspan="3" |
|-
|''"Is it possible for a spacecraft to control its reentry in such a way that it avoids the atmospheric compression and thus would not require the expensive (and relatively fragile) heat shield on the outside?"''
<div align="right">—Christopher Mallow</div>
|-
|''"Could a (small) rocket (with payload) be lifted to a high point in the atmosphere where it would only need a small rocket to get to escape velocity?"''
<div align="right">—Kenny Van de Maele</div>
|-
|[[File:Updating a Printed Wikipedia.png|100px]]
|'''{{What If|59|Updating a Printed Wikipedia}}'''
|''"If you had a printed version of the whole of (say, the English) Wikipedia, how many printers would you need in order to keep up with the changes made to the live version?"''
<div align="right">—Susanne Könings</div>
|You'd need six printers, but if using an ink printer, costs would rack up to $500,000 a month, dwarfing paper and maintenance costs. You'd need to file away past versions in case they were reverted (restored), which would be a nightmare.
|{{blog|59|2013|08|20|1d late}}
|{{book|1|58}}
|{{book|13|2024|7|9|RgBYohJ7mIk|What if you tried to print Wikipedia?}}
|-
|[[File:Signs of Life.png|100px]]
|'''{{What If|60|Signs of Life}}'''
|''"If you could teleport to a random place of the surface of the Earth, what are the odds that you'll see signs of intelligent life?"''
<div align="right">—Borislav Stanimirov</div>
|70% of the time you would end up in the ocean, while most of the rest will be somewhere uninhabited. But if it’s night, you can see satellites just by looking up.
|{{blog|60|2013|08|27}}
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|-
|[[File:Speed Bump.png|100px]]
|'''{{What If|61|Speed Bump}}'''
|''"How fast can you hit a speed bump while driving and live?"''
<div align="right">—Myrlin Barber</div>
|At highway speeds, you could wreck your tires and suspension. Around 150-300 mph, the aerodynamics of a typical sedan will cause it to flip and crash before even reaching the speed bump. At 90% the speed of light, you could face a billion-dollar speeding ticket.
|{{blog|61|2013|09|03}}
|{{book|1|41}}
|
|-
|[[File:Falling With Helium.png|100px]]
|'''{{What If|62|Falling With Helium}}'''
|''"What if I jumped out of an airplane with a couple of tanks of helium and one huge, un-inflated balloon? Then, while falling, I release the helium and fill the balloon. How long of a fall would I need in order for the balloon to slow me enough that I could land safely?"''
<div align="right">—Colin Rowe</div>
|You would need a balloon at least 10 to 20 meters across to slow your fall, as well as needing 10 helium tanks that are 250 cubic feet. You'd have to do it really quickly though, and starting from a higher place will not help due to the atmosphere's thinness making you accelerate.
|{{blog|62|2013|09|10}}
|{{book|1|34}}
|
|-
|[[File:Google's Datacenters on Punch Cards.png|100px]]
|'''{{What If|63|Google's Datacenters on Punch Cards}}'''
|''"If all digital data were stored on punch cards, how big would Google's data warehouse be?"''
<div align="right">—James Zetlin</div>
|Using electric consumption and datacenter spending as a measuring stick, Google probably has around 1-2 million servers, which equates to around 15 exabytes (or 15,000,000,000,000,000,000 bytes). Assuming a punch card holds 80 characters, all of that data comes out to 4.5 kilometers/2.8 miles, 3x deeper than the New England ice sheets.
|{{blog|63|2013|09|17}}
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|-
|[[File:Rising Steadily.png|100px]]
|'''{{What If|64|Rising Steadily}}'''
|''"If you suddenly began rising steadily at one foot per second, how exactly would you die? Would you freeze or suffocate first? Or something else?"''
<div align="right">—Rebecca B</div>
|A nudist would survive for five hours, then succumb to the cold. With a good coat, one would survive for seven, even plausibly eight, until reaching the low-oxygen {{w|death zone}} and suffocating. However, your corpse would outlast the Earth as it was swallowed by the Sun.
|{{blog|64|2013|09|24}}
|{{book|1|15}}
|
|-
|[[File:Twitter Timeline Height.png|100px]]
|'''{{What If|65|Twitter Timeline Height}}'''
|''"If our Twitter timelines (tweets by the people we follow) actually extended off the screen in both directions, how tall would they be?"''
<div align="right">—Anonymous</div>
|It's difficult to pin down an "average" for Twitter timeline lengths, but an estimate by Diego Basch and the Tweet rate as of 2013 suggests that the section timeline extending to the past would have 345 billion tweets and be 8,000,000 kilometers (5,000,000 miles) tall. Using extrapolation techniques similar to those used in the {{w|German tank problem}}, the future and past timelines combined would likely contain 690 billion tweets.
|{{blog|65|2013|10|01}}
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|[[File:500 MPH.png|100px]]
|'''{{What If|66|500 MPH}}'''
|''"If winds reached 500 mph, would it pick up a human?"''
<div align="right">—Grey Flynn, age 7, Stoneham, MA</div>
|500 mph winds are more than fast enough to pick up a person and propel them through the air. In fact, 500 mph winds are so fast that they only occur on Earth in extreme situations like the immediate vicinity of an erupting volcano or the aftermath of a major asteroid impact at which point wind speed would only be one of many dangers to human survival.
|{{blog|66|2013|10|08}}
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| rowspan="2" |[[File:Expanding Earth.png|100px]]
| rowspan="2" |'''{{What If|67|Expanding Earth}}'''
| rowspan="2" |''"How long would it take for people to notice their weight gain if the mean radius of the world expanded by 1cm every second? (Assuming the average composition of rock were maintained.)"''
<div align="right">—Dennis O’Donnell</div>
| rowspan="2" |After a month, the gain would be measurable but within the normal variation of gravity. After a year, it would be more prominent at 5%. Humans could survive with difficulty for a decade, but even in specially-built environments, they would succumb within a century as air itself became toxic from atmospheric pressure. After a few centuries, the Moon would fall into the Roche limit and crumble into rings.
| rowspan="2" {{blog|67|2013|10|15}}
| rowspan="2" {{book|1|55}}
|{{book|17|2024|10|15|-1-ldW4kpLM|What if Earth grew 1cm every second?}}
|-
|{{book|6|short-video=yes|2025|08|05|5k8ciEx__5w|Circumference pop quiz!}}
|-
|[[File:Little Planet.png|100px]]
|'''{{What If|68|Little Planet}}'''
|''"If an asteroid was very small but supermassive, could you really live on it like the Little Prince?"''
<div align="right">—Samantha Harper</div>
|Technically, yes. However, there would be major challenges. For one, gravity would be at full strength at your feet, but only 25% strength at your head, giving the illusion that you're being stretched. You would need to sprint at 3 meters per second to leave orbit. However, if you don't make it to that point, you would enter a highly eccentric orbit which would pull on your body in strange ways. Alternatively, you could escape the atmosphere by jumping. If you can make a dunk in basketball on Earth, you could escape this body by jumping.
|{{blog|68|2013|10|22}}
|{{book|1|22}}
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|-
|[[File:Facebook of the Dead.png|100px]]
|'''{{What If|69|Facebook of the Dead}}'''
|''"When, if ever, will Facebook contain more profiles of dead people than of living ones?"''
<div align="right">—Emily Dunham</div>
|This depends on if Facebook stays popular or declines in popularity over time. In the former case, the dead would only outnumber the living well into the 2100s; while in the latter, this happens around 2060. Facebook can afford to keep all our data indefinitely, but there are ethical questions.
|{{blog|69|2013|10|29}}
|{{book|1|59}}
|
|-
|[[File:The Constant Groundskeeper.png|100px]]
|'''{{What If|70|The Constant Groundskeeper}}'''
|''"How big of a lawn would you have to have so that when you finished mowing you'd need to start over because the grass has grown?"''
<div align="right">—Nick Nelson</div>
|A normal, standard-issue mower running for 10 hours straight could cut an area of 25,000 square meters, or 27,000 yards. Using a much faster mower commissioned by the magazine ''Top Gear'' that is used all day, every day, it could cut an adult male cougar's home range (which [https://wdfw.wa.gov/species-habitats/species/puma-concolor#:~:text=Adult%20male%20cougars%20roam%20widely,terrain%2C%20and%20availability%20of%20prey. the Washington Department of Fish and Wildlife] reports as 50-150 miles or 80-240 kilometers).
|{{blog|70|2013|11|05}}
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|[[File:Stirring Tea.png|100px]]
|'''{{What If|71|Stirring Tea}}'''
|''"I was absentmindedly stirring a cup of hot tea, when I got to thinking, "aren't I actually adding kinetic energy into this cup?" I know that stirring does help to cool down the tea, but what if I were to stir it faster? Would I be able to boil a cup of water by stirring?"''
<div align="right">—Will Evans</div>
|No, not really, It would take at least 1 horsepower (a lot for a person stirring), and reducing the power would just make it cool faster. Stirring faster and faster would cause a vacuum to form and stirring to become ineffective.
|{{blog|71|2013|11|12}}
|{{book|1|61}}
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|-
|[[File:Loneliest Human.png|100px]]
|'''{{What If|72|Loneliest Human}}'''
|''"What is the furthest one human being has ever been from every other living person? Were they lonely?"''
<div align="right">—Bryan J. McCarter</div>
|The most well-documented candidates are six Apollo astronauts who ventured behind the dark side of the Moon. Antarctic explorers and pre-colonialism Polynesian explorers have a shot, but there's no good evidence of specific people who beat the Apollo record. Astronauts Mike Collins and Al Worden said they were not at all lonely, the latter even enjoying his soltitude.
|{{blog|72|2013|11|19}}
|{{book|1|63}}
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|-
|[[File:Lethal Neutrinos.png|100px]]
|'''{{What If|73|Lethal Neutrinos}}'''
|''"How close would you have to be to a supernova to get a lethal dose of neutrino radiation?"''
<div align="right">—(Overheard in a physics department)</div>
|Neutrinos are subatomic particles that barely interact with the universe at all, so it's hard to imagine a scenario where they could harm you, even in a supernova. But at about 2.3 AU, or a little farther than Mars is from the Sun, even the neutrinos would be dense enough to kill you. On the other hand, if you were that close, you were probably inside the star that created the supernova, in which case ''[[#115|Into the Sun]]'' would apply.
|{{blog|73|2013|11|26}}
|{{book|1|39}}
|
|-
|[[File:Soda Planet.png|100px]]
|'''{{What If|74|Soda Planet}}'''
|''"How much of the Earth's currently-existing water has ever been turned into a soft drink at some point in its history?"''
<div align="right">—Brian Roelofs</div>
|Humans have likely consumed 6.5 trillion liters or 1.7 trillion gallons of soda ever, based on estimates of population growth and popularity of soda. Assuming humanity has drunk 100 trillion liters (26 trillion gallons) of water, it is reasonable to conclude that only 0.0000005% of Earth's current water reservoir has been turned into a soft drink. However, considering how long water takes to cycle around and certain prehistoric life forms, the water in the average soda was likely once consumed by a dinosaur.
|{{blog|74|2013|12|03}}
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|-
|[[File:Phone Keypad.png|100px]]
|'''{{What If|75|Phone Keypad}}'''
|''"I use one of those old phones where you type with numbers—for example, to type "Y", you press 9 three times. Some words have consecutive letters on the same number. When they do, you have to pause between letters, making those words annoying to type. What English word has the most consecutive letters on the same key?"''
<div align="right">—Stewart Bishop</div>
|The English word with the most consecutive letters on the same key is "Nonmonogamous". This would require you to type the 6 key (MNO) 16 times without stopping, in order to type 'nonmono'. With every letter included, typing this word would require pressing the 2, 4, 7, and 8 keys once each, and the 6 key a nice, even 20 times.
|{{blog|75|2013|12|10}}
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|[[File:Reading Every Book.png|100px]]
|'''{{What If|76|Reading Every Book}}'''
|''"At what point in human history were there too many (English) books to be able to read them all in one lifetime?"''
<div align="right">—Gregory Willmot</div>
|About the 1500s, as the population of active English writers reached a few hundred, meaning you would never be able to catch up (using the average word count for a few famous authors as a baseline). You might not want to read them, anyways.
|{{blog|76|2013|12|17}}
|{{book|2|10}}
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|-
|[[File:Growth Rate.png|100px]]
|'''{{What If|77|Growth Rate}}'''
|''"What height would humans reach if we kept growing through our whole development period (i.e. till late teens/early twenties) at the same pace as we do during our first month?"''
<div align="right">—Maria</div>
|We would reach 10 to 12 meters at age 20, though the human body is not scalable to those heights, as our bone structure is too thin, while our hearts wouldn't be able to pump the blood around.
|{{blog|77|2013|12|31|7d late}}
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|[[File:T-rex Calories.png|100px]]
|'''{{What If|78|T-rex Calories}}'''
|''"If a T-rex were released in New York City, how many humans/day would it need to consume to get its needed calorie intake?"''
<div align="right">—Tony Schmitz</div>
|Estimates vary, but the T-rex was estimated to need 40,000 calories per day. Ryan North of Dinosaur Comics tells us that the average 80 kg/175 pound human [http://www.topatoco.com/merchant.mvc?Screen=PROD&Store_Code=TO&Product_Code=QW-PERSON&Category_Code=QW contains 110,000 calories]. Therefore, a T-rex would need to eat someone every 2 days or so.
|{{blog|78|2014|01|07}}
|{{book|2|7|T. Rex Calories}}
|
|-
|[[File:Lake Tea.png|100px]]
|'''{{What If|79|Lake Tea}}'''
|''"What if we were to dump all the tea in the world into the Great Lakes? How strong, compared to a regular cup of tea, would the lake tea be?"''
<div align="right">—Alex Burman</div>
|An average cup of tea requires 2 grams of tea per 100 mL of water, and to make proper tea out of the Great Lakes, you would need 450 billion tons of tea for the Great Lakes' 22,600 cubic kilometers/5400 cubic miles of water. A total year's supply of tea is only 4.8 million tons, which would make tea about as strong as 2 drops in a bathtub. To make proper lake tea, you could use Wular Lake in Kashmir or Ullswater in UK's lake district, due to the volume of both being small enough for the tea to work.
|{{blog|79|2014|01|14}}
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|[[File:Pile of Viruses.png|100px]]
|'''{{What If|80|Pile of Viruses}}'''
|''"What if every virus in the world were collected into one area? How much volume would they take up and what would they look like?"''
<div align="right">—Dave</div>
|''Human'' viruses would fill about ten oil drums. ''All'' viruses would form a wet heap the size of a small mountain, with a texture resembling pus or meat slurry.
|{{blog|80|2014|01|21}}
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|[[File:Catch!.png|100px]]
|'''{{What If|81|Catch!}}'''
|''"Is there any way to fire a gun so that the bullet flies through the air and can then be safely caught by hand? e.g. shooter is at sea level and catcher is up a mountain at the extreme range of the gun."''
<div align="right">—Ed Hui, London</div>
|Yes, eventually the bullet would come to a maximum height, at which point you could grab the bullet before it fell down. You'd need to grip it firmly, because the bullet would still have its rotational momentum and might jump out of your hand. A larger bullet would require a larger height to catch it at, and even then, it would still be difficult to grab. Of course, this is illegal and can injure you or other people.
|{{blog|81|2014|01|28}}
|{{book|2|12}}
|
|-
|[[File:Hitting a comet.png|100px]]
|'''{{What If|82|Hitting a comet}}'''
|''"Astrophysicists are always saying things like "This mission to this comet is equivalent to throwing a baseball from New York and hitting a particular window in San Francisco." Are they really equivalent?"''
<div align="right">—Tom Foster</div>
|The baseball thing is much harder. You'd have to hit it out of the atmosphere, and a baseball is too small to do that. Even if you could, it's still not a fair comparison because astrophysicists are allowed to refine their approach as they close in on the target, which you can't do with a thrown baseball. It turns out that the comet mission requires about the same level of precision as laser eye surgery.
|{{blog|82|2014|02|05|1d late}}
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|[[File:Star Sand.png|100px]]
|'''{{What If|83|Star Sand}}'''
|''"If you made a beach using grains the proportionate size of the stars in the Milky Way, what would that beach look like?"''
<div align="right">—Jeff Wartes</div>
|Although red giants aren't as common as Sun-like stars or red dwarfs, they would form a stretch of gravel that went on for miles due to their large relative volume. 99% of all stars would form a small patch of sand.
|{{blog|83|2014|02|11|1d early}}
|{{book|2|16}}
|
|-
|[[File:Paint the Earth.png|100px]]
|'''{{What If|84|Paint the Earth}}'''
|''"Has humanity produced enough paint to cover the entire land area of the Earth?"''
<div align="right">—Josh (Bolton, MA)</div>
|There isn't enough paint to go around. The total estimated amount of produced paint, a trillion litres, is only enough to paint as much as the land area of Russia.
|{{blog|84|2014|02|18}}
|{{book|2|14}}
|
|-
|[[File:Rocket Golf.png|100px]]
|'''{{What If|85|Rocket Golf}}'''
|''"Assuming that you have a spaceship in orbit around the Earth, could you propel your ship to speeds exceeding escape velocity by hitting golf balls in the other direction? If so, how many golf balls would be required to reach the Moon?"''
<div align="right">—Dan (Kanata, Ontario)</div>
|You ''could'' propel your ship using golf balls, but, assuming they are being fired at 226 mph (363 km/h), the fastest world record, the amount of golf balls needed for this would be around the size of Earth and wouldn't even get you to the Moon. You'd need a potato cannon fueled by acetylene firing golf balls at 310 mph (500 km/h) which reduces the size of the golf mass to 150 miles (240 kilometers). This would be incredibly costly and firing them faster would essentially be the same as building a normal rocket.
|{{blog|85|2014|02|25}}
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|[[File:Far-Traveling Objects.png|100px]]
|'''{{What If|86|Far-Traveling Objects}}'''
|''"In terms of human-made objects, has Voyager 1 travelled the farthest distance? It's certainly the farthest from Earth we know about. But what about the edge of ultracentrifuges, or generator turbines that have been running for years, for example?"''
<div align="right">—Matt Russell</div>
|There are a few different frames of reference you can look at, but in normal terms Mariner 10 has traveled much farther than Voyager 1. It's travelled a couple of light-days around the Sun, while the Voyager probes have only travelled a dozen light-hours.
|{{blog|86|2014|03|04}}
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|[[File:Enforced by Radar.png|100px]]
|'''{{What If|87|Enforced by Radar}}'''
|''"I've occasionally seen "radar enforced" on speed limit signs, and I can't help but ask: How intense would radio waves have to be to stop a car from going over the speed limit, and what would happen if this were attempted?"''
<div align="right">—Joausc</div>
|Radio waves are generally ''very weak''. You'd need the collective energy of trillions of cell phones just to levitate a snow flake. To stop a car, you'd need at least 2 trillion joules of radiation, which would vaporize the car and everything else around it.
|{{blog|87|2014|03|11}}
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|[[File:Soda Sequestration.png|100px]]
|'''{{What If|88|Soda Sequestration}}'''
|''"How much CO2 is contained in the world's stock of bottled fizzy drinks? How much soda would be needed to bring atmospheric CO2 back to preindustrial levels?"''
<div align="right">—Brandon Seah</div>
|There are currently 400 parts of carbon dioxide per million. To bring it down to pre-Industrial levels, you'd need 450 quadrillion cans of soda, each being able to hold 2.2 grams of CO2. This would cover Earth's land 10 times over.
|{{blog|88|2014|03|18}}
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|[[File:Tungsten Countertop.png|100px]]
|'''{{What If|89|Tungsten Countertop}}'''
|''"How far would a tungsten countertop descend if I dropped it into the Sun?"''
<div align="right">—Michael Leuchtenburg</div>
|Tungsten has the highest melting point of any element, but even tungsten would melt before it got too far. If you protected it with a heat shield, it would get destroyed all the same by the battering of the particles in the Sun's atmosphere. It could possibly penetrate the surface if it was larger, but as it stands, it wouldn't get past the outer layers.
|{{blog|89|2014|03|25}}
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|[[File:Great Tree, Great Axe.png|100px]]
|'''{{What If|90|Great Tree, Great Axe}}'''
|''"If all the seas were one sea,''
''What a great sea that would be!''
''If all the trees were one tree,''
''What a great tree that would be!''
''If all the men were one man,''
''What a great man that would be!''
''If all the axes were one axe,''
''What a great axe that would be!''
''And if the great man took the great axe,''
''And cut down the great tree,''
''And let if fall into the great sea,''
''What a great splish-splash that would be!''

''... How great would all of these things be?"''
<div align="right">—John Eifert (quoting a ''Mother Goose'' rhyme)</div>
|The seas would be a little bigger than the Pacific Ocean. Trees can't grow taller than about 130 meters naturally, and would physically crush itself if above a few kilometers tall. Ignoring these restraints, the tree would be about 75 km tall with trunk diameter of 2 km. Ignoring human size restraints, the person would be close to 3 km tall. The axe would be about 500 meters long and relatively the size of a flimsy hatchet. It may take a few weeks to chop down the tree and the impact would create a tsunami that probably wouldn't wipe out the human race, but would be likely the deadliest single disaster in our history.
|{{blog|90|2014|04|03|2d late}}
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|[[File:Faucet Power.png|100px]]
|'''{{What If|91|Faucet Power}}'''
|''"I just moved into a new apartment. It includes hot water but I have to pay the electric bill. So being a person on a budget ... what's the best way to use my free faucet to generate electricity?"''
<div align="right">—David Axel Kurtz</div>
|A small hydroelectric dam in the bathtub would yield about $0.25 per month of electricity, but the best option would probably be to bottle and sell your tap water, yielding about $38 million per year at $1.50 per bottle.
|{{blog|91|2014|04|08|2d early}}
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|[[File:One-Second Day.png|100px]]
|'''{{What If|92|One-Second Day}}'''
|''"What would happen if the Earth's rotation were sped up until a day only lasted one second?"''
<div align="right">—Dylan</div>
|Everything on Earth would die, but if it happened when the Moon crosses the plane of the Earth, then everything in the Solar System will die (whether there is a difference is debatable).
|{{blog|92|2014|04|15}}
|{{book|2|21}}
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|-
|[[File:Windshield Raindrops.png|100px]]
|'''{{What If|93|Windshield Raindrops}}'''
|''"At what speed would you have to drive for rain to shatter your windshield?"''
<div align="right">—Daniel Butler</div>
|Water droplets in air are normally lighter than the air, so this wouldn't happen under normal circumstances. However, at supersonic speeds, the water droplet would impact the windshield at Mach 18. It wouldn't shatter the windshield, but it would slowly batter it away.
|{{blog|93|2014|04|22}}
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|-
|[[File:Billion-Story Building.png|100px]]
|'''{{What If|94|Billion-Story Building}}'''
|''"My daughter — age 4.5 — maintains she wants a billion-story building. It turns out not only is that hard to help her appreciate this size, I am not at all able to explain all of the other difficulties you'd have to overcome."''
<div align="right">—Keira, via Steve Brodovicz, Media, PA </div>
|The tower would be far too big to support itself under its own weight. The tower would also extend past the Moon. The sheer amount of elevators needed would provide little to no room for actual usable space. Additionally, space junk would be a large problem, as there is a high probability that space junk would collide with the tower.
|{{blog|94|2014|04|29}}
|{{book|2|22}}
|{{book|21|2025|02|11|Z_xJ40QXu7Q|What if you built a billion-story building?}}
|-
|[[File:Pyramid Energy.png|100px]]
|'''{{What If|95|Pyramid Energy}}'''
|''"What took more energy, the building of the Great Pyramid of Giza or the Apollo Mission? If we could convert the energy to build the Great Pyramid, would it be enough to send a rocket to the Moon and back?"''
<div align="right">—Michael Marmol</div>
|The Apollo Program took about the same manpower as the building of the Great Pyramids, but physics wise, the Great Pyramid only contains 10<sup>12</sup> joules of gravitational potential energy. A single Saturn V rocket's fuel has 20 times more energy.
|{{blog|95|2014|05|06}}
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|[[File:$2 Undecillion Lawsuit.png|100px]]
|'''{{What If|96|$2 Undecillion Lawsuit}}'''
|''"What if Au Bon Pain lost '''[http://www.loweringthebar.net/2014/05/2-undecillion-dollar-demand.html this lawsuit]''' and had to pay the plaintiff $2 undecillion?"''
<div align="right">—Kevin Underhill</div>
|The debt would be incredibly great, to the point that everything ever created by man does not have enough value to pay it off. For comparison, former soliciter general Ted Olson leaked that he charges $1600 per hour for his services. Even if every habitable planet in the Milky Way had a population of 8 billion Ted Olsons, and you hired all of them for a thousand generations, the cost would still be lower than if you lost.
|{{blog|96|2014|05|14|1d late}}
|{{book|2|23}}
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|-
|[[File:Burning Pollen.png|100px]]
|'''{{What If|97|Burning Pollen}}'''
|''"What if you were to somehow ignite the pollen that floats around in the air in spring? Other than being a really bad idea, what effect would it have?"''
<div align="right">—Jessica Thornburg</div>
|It would just warm up the air by a very tiny bit, but only because it's so thinly spread. Gathering all of it from a large enough region into one pile could equal a nuclear weapon.
|{{blog|97|2014|05|20|1d early}}
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|[[File:Blood Alcohol.png|100px]]
|'''{{What If|98|Blood Alcohol}}'''
|''"Could you get drunk from drinking a drunk person's blood?"''
<div align="right">—Fiona Byrne</div>
|No, you can't. Alcohol in a drunk person's blood would be very diluted and by the time you drank the 14 glasses needed to get drunk, you would've vomited on the account of drinking blood. That aside, you could also get iron overload as well as various blood-borne diseases.
|{{blog|98|2014|05|27}}
|{{book|2|42}}
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|-
|[[File:Starlings.png|100px]]
|'''{{What If|99|Starlings}}'''
|''"I was watching '''[http://www.youtube.com/watch?v=eakKfY5aHmY this video]''' and was wondering: How many birds there would need to be for gravity to take over and force them into a gargantuan ball of birds?"''
<div align="right">—Justin Basinger</div>
|Each bird is 85 grams, with a density of around 43 grams per square meter. Because of this, the air would be 25 times stronger than the starlings and the substance governing the collapse. The air would have to be bigger than the Earth to collapse the starlings and the starlings themselves would need to be bigger than the Solar System. They would then promptly turn into a star.
|{{blog|99|2014|06|03}}
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|-
|[[File:WWII Films.png|100px]]
|'''{{What If|100|WWII Films}}'''
|''"Did WWII last longer than the total length of movies about WWII? For that matter, which war has the highest movie time:war time ratio?"''
<div align="right">—Becky</div>
|Assuming the average run time of a WWII film was 95 minutes, the combined length was 300 days, meaning World War II was longer than the movies 7 times over. The two most likely candidates for highest movie:war ratio are the Indo-Pakistani war, which lasted 13 days and has 5 catalogued films about it, and the Anglo-Zanzibar war, which only lasted 38 minutes but lacked any films.
|{{blog|100|2014|06|11|1d late}}
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|[[File:Plastic Dinosaurs.png|100px]]
|'''{{What If|101|Plastic Dinosaurs}}'''
|''"As plastic is made from oil and oil is made from dead dinosaurs, how much actual real dinosaur is there in a plastic dinosaur?"''
<div align="right">—Steve Lydford</div>
|Contrary to the name, oil is not made of dead dinosaurs, mostly being composed of marine plankton and algae. Geology is complicated, but the gist is that only a small fraction of a plastic dinosaur toy could've come from dinosaur oil, and depending on the location, it may contain none at all.
|{{blog|101|2014|06|18}}
|{{book|2|26}}
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|-
|[[File:Keyboard Power.png|100px]]
|'''{{What If|102|Keyboard Power}}'''
|''"As a writer, I'm wondering what would be the cumulative energy of the hundreds of thousands of keystrokes required to write a novel."''
<div align="right">—Nicholas Dickner</div>
|Writing one full novel would provide enough energy to run a laptop for 15 seconds. If each novel takes you six months, this would save a fraction of a penny of electricity. To keep a laptop, you'd need to write a novel every ten seconds, and to run a microwave would require one novel per second.
|{{blog|102|2014|06|25}}
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|[[File:Vanishing Water.png|100px]]
|'''{{What If|103|Vanishing Water}}'''
|''"What would happen if all the bodies of water on Earth magically disappeared?"''
<div align="right">—Joanna Xu</div>
|If all water vanished, the first to notice would be anybody currently in the ocean, and over the course of a minute, they would all fall, some of them dying but some surviving with minor injuries. After this, all marine life will have perished. Humans follow soon after as the water cycle would've stopped, collapsing global infrustructure and killing every plant and person by dehydration. The end of the water cycle also leads to a runaway greenhouse effect later on.
|{{blog|103|2014|07|02}}
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|-
|[[File:Global Snow.png|100px]]
|'''{{What If|104|Global Snow}}'''
|''"From my seven-year-old son: How many snowflakes would it take to cover the entire world in six feet of snow? (I don't know why six feet...but that's what he asked.)"''
<div align="right">—Jed Scott</div>
|Snow isn't very dense, and 1 inch of rain would lead to a foot or more of snow. Factoring in snow compressing throughout the day, you would need a mole of snowflakes to cover the Earth in 6 feet in snow.
|{{blog|104|2014|07|09}}
|{{book|2|59}}
|
|-
|[[File:Cannibalism.png|100px]]
|'''{{What If|105|Cannibalism}}'''
|''"How long could the human race survive on only cannibalism?"''
<div align="right">—Quinn Shaffer</div>
|If half of the world eats the other half, then it would take about 32 months before it came down to 2 people. However, this is also a very efficient way to get a {{w|Transmissible spongiform encephalopathy|prion disease}}.
|{{blog|105|2014|07|16}}
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|-
|[[File:Ink Molecules.png|100px]]
|'''{{What If|106|Ink Molecules}}'''
|''"Suppose you were to print, in 12 point text, the numeral 1 using a common cheap ink-jet printer. How many molecules of the ink would be used? At what numerical value would the number printed approximately equal the number of ink molecules used?"''
<div align="right">—David Pelkey</div>
|You'd use about 100,000,000,000,000,000 molecules.
|{{blog|106|2014|07|23}}
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|-
|[[File:Letter to Mom.png|100px]]
|'''{{What If|107|Letter to Mom}}'''
|''"What’s the fastest way to get a hand-written letter from my place in Chicago to my mother in New Jersey?"''
<div align="right">—Tim</div>
|An ICBM would take 12-15 minutes to cross the distance. While that is the best method, a few other methods come close. The Concorde would only take 30 minutes, while firing something with a rail gun down a vacuum tube would take only 10-20 minutes.
|{{blog|107|2014|07|30}}
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|[[File:Expensive Shoebox.png|100px]]
|'''{{What If|108|Expensive Shoebox}}'''
|''"What would be the most expensive way to fill a size 11 shoebox (e.g. with 64 GB MicroSD cards all full of legally purchased music)?"''
<div align="right">—Rick Lewis</div>
|There are many options (precious materials, hard drugs, physical file storage, etc.), but they all cap out at ~$2,000,000,000. That amount of platinum would be worth $13 million, while diamonds, Adcetris and LSD would be valued around 1-2 billion,
|{{blog|108|2014|08|13|7d late}}
|{{book|2|31}}
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|-
|[[File:Into the Blue.png|100px]]
|'''{{What If|109|Into the Blue}}'''
|''"If I shot an infinitely strong laser beam into the sky at a random point, how much damage would it do?"''
<div align="right">—Garrett D.</div>
|Infinitely powerful laser beams do not exist, and if they did, they would vaporize the air and destroy everything like in the ''[[what if? (blog)|what if?]]'' article ''{{what if|13|Laser Pointer}}''. That being said, if it were truly random, it would be aimed at Earth 50% of the time. If you miss the Earth, 89,999 times out of 90,000, your beam will pass right out of the galaxy without hitting anything. When it does hit something, it will almost always be the Sun or the Moon.
|{{blog|109|2014|08|20}}
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|[[File:Walking New York.png|100px]]
|'''{{What If|110|Walking New York}}'''
|''"Could a person walk the entire city of NY in their lifetime? (including inside apartments)"''
<div align="right">—Asif Shamir</div>
|Based on estimates of US Postal Service carriers and their travel times, we know that walking every street in NYC would probably take 14 years. Assuming it takes about 25 seconds to enter an apartment building, leave, and go to the next one, it would only take an additional 10 years to visit every apartment. However, under [http://ypdcrime.com/penal.law/article140.htm New York Penal Code], the punishment would take 2 million years or 2,000 millenia to finish.
|{{blog|110|2014|08|27}}
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|-
|[[File:All the Money.png|100px]]
|'''{{What If|111|All the Money}}'''
|''"People sometimes say "If I had all the money in the world ..." in order to discuss what they would do if they had no financial constraints. I'm curious, though, what would happen if one person had all of the world's money?"''
<div align="right">—Daniel Pino</div>
|Currency only makes up a fraction of Earth's money, and it's unlikely people would agree to your sudden claims of ownership over all of the land, nor would they let you spend the actual currency you have. Said currency would quickly crush you, as most of its weight is in coinage. You could build a structure to contain the coins, but this would violate NYC building codes.
|{{blog|111|2014|09|02|1d early}}
|
|{{book|25|2025|05|06|saj7b5C6TCM|What if you literally had all the money in the world?}}
|-
|[[File:Balloon Car.png|100px]]
|'''{{What If|112|Balloon Car}}'''
|''"My 12-year-old daughter is proposing an interesting project. She is planning to attach a number of helium balloons to a chair, which in turn would be tethered by means of a rope to a Ferrari. Her 13-year-old friend would then drive the Ferrari around, while she sits in the chair enjoying uninterrupted views of the countryside. Leaving aside the legal and insurance difficulties, my daughter is keen to know the maximum speed that she could expect to attain, and how many helium balloons would be required."''
<div align="right">—Phil Rodgers, Cambridge, UK</div>
|A balloon just big enough to lift you would be pushed down by the wind, and a balloon big enough to counteract that would lift up the car along with you. The way to achieve this result is [https://www.youtube.com/results?search_query=parasailing parasailing].
|{{blog|112|2014|09|17|8d late}}
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|[[File:Visit Every State.png|100px]]
|'''{{What If|113|Visit Every State}}'''
|''"How fast could you visit all 50 states?"''
<div align="right">—as discussed by Stephen Von Worley <span class="plainlinks">on [http://www.datapointed.net/2012/08/fastest-route-to-visit-all-fifty-united-states/ '''''Data Pointed''''']</span>
|It would take you 160 hours by car, 39 hours by landing a private jet in each state, and 18 hours by F-22 fighter jet and helicopter landing in each state. However, if you relax the requirement to land in each state and simply count entering the state's airspace as "visiting" it, you can do it in around 7 hours with an SR-71 Blackbird. If we allow satellite orbits, you can do it in just over 6 hours with five orbits, assuming your satellite makes a course correction on each orbit.
|{{blog|113|2014|09|24}}
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|[[File:Antimatter.png|100px]]
|'''{{What If|114|Antimatter}}'''
|''"What if everything was antimatter, EXCEPT Earth?"''
<div align="right">—Sean Gallagher</div>
|It would wipe out all life on Earth, but surprisingly slower than you might expect. The annihilation of antimatter entering the atmosphere would add enough extra heat to create a runaway greenhouse effect and make Earth similar to Venus. We would be in much more danger from meteorites, with dinosaur-killer equivalents hitting the upper atmosphere every few months.
|{{blog|114|2014|10|01}}
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|[[File:Into the Sun.png|100px]]
|'''{{What If|115|Into the Sun}}'''
|''"When I was about 8 years old, shoveling snow on a freezing day in Colorado, I wished that I could be instantly transported to the surface of the Sun, just for a nanosecond, then instantly transported back. I figured this would be long enough to warm me up but not long enough to harm me. What would actually happen?"''
<div align="right">—AJ, Kansas City</div>
|You would not be warmed if you went to the surface, as the energy received by your skin would be minimal. You would maybe see a bright flash of light. The core, on the other hand, would vaporize you, as the energy delivered there would be able to give you a second-degree burn after 1 femtosecond (1 millionth of a nanosecond) in the core.
|{{blog|115|2014|10|08}}
|{{book|2|61}}
|{{book|15|2024|09|03|UXA-Af-JeCE|Could you survive a nanosecond on the Sun?}}
|-
| rowspan="3" |[[File:No-Rules NASCAR.png|100px]]
| rowspan="3" |'''{{What If|116|No-Rules NASCAR}}'''
| rowspan="3" |''"If you stripped away all the rules of car racing and had a contest which was simply to get a human being around a track 200 times as fast as possible, what strategy would win? Let's say the racer has to survive."''
<div align="right">—Hunter Freyer</div>
| rowspan="3" |If the rider has to survive, 90 minutes is the limit based on human G-force tolerances. If survival is not a priority, you'd build a particle accelerator.
| rowspan="3" {{blog|116|2014|10|15}}
| rowspan="3" {{book|2|35}}
|{{book|3|2023|12|19|JcXpCyPc2Xw|What if NASCAR had no rules?}}
|-
|{{book|8|short-video=yes|2025|08|26|eSPcp-tfGbA|How fast could a human accellerate (while staying alive)?}}
|-
|{{book|9|short-video=yes|2025|09|02|rgUfcFAPicY|How fast could a vehicle go around a track - but the racer does not have to survive.}}
|-
|[[File:Distant Death.png|100px]]
|'''{{What If|117|Distant Death}}'''
|''"What is the farthest from Earth that any Earth thing has died?"''
<div align="right">—Amy from NZ</div>
|The farthest that any human has died is about 167 kilometers. In terms of any living thing, however, bacterial spores on Voyager 1 are dying every few months, setting a new record each time.
|{{blog|117|2014|10|23|1d late}}
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|[[File:Physical Salary.png|100px]]
|'''{{What If|118|Physical Salary}}'''
|''"What if people's incomes appeared around them as cash in real time? How much would you need to make to be in real trouble?"''
<div align="right">—Julia Anderson, Albuquerque, NM</div>
|At minimum US wage, a worker would earn about one water bottle of mixed coins per day. A CEO would earn about 600 such bottles per day, and the coins would accumulate on the floor at a rate of about 0.5 inches per day. Mark Zuckerberg would earn 25 such bottles ''per second'', and the coins would bury him if he sat still for an hour.
|{{blog|118|2014|10|30}}
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|[[File:Laser Umbrella.png|100px]]
|'''{{What If|119|Laser Umbrella}}'''
|''"Stopping rain from falling on something with an umbrella or a tent is boring. What if you tried to stop rain with a laser that targeted and vaporized each incoming droplet before it could come within ten feet of the ground?"''
<div align="right">—Zach Wheeler</div>
|It's doable in theory, but the energy required to completely vaporize a raindrop (rather than merely splattering it) is high enough that your surroundings would get dangerously hot. Targeting the droplets might be possible with adaptive optics, but it would require a complicated device. You could try firing rapidly in random directions instead, but your high-powered laser might go several hundred meters without hitting a raindrop, which would endanger your local neighborhood.
|{{blog|119|2014|11|13|7d late}}
|{{book|2|37}}
|{{book|6|2024|02|20|zgBTwtg7H8E|Could you make an umbrella out of lasers?}}
|-
|[[File:Alternate Universe What Ifs.png|100px]]
|'''{{What If|120|Alternate Universe What Ifs}}'''
|''"Dispatches from a horrifying alternate universe"''
|Excerpts from ''what if?'' articles written in a world which, thankfully, is not the one we live in.
|{{blog|120|2014|11|20}}
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|[[File:Frozen Rivers.png|100px]]
|'''{{What If|121|Frozen Rivers}}'''
|''"What would happen if all of the rivers in the US were instantly frozen in the middle of the summer?"''
<div align="right">—Zoe Cutler</div>
|Anywhere with rain or snowmelt would be horrifically flooded, and ice would break, then dam up rivers, forming huge lakes. Humanity would be worse for the wear, but all in all fine. Places where electricity is gotten using a hydroelectric dam may be out of power for a bit, but the flow of water would return in time.
|{{blog|121|2014|12|11}} 14d late)
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|[[File:Lava Lamp.png|100px]]
|'''{{What If|122|Lava Lamp}}'''
|''"What if I made a lava lamp out of real lava? What could I use as a clear medium? How close could I stand to watch it?"''
<div align="right">—Kathy Johnstone, 6th Grade Teacher (via a student)</div>
|You would need to use a metal or gemstone with a very high heat tolerance. You could possibly use sapphire or some sort of transparent or translucent tungsten, but the clear medium would eventually fog up and prevent you from seeing the lava. The lava would solidify after approximately a minute without some way to continuously heat it.
|{{blog|122|2014|12|18}}
|{{book|2|40}}
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|-
|[[File:Fairy Demographics.png|100px]]
|'''{{What If|123|Fairy Demographics}}'''
|''"How many fairies would fly around, if each fairy is born from the first laugh of a child and fairies were immortal?"''
<div align="right">—Mira Kühn, Germany</div>
|If fairies appeared with the first laugh of a ''homo sapiens'', there would be around 100 billion fairies, and they, depending on their size, would probably be considered no more than a common pest. Because of their high population, however, they would probably be considered a major part of the ecosystems where they resided.
|{{blog|123|2015|01|01|7d late}}
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| rowspan="2" |[[File:Lunar Swimming.png|100px]]
| rowspan="2" |'''{{What If|124|Lunar Swimming}}'''
| rowspan="2" |''"What if there was a lake on the Moon? What would it be like to swim in it? Presuming that it is sheltered in a regular atmosphere, in some giant dome or something."''
<div align="right">—Kim Holder</div>
| rowspan="2" |It would be super-cool, given that lower gravity would increase the size of splashes and the height of jumps.
| rowspan="2" {{blog|124|2015|01|08}}
| rowspan="2" |
|{{book|20|2024|12|24|aIIBBj6KR-Y|What if we put a pool on the moon?}}
|-
|{{book|7|short-video=yes|2025|08|12|mtTbwHzhUiM|Petition to send a swimming pool to the moon!}}
|-
|[[File:Bowling Ball 2.png|100px]]
|'''{{What If|125|Bowling Ball}}'''
|''"You are in a boat directly over the Mariana Trench. If you drop a 7kg bowling ball over the side, how long would it take to hit the bottom?"''
<div align="right">—Doug Carter</div>
|It would take two hours and 20 minutes.
|{{blog|125|2015|01|15}}
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|[[File:Stairs (What If?).png|100px]]
|'''{{What If|126|Stairs}}'''
|''"If you made an elevator that would go to space (like the one you mentioned in the '''{{what if|94|billion-story building}}''') and built a staircase up (assuming regulated air pressure) about how long would it take to climb to the top?"''
<div align="right">—Ethan Annas</div>
|It would take about half a day by motorcycle, or a week or two for a professional stair-climber. If going on foot, you'd also need to carry a huge backpack stuffed with nothing but sticks of butter in order to get your daily caloric intake (including the energy expended from climbing the stairs).
|{{blog|126|2015|01|22}}
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|[[File:Tug of War.png|100px]]
|'''{{What If|127|Tug of War}}'''
|''"Would it be possible for two teams in a tug-o-war to overcome the ultimate tensile strength of an iron rod and pull it apart? How big would the teams have to be?"''
<div align="right">—Markus Andersen</div>
|Two teams of 25 people each would be able to rip a half-inch iron bar apart: tug-o-war is a very dangerous game, as there's so much force being exerted on the rope. The theoretical upper limit of a game is 100,000 players each, pulling a 200-mile–long rope made of graphite ribbons.
|{{blog|127|2015|01|28|1d early}}
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|[[File:Zippo Phone.png|100px]]
|'''{{What If|128|Zippo Phone}}'''
|''"What in my pocket actually contains more energy, my Zippo or my smartphone? What would be the best way of getting the energy from one to the other? And since I am already feeling like Bilbo in this one, is there anything else in my pocket that would have unexpected amounts of stored energy?"''
<div align="right">—Ian Cummings</div>
|The Zippo has more energy than your phone battery, but your hand would have even more, when burned as fuel.
|{{blog|128|2015|02|05|1d late}}
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|[[File:Black Hole Moon.png|100px]]
|'''{{What If|129|Black Hole Moon}}'''
|''"What would happen if the Moon were replaced with an equivalently-massed black hole? If it's possible, what would a lunar ("holar"?) eclipse look like?"''
<div align="right">—Matt</div>
|Not much would change. A black hole of the Moon's mass would be the size of a sand grain, but gravitational effects would still be more or less the same here on Earth. There would be no moonlight, which would make the Earth a bit colder and mess with some nocturnal animals. You wouldn't see any lunar eclipses due to the tiny size of the Moon. It would only cause significant problems if humans were on the moon at the time.
|{{blog|129|2015|02|12}}
|
|{{book|28|2025|07|08|UQgw50GQu1A|What if the moon turned into a black hole?}}
|-
|[[File:Snow Removal.png|100px]]
|'''{{What If|130|Snow Removal}}'''
|''"I've long thought about putting a flamethrower on the front of a car to melt snow and ice before you drive across it. Now I've realized that a flamethrower is impractical, but what about a high-powered microwave emitter?"''
<div align="right">—Matt Van Opens</div>
|The flamethrower is more practical because microwaves don't heat ice very well. The microwave beam would require the power output of three aircraft carriers, and the flamethrower would have a gas mileage of 17 feet per gallon. If you were to drive on the highway for an hour using this method, it would burn 18,635 gallons of gasoline, worth $40,000 to $50,000.
|{{blog|130|2015|02|19}}
|
|{{book|26|2025|05|27|WYf9-xfm6t8|What if you used a flamethrower as a snowblower?}}
|-
|[[File:Microwaves.png|100px]]
|'''{{What If|131|Microwaves}}'''
|''"I have had a particular problem for as long as I can remember. Any time I attempt to heat left over Chinese food in a microwave, it fails to heat completely through somewhere. Usually the center but not always and usually rice, but often it will be a small section of meat. It's baffling and has made me automatically adjust heating times to over 2 minutes. In most cases this tends to heat the bowl or plate more than the food. So I suppose the question is what is the optimal time to heat left over Chinese food in the microwave, how about an 800 watt microwave?"''
<div align="right">—James</div>
|The first cause of this issue is that the wave pattern of microwaves create 'dead spots' where the food isn't heated. Secondly, melted ice causes some parts to cook while the rest is still defrosting. Use a lower power level, stir your food partway through microwaving, and let it sit for a few minutes before you eat it. This allows the heat to spread evenly.
|{{blog|131|2015|02|27|1d late}}
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|[[File:Hotter than Average.png|100px]]
|'''{{What If|132|Hotter than Average}}'''
|''"I saw a sign at a hot springs tub saying "Caution: Water is hotter than average" with water at about 39°C. Although they were presumably trying to say "hotter than the average swimming pool," this got me wondering: What is the average temperature of all water on the Earth’s surface, and how does that temperature compare to 39°C?"''
<div align="right">—Graham Ward</div>
|The water average is the year-round average air temperature. By saying the water is "hotter than average", they're implying the water in the pool is not tied to it. Give the signmakers some credit.
|{{blog|132|2015|03|07|1d late}}
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|[[File:Flagpole.png|100px]]
|'''{{What If|133|Flagpole}}'''
|''"So, you're falling from a height above the tallest building in your town, and you don't have a parachute. But wait! Partway down the side of that skyscraper there's a flagpole sticking out, sans flag! You angle your descent and grab the pole just long enough to swing around so that when you let go you're now heading back up toward the sky. As gravity slows you and brings you to a halt, you reach the top of the skyscraper, where you reach out and pull yourself to safety. What's the likelihood this could happen?"''
<div align="right">—Rex Ungericht</div>
|It would be impossible, even a gymnast's arms would be ripped off from the force.
|{{blog|133|2015|03|17|3d late}}
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|[[File:Space Burial.png|100px]]
|'''{{What If|134|Space Burial}}'''
|''"I've often joked I'd like to have my remains put into orbit. Not in a "scatter my ashes" sense, but, like, "throw my naked corpse out the airlock" sense. Honestly, my main motivation is to baffle someone in the distant future, but it's an interesting scientific question: what would happen to my body in orbit over the course of years, decades or centuries?"''
<div align="right">—Tim in Fremont</div>
|Even before you were launched, your body would dry out very quickly. In low orbit, your body would fall to Earth and be burned from atmospheric re-entry. In a higher orbit, it would be destroyed from space debris. In high orbit, you could last for a few centuries. If your body was ever found it would mean there are a lot of people travelling around: making bodies pretty common.
|{{blog|134|2015|03|28|4d late}}
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|[[File:Digging Downward.png|100px]]
|'''{{What If|135|Digging Downward}}'''
|''"What would happen if I dug straight down, at a speed of 1 foot per second? What would kill me first?"''
<div align="right">—Jack Kaunis</div>
|To remove all that soil, the energy required would heat up the surrounding beyond fatal levels pretty quickly. Immune to the heat, you could survive for one to two hours, as oxygen becomes toxic at depths higher than 5 kilometers.
|{{blog|135|2015|04|05|1d late}}
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|[[File:Spiders vs. the Sun.png|100px]]
|'''{{What If|136|Spiders vs. the Sun}}'''
|''"Which has a greater gravitational pull on me: the Sun, or spiders? Granted, the Sun is much bigger, but it is also much further away, and as I learned in high school physics, the gravitational force is proportional to the square of the distance."''
<div align="right">—Marina Fleming</div>
|The Sun, by 13 orders of magnitude (the Sun is very big). But spiders are a lot more scary.
|{{blog|136|2015|04|12}}
|{{book|2|44}}
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|-
|[[File:New Horizons.png|100px]]
|'''{{What If|137|New Horizons}}'''
|''"What if New Horizons hits my car?"''
<div align="right">—Robin Sheat</div>
| ''Note: This question was created before ''New Horizons'' passed by Pluto.'' This is extremely unlikely. The ''New Horizons'' probe is quite large, but is considered small for a spacecraft. If it crashed into your car, there would be serious consequences. However, if it did, NASA would be on the hook to replace your car, along with most of your neighbourhood, and clean up the radioactive mess.
|{{blog|137|2015|07|14|2m 25d late}}
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|[[File:Jupiter Submarine.png|100px]]
|'''{{What If|138|Jupiter Submarine}}'''
|''"What if you released a submarine into Jupiter's atmosphere? Would it eventually reach a point where it would float? Could it navigate?"''
<div align="right">—KTH</div>
|No. Before it got to the point where it could float, the submarine would be crushed by the high pressure and melted by the high temperature. This is because gasses behave differently to fluids: the point where things can float is at a much higher pressure.
|{{blog|138|2015|07|28|7d late}}
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|[[File:Jupiter Descending.png|100px]]
|'''{{What If|139|Jupiter Descending}}'''
|''"If you did '''{{what if|138|fall into Jupiter's atmosphere in a submarine}}''', what would it actually look like? What would you see before you melted or burned up?"''
<div align="right">—Ada Munroe</div>
|There's not a whole lot to go on here; we have some data and educated guesses about what's going inside these gas giants, but we haven't sent any probes equipped with operational cameras into a gas giant so we don't really know. A book by Michael Carroll suggests that there is a layer between the upper ammonia haze and lower ammonium hydrosulfide clouds, that could provide some good views, and if so, the view would be similar to Earth's atmosphere in that clouds and fellow submarines would fade into blue.
|{{blog|139|2015|08|04}}
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|[[File:Proton Earth, Electron Moon.png|100px]]
|'''{{What If|140|Proton Earth, Electron Moon}}'''
|''"What if the Earth were made entirely of protons, and the Moon were made entirely of electrons?"''
<div align="right">—Noah Williams</div>
|There would be so much energy packed into one space that it would create a black hole as massive as the observable universe that would expand outwards at the speed of light. Because of the charge from the electrons, it would be a {{w|naked singularity}}, a black hole with infinite mass that allows light to escape.
|{{blog|140|2015|09|18|1m 7d late}}
|{{book|2|48}}
|{{book|30|2025|9|9|DiWFXv9N0Vs|What if the Moon were made entirely of electrons?}}
|-
|[[File:Sunbeam.png|100px]]
|'''{{What If|141|Sunbeam}}'''
|''"What if all of the sun's output of visible light were bundled up into a laser-like beam that had a diameter of around 1m once it reaches Earth?"''
<div align="right">—Max Schäfer</div>
|According to Randall, parts of the atmosphere would be heated to millions of degrees, and the bubble of destruction would wrap around the Earth before it even reached the other side. The light reflected off the Moon would be hot enough to burn you to death. If the beam couldn't track the Earth, part of it would survive as the Earth orbited out of the way. If the beam reached another planetary system, it could heat up the surface of some distant exoplanets. However, this conclusion depends on the precise nature of the "bundling up". If this "bundling" is accomplished via passive optics such as lenses and mirrors, then the temperature (and geometry) of the incoming beam will be restricted according to all the optics principles described in "Fire from Moonlight", and under no circumstances would any part of Earth's atmosphere or surface exceed 5000 K, due to the laws of thermodynamics. If, however, the "bundling" consists of an "active" procedure of generating electricity via PV panels, and then powering actual laser emitters with it (not just "laser-like") - which doesn't sound like Max's conception - then yes, the narrow beam of essentially "infinite" temperature and consequent destruction that Randall describes could indeed occur.
|{{blog|141|2016|01|12|3m 18d late}}
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|[[File:Space Jetta.png|100px]]
|'''{{What If|142|Space Jetta}}'''
|''"What if I tried to re-enter the atmosphere in my car? (a 2000 VW Jetta TDI). Would it do more environmental damage than it is already apparently doing?"''
<div align="right">—Casey Berg</div>
|The effect of the car's re-entry itself on the environment is going to be small, verging on negligible. The effect of ceasing its usage to burn hydrocarbon fuel for the remainder of the car's life is likely significantly greater than the re-entry, but in practice also negligible. The main non-negligible environmental effect might be from the launch mechanism that was used to get into orbit in the first place, although even this effect, at current rocket launch rates, is still tiny compared to global air travel or ground-based automobile usage.
|{{blog|142|2016|01|20|1d late}}
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|[[File:Europa Water Siphon.png|100px]]
|'''{{What If|143|Europa Water Siphon}}'''
|''"What if you built a siphon from the oceans on Europa to Earth? Would it flow once it's set up? (We have an idea for selling bottled Europa water.)"''
<div align="right">—A group of Google Search SREs</div>
|No, at least not with a siphon. Siphons can only pull water upward to a height where the air pressure feeding water into one side of the siphon equals the weight of the water falling out the other side (creating negative pressure, trying to form a vacuum, which nature abhors). This effect requires a gravitational field and an atmosphere, but cannot be used to pump water above the local atmosphere, and hence out of the local gravity well, under any circumstances - including on Europa.
|{{blog|143|2016|01|26|1d early}}
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|[[File:Saliva Pool.png|100px]]
|'''{{What If|144|Saliva Pool}}'''
|''"How long would it take for a single person to fill up an entire swimming pool with their own saliva?"''
<div align="right">—Mary Griffin, 9th grade</div>
|For an Olympic pool, it would take you 8,345 years. In order to finish by the present day, you'd need to start during the invention of agriculture.
|{{blog|144|2016|02|02}}
|{{book|2|53}}
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|[[File:Fire From Moonlight.png|100px]]
|'''{{What If|145|Fire From Moonlight}}'''
|''"Can you use a magnifying glass and moonlight to light a fire?"''
<div align="right">—Rogier Spoor</div>
|Unfortunately, it is not possible to summarize Randall's article succinctly, because most of his explanation is completely irrelevant to the question. Randall's answer is effectively "No, and here are a set of correct principles of optics that do not support my claim." The correct answer is "Yes, just like it is possible to start a fire with sunlight reflected off anything else, because the temperature/wavelength/energy of light does not change (substantially) when it is reflected, and the temperature of visible sunlight is around 5000 to 6000 K." (The obvious assumption about the intent behind Rogier's question is that "moonlight" refers to the reflected sunlight, and not the Moon's own surface emission of longwave infrared radiation with a temperature of 300 - 400 K, which we can't see - but this should really be clarified by Rogier.)
|{{blog|145|2016|02|09}}
|{{book|2|51}}
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|[[File:Stop Jupiter.png|100px]]
|'''{{What If|146|Stop Jupiter}}'''
|''"I understand that the ''New Horizons'' craft used gravity assist from Jupiter to increase its speed on the way to Pluto. I also understand that by doing this, Jupiter slowed down very slightly. How many flyby runs would it take to stop Jupiter completely?"''
<div align="right">—Dillon</div>
|Even if we were to throw Earth at Jupiter, this could never happen, because Jupiter is much more massive than Earth. Gravity assists are like bouncing a tennis ball off a train, and to stop the train, you'd need an awfully large tennis ball. 
|{{blog|146|2016|02|16}}
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|[[File:Niagara Straw.png|100px]]
|'''{{What If|147|Niagara Straw}}'''
|''"What would happen if one tried to funnel Niagara Falls through a straw?"''
<div align="right">—David Gwizdala</div>
|In order to funnel Niagara Falls through a straw, you'd need to accelerate the water to one-quarter light speed, and no machine exists that's capable of doing that. If you somehow could do it, the resulting waterjet would have the power output of a small star, and would boil away the oceans and wipe out all life on Earth.
|{{blog|147|2016|02|26}} 3d late)
|{{book|2|55}}
|{{book|27|2025|06|17|pfbzrrcQZjs|What if you funneled Niagara Falls through a straw?}}
|-
|[[File:Eat the Sun.png|100px]]
|'''{{What If|148|Eat the Sun}}'''
|''"What percentage of the Sun's heat (per day) does the population of Earth eat in calories per year? What changes could be made to our diets for the amount of calories to equal the energy of the Sun?"''
<div align="right">—James Mitchell</div>
|0.000000000065%. This is such a ridiculously small portion of the Sun's heat exhaust, that we cannot increase our personal calory intake enough to compensate. Instead we need to add more persons. A lot of them in fact. So many that we need to spread them - and the food that they eat - out throughout not just our galaxy but multiple galaxies. Otherwise, the food alone would be massive enough to turn into a black hole.
|{{blog|148|2016|03|12|8d late}}
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|[[File:Pizza Bird.png|100px]]
|'''{{What If|149|Pizza Bird}}'''
|''"My boyfriend recently took a flight on a plane with wifi, and while he was up there, wistfully asked if I could send him a pizza. I jokingly sent him a photo of a parrot holding a pizza slice in its beak. Obviously, my boyfriend had to go without pizza until he landed at JFK. But this raised the question: could a bird deliver a standard 20" New York-style cheese pizza in a box? And if so, what kind of bird would it take?"''
<div align="right">—Tina Nguyen</div>
|After careful analysis of wing types, relative weights, and pizza grabbing mechanisms, it is deduced that even the most compatible bird - the eagle - would be hard-pressed to deliver a pizza to an airliner, the relative speed being the largest hurdle. However, delivery to a house - where the relative speed is not so much of a problem - would be possible, though the pizza might be found a slice or two short.
|{{blog|149|2016|03|26|7d late}}
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|[[File:Tatooine Rainbow.png|100px]]
|'''{{What If|150|Tatooine Rainbow}}'''
|''"Since rainbows are caused by the refraction of the sunlight by tiny droplets of rainwater, what would rainbow look like on Earth if we had two suns like Tatooine?"''
<div align="right">—Raga</div>
|Each sun is the source of not just one rainbow, but a whole series of rainbows of diminishing intensity; the elusive 5th order rainbow had apparently been pictured at the time of publication. A planet with two suns would consequently have two series of rainbows. A solar system arranged like Tatooine would have to be circumbinary, which limits the separation of the two rainbow series to about 20 degrees. As the main rainbow is 84 degrees across, this leads to the conclusion that the rainbows would always be overlapping.
|{{blog|150|2016|05|23|1m 21d late}}
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|[[File:Sun Bug.png|100px]]
|'''{{What If|151|Sun Bug}}'''
|''"How many fireflies would it take to match the brightness of the Sun?"''
<div align="right">—Luke Doty</div>
|30 nonillion fireflies (3 with 31 zeroes after it), which is surprisingly small on the astronomical scale. Counterintuitively, it turns out a single firefly actually glows brighter than an equivalent mass of Sun. However, there are logistical problems with organizing that many fireflies, as you need to arrange them so that they're not blocking each others' lights. You can try to simplify it by just using one very large firefly, but it would be larger than the entire Solar System and immediately collapse into the biggest black hole in the universe.
|{{blog|151|2016|07|21|1m 23d late}}
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|[[File:Flood Death Valley.png|100px]]
|'''{{What If|152|Flood Death Valley}}'''
|''"Since Death Valley is below sea level could we dig a hole to the ocean and fill it up with water?"''
<div align="right">—Nick Traeden</div>
|Basically, yes. But there is a lot of digging, and the end result would be quite similar to the Salton Sea which is characterized as "gross" (technical term). Also, heat world records would likely move elsewhere.
|{{blog|152|2016|10|18|2m 21d late}}
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|''The thumbnail for this blog article wasn't archived.''
|'''<span class="plainlinks">[https://web.archive.org/web/20161205191559/http://what-if.xkcd.com/153 Peptides]</span>'''
|''"What is the longest English word you can spell using the one letter abbreviations of the 20 genetic amino acids? What about the three letter abbreviations? What would the resultant peptides look like?"''
<div align="right">—Kira (Lysine-Isoleucine-Arginine-Alanine) Guth</div>
|For any peptides, 19 letters is the highest possible, that being the word "interdepartmentally". For naturally existing peptides in the human body, 8 letters is the highest known. Examples of 8 letters are: GRISETTE, DATELESS, REVERSAL.
|{{blog|153|2016|12|05|notAvailable=Published by accident and deleted: [[what if? (blog)#top|learn more]]}}
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|[[File:Hide the Atmosphere.png|100px]]
|'''{{What If|153|Hide the Atmosphere}}'''
|''"Earth’s atmosphere is really thin compared to the radius of the Earth. How big a hole do I need to dig before people suffocate?"''
<div align="right">—Sam Burke</div>
|The hole would need to be very big. Under the right circumstances, a five-mile hole over the entire state of Texas might suffice.
|{{blog|153|2017|01|30|3m 5d late}}
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|[[File:Coast-to-Coast Coasting.png|100px]]
|'''{{What If|154|Coast-to-Coast Coasting}}'''
|''"What if the entire continental US was on a decreasing slope from West to East. How steep would the slope have to be to sustain the momentum needed to ride a bicycle the entire distance without pedaling?"''
<div align="right">—Brandon Rooks</div>
|The ramp would need to be five miles high (eight kilometres) to make this possible, and that would be at a speed slower than walking. You would also need oxygen for the first third of the way down.
|{{blog|154|2017|02|08|9d late}}
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|[[File:Toaster vs. Freezer.png|100px]]
|'''{{What If|155|Toaster vs. Freezer}}'''
|''"Would a toaster still work in a freezer?"''
<div align="right">—<span class="plainlinks">[https://maximumfun.org/podcasts/my-brother-my-brother-and-me/ '''My Brother, My Brother, and Me'''], [https://maximumfun.org/episodes/my-brother-my-brother-and-me/mbmbam-343-sauce-doctors-blessing/ '''Episode 343'''], discussing a </span>Yahoo Answers question</div>
|As a superior being, the Toaster casts its gaze upon lowly humans and hrumphs at their bickering about such measly temperature variations as 40C. The Toaster regularly reaches 600C and thus, to it - much like to the Fire - everything else is cold, be it room temperature or freezer temperature. Winnipeg locals have it easy and can try this for themselves, as long as they can stave off the wolves.
|{{blog|155|2017|02|28|13d late}}
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|[[File:Electrofishing for Whales.png|100px]]
|'''{{What If|156|Electrofishing for Whales}}'''
|''"I used to work on a fisheries crew where we would use an electro-fisher backpack to momentarily stun small fish (30 - 100 mm length) so we could scoop them up with nets to identify and measure them. The larger fish tended to be stunned for slightly longer because of their larger surface area but I don't imagine this relationship would be maintained for very large animals. Could you electrofish for a blue whale? At what voltage would you have have to set the e-fisher?"''
<div align="right">—Madeline Cooper</div>
|Electrofishing has long-term effects on fish and especially dolphins. Larger animals, especially mammals, are likely to die rather than just get stunned. But it is also harder to get any effect in saltwater, which explains why electrofishing is mainly done in rivers and lakes, compared to fresh water. This means it wouldn't work on blue whales.
|{{blog|156|2017|03|09|2d late}}
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|[[File:Earth-Moon Fire Pole.png|100px]]
|'''{{What If|157|Earth-Moon Fire Pole}}'''
|''"My son (5y) asked me today: If there were a kind of a fireman's pole from the Moon down to the Earth, how long would it take to slide all the way from the Moon to the Earth?"''
<div align="right">—Ramon Schönborn, Germany</div>
|This set-up would face many challenges, but these would be the different domains of the slowest extreme sport: climbing out of the Moon's gravity, accelerating through the middle transfer phase, and then decelerating to your supersonic arrival on Earth.
|{{blog|157|2018|03|21|1y 2m 5d late}}
|{{book|2|58}}
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|[[File:Hot Banana.png|100px]]
|'''{{What If|158|Hot Banana}}'''
|''"I heard that bananas are radioactive. If they are radioactive, then they radiate energy. How many bananas would you need to power a house?"''
<div align="right">—Kang Ji</div>
|Bananas are not very radioactive, so it would take an absurdly large number. However, gathering that many bananas in one place would have negative consequences. New York no longer exists.
|{{blog|158|2022|05|04|3y 11m 7d late}}
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|[[File:Hailstones.png|100px]]
|'''{{What If|159|Hailstones}}'''
|''"My 4 year old son and I were wondering about soccer ball sized hail today. How much damage would a hail storm with size 5 soccer ball sized hail do?"''
<div align="right">—Michael Grill</div>
|Hailstones get increasingly dangerous as they get larger, as their increased weight cancels their air resistance, allowing them to reach a higher terminal velocity while still carrying all that mass. Regular hailstones are too slow and light to be lethal, but a soccer ball-sized hailstone would hit at around 140 mph, capable of punching straight through the roof of a car or building. Fortunately, no hailstone on record has ever been that big, although storms can on occasion produce hailstones large enough to damage cars, and in rare cases even kill people.
|{{blog|159|2022|07|05|1m 30d late}}
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|''This blog article doesn't have a thumbnail.''
|'''{{What If|160|Transatlantic Car Rental}}'''
|''"My daughter recently received her driver's permit in the US, and aspires to visit mainland Europe someday. She has learned enough about the rules of the road to know never to drive into the ocean; however, she jokingly suggested that given a sufficient quantity of rental cars, she could eventually get to Europe by driving east repeatedly. The question is, how many vehicles would it take to build a car-bridge across the Atlantic?"''
<div align="right">—Eric Munson</div>
|You'd need approximately a billion plus a trillion cars to pull this off. Also, in addition to destroying global ocean circulation and creating an illegal naval blockade, this is definitely a violation of her rental car agreement. Also, organizing a fleet of that many rental cars would be difficult.
|{{blog|160|2022|09|06|1m 26d late}}
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|''This blog article doesn't have a thumbnail.''
|'''{{What If|161|Star Ownership}}'''
|''"If every country's airspace extended up forever, which country would own the largest percentage of the galaxy at any given time?"''
<div align="right">—Reuven Lazarus</div>
|Given that the South pole (of Earth) points towards the Milky way centre, most of the galaxy will wind up in the air-space (space-space?) of countries of the southern hemisphere. However, due to Earth's rotation around its axis, the nadir of the galaxy core (on Earth) will constantly shift. Given that Australia is the largest of the southern countries, Australia will most often be the Rulers of the Universe. Northern hemisphere jurisdictions, such as New Jersey, will have to contend with some pretty nifty black holes and possibly murderous exoplanets.
|{{blog|161|2022|11|01|1m 19d late}}
|{{book|2|24}}
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|''This blog article doesn't have a thumbnail.''
|'''{{What If|162|Comet Ice}}'''
|''"Could I cool down the Earth by capturing a comet and dropping it in the ocean, like an ice cube in a glass of water?"''
<div align="right">—Daniel Becker</div>
|Only if you had a magical sky-crane that could cancel the comet's initial kinetic energy during capture, then slowly lower it to the ground without converting all of its gravitational potential energy back into more kinetic energy. Converting that potential energy into electricity to substitute for existing fossil fuel power plants would reduce CO2 emissions, but the effect of that substitution on global temperatures is uncertain and likely negligible. Meanwhile, the amount of ice in a comet that could be used to cool the oceans directly is also less than one would expect from its size, since comets are not solid. Overall, the answer is effectively "no".
|{{blog|162|2022|12|06|29d late}}
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|'''Global Windstorm'''
|''"What would happen if the Earth and all terrestrial objects suddenly stopped spinning, but the atmosphere retained its velocity?"''
<div align="right">—Andrew Brown</div>
|Everyone would die. Then, the wind would destroy everything, with gusts blowing more than 1,000 mph (1,600 km/h) around the equator, killing 85% of the world population. The highest winds would only last a few minutes, but that would be enough to vaporise most human structures. Bunkers would be useless, because, even if your bunker were stuck to the ground hard, others would not be as strong and would hit yours at 1,000 mph. However, most of the researchers at the {{w|Amundsen–Scott South Pole Station}} would be completely fine. The wind blast would then become a heat blast with scorching temperatures and create global thunderstorms in moist areas. After a while, the Earth would gradually start to regain its rotational velocity thanks to the Moon.
|
|{{book|1|1}}
|{{book|4|2024|01|09|gp5G1QG6cXc|What if Earth suddenly stopped spinning?}}
|-
| rowspan="2" |
| rowspan="2" |'''Weird (and Worrying) Questions from the What If? Inbox, #1'''
| colspan="2" |''"Would it be possible to get your teeth to such a cold temperature that they would shatter upon drinking a hot cup of coffee?"''
<div align="right">—Shelby Hebert</div>
<div align="right"></div>
| rowspan="2" |
| rowspan="2"{{book|1|4}}
| rowspan="2" |
|-
| colspan="2" |''"How many houses are burned down in the United States every year? What would be the easiest way to increase that number by a significant amount (say, at least 15%)?"''<div align="right">—Anonymous</div>
|-
|
|'''New York–Style Time Machine'''
|''"I assume when you travel back in time you end up at the same spot on the Earth’s surface. At least, that’s how it worked in the Back to the Future movies. If so, what would it be like if you traveled back in time, starting in Times Square, New York, 1000 years? 10,000 years? 100,000 years? 1,000,000 years? 1,000,000,000 years? What about foward in time 1,000,000 years?"''
<div align="right">—Mark Dettling</div>
|
*1,000 years back, you'd see many chestnut trees, wolves, and passenger pigeons.
*10,000 years back, the ground would be mostly bedrock, with large chunks of ice and dropped boulders, called glacial erratics.
*100,000 years back, several islands were pushed upwards by the ice. You would see many now-extinct species, such as Canis dirus, Smilodon fatalis, and Arctodus.
*1,000,000 years back, you'd see relatives of hyenas called Chasmaporthetes.
*1,000,000,000 years back would be no plants or animals, only single-celled organisms in the ocean.
|
|{{book|1|5}}
|
|-
|
|'''Periodic Wall of the Elements'''
|''"What would happen if you made a periodic table out of cube-shaped bricks, where each brick was made of the corresponding element?"''
<div align="right">—Andy Connolly</div>
|The top two rows wouldn't be too dangerous to build, but the rest of the periodic table would seriously injure or kill you. In the sixth row, elements with short half-lives would destroy the room you were in as well as causing nuclear fallout to fall nearby. Past the sixth row, the entire city you were in would be destroyed.
|
|{{book|1|8}}
|
|-
| rowspan="2" |
| rowspan="2" |'''Weird (and Worrying) Questions from the What If? Inbox, #2'''
| colspan="2" |''"Would dumping anti-matter into the Chernobyl reactor when it was melting down stop the meltdown?"''
<div align="right">—AJ</div>
| rowspan="2" |
| rowspan="2"{{book|1|12}}
| rowspan="2" |
|-
| colspan="2" |''"Is it possible to cry so much you dehydrate yourself?"''<div align="right">—Karl Wildermuth</div>
|-
| rowspan="2" |
| rowspan="2" |'''The Last Human Light'''
| rowspan="2" |''"If every human somehow simply disappeared from the face of the Earth, how long would it be before the last artificial light source would go out?"''
<div align="right">—Alan</div>
| rowspan="2" |Radioactive waste that was mixed with glass will glow for centuries.
| rowspan="2" |
| rowspan="2" {{book|1|13}}
|{{book|11|2024|05|28|8fADp43wJwU|If all humans died, when would the last light go out?}}
|-
|{{book|5|short-video=yes|2025|07|29|kNry0bf7eC0|Could this be the last surviving human light source?}}
|-
| rowspan="3" |
| rowspan="3" |'''Weird (and Worrying) Questions from the What If? Inbox, #3'''
| colspan="2" |''"Given humanity’s current knowledge and capabilities, is it possible to build a new star?"''
<div align="right">—Jeff Gordon</div>
| rowspan="3" |
| rowspan="3"{{book|1|16}}
| rowspan="3" |
|-
| colspan="2" |''"What sort of logistic anomalies would you encounter in trying to raise an army of apes?"''<div align="right">—Kevin</div>
|-
| colspan="2" |''"If people had wheels and could fly, how would we differentiate them from airplanes?"''<div align="right">—Anonymous</div>
|-
| rowspan="2" |
| rowspan="2" |'''Orbital Submarine'''
| rowspan="2" |''"How long would a nuclear submarine last in orbit?"''
<div align="right">—Jason Lathbury</div>
| rowspan="2" |Submarines are, unsurprisingly, very good at being watertight. This would mean that, mostly, air would stay within the submarine for a time. However, a nuclear submarine is able to stay under for so long because it can convert seawater into oxygen. With no seawater, no oxygen is made, which means that eventually they will run out of air. Getting back into the atmosphere would be tricky. Firing all of a submarine's missiles backwards (i.e. towards the ship) with their detonators removed would produce just enough force for the sub to deorbit and reenter the atmosphere. At that point, the heat and forces of reentry would rip the submarine apart, similar to the {{w|Space Shuttle Challenger disaster}}.
| rowspan="2" |
| rowspan="2" {{book|1|17}}
|{{book|7|2024|03|05|EsUBRd1O2dU|Would a Submarine Work as a Spaceship?}}
|-
|{{book|4|short-video=yes|2025|07|22|sFTRRdHqZIQ|Why Space Is Actually Warm!}}
|-
| rowspan="2" |
| rowspan="2" |'''Weird (and Worrying) Questions from the What If? Inbox, #4'''
| colspan="2" |''"Would it be possible to stop a volcano eruption by placing a bomb (thermobaric or nuclear) underneath the surface?"''
<div align="right">—Tomasz Gruszka</div>
| rowspan="2" |
| rowspan="2"{{book|1|20}}
| rowspan="2" |
|-
| colspan="2" |''"A friend of mine is convinced that there is sound in space. There isn’t, right?"''<div align="right">—Aaron Smith</div>
|-
|
|'''Human Computer'''
|''"How much computing power could we achieve if the entire world population stopped whatever we are doing right now and started doing calculations? How would it compare to a modern-day computer or smartphone?"''
<div align="right">—Mateusz Knorps</div>
|The combined computing power of all devices surpassed the power of all humans in 1977.
|
|{{book|1|21}}
|
|-
|
|'''Common Cold'''
|''"If everyone on the planet stayed away from each other for a couple of weeks, wouldn't the common cold virus be wiped out?"''
<div align="right">—Sarah Ewart</div>
|In theory, this would work. In practice, it wouldn't for a simple reason: Some people have compromised immune systems. These people's bodies can be a safe haven for rhinoviruses, which would mean the common cold, would quickly spread through the population again. The world's food supplies would also be an issue, as people may need to eat foods not designed to be eaten directly (i.e. raw grain). Many systems would shut down as people wouldn't be there to maintain them. Many millions would be stranded in places like Antarctica or the Sahara Desert, which would lead to many deaths. In effect, the scenario would be similar to 'Everybody Jump'.
|
|{{book|1|25}}
|
|-
| rowspan="2" |
| rowspan="2" |'''Weird (and Worrying) Questions from the What If? Inbox, #5'''
| colspan="2" |''" If global warming puts us in danger through temperature rise, and super-volcanos put us into danger of global cooling, shouldn’t those two dangers balance each other out?"''
<div align="right">—Florian Seidl-Schulz</div>
| rowspan="2" |
| rowspan="2"{{book|1|27}}
| rowspan="2" |
|-
| colspan="2" |''"How fast would a human have to run in order to be cut in half at the bellybutton by a cheese-cutting wire?"''<div align="right">—Jon Merrill</div>
|-
|
|'''No More DNA'''
|''"This may be a bit gruesome, but... if someone's DNA suddenly vanished, how long would that person last?"''
<div align="right">—Nina Charest</div>
|You could live for several hours or days before succumbing to infection or systemwide organ failure.
|
|{{book|1|29}}
|
|-
| rowspan="2" |
| rowspan="2" |'''Weird (and Worrying) Questions from the What If? Inbox, #6'''
| colspan="2" |''"What is the total nutritional value (calories, fat, vitamins, minerals, etc.) of the average human body?"''
<div align="right">—Justin Risner</div>
| rowspan="2" |
| rowspan="2"{{book|1|31}}
| rowspan="2" |
|-
| colspan="2" |''"What temperature would a chainsaw (or other cutting implement) need to be at to instantly cauterize any injuries inflicted with it?"''<div align="right">—Sylvia Gallagher</div>
|-
|
|'''Flyover States'''
|''"Which US state is actually flown over the most?"''
<div align="right">—Jesse Ruderman</div>
|Somewhat surprisingly,Virgina, due to a large amount of flights from Toronto to the Carribbean/South America. Despite it having many major airports, inlcluding most of those serving DC, there are also many major airports which have routes passing over Virginia, such as KATL and KJFK.
|
|{{book|1|33}}
|
|-
| rowspan="3" |
| rowspan="3" |'''Weird (and Worrying) Questions from the What If? Inbox, #7'''
| colspan="2" |''"In Thor the main character is at one point spinning his hammer so fast that he creates a strong tornado. Would this be possible in real life?"''
<div align="right">—Davor</div>
| rowspan="3" |
| rowspan="3"{{book|1|36}}
| rowspan="3" |
|-
| colspan="2" |''"If you saved a whole life’s worth of kissing and used all that suction power on one single kiss, how much suction force would that single kiss have?"''<div align="right">—Jonatan Lindström</div>
|-
| colspan="2" |''"How many nuclear missiles would have to be launched at the United States to turn it into a complete wasteland?"''<div align="right">—Anonymous</div>
|-
|
|'''Self-Fertilization'''
|''"I read about some researchers who were trying to produce sperm from bone marrow stem cells. If a woman were to have sperm cells made from her own stem cells and impregnate herself, what would be her relationship to her daughter?"''
<div align="right">—R Scott LaMorte</div>
|As the child is coming from, effectively, two parents with identical DNA, there would be many genetic defects, similar to being inbred. As there is no father to contribute a Y chromosome, the child is guaranteed to be a girl.
|
|{{book|1|37}}
|
|-
| rowspan="2" |
| rowspan="2" |'''Weird (and Worrying) Questions from the What If? Inbox, #8'''
| colspan="2" |''"A toxin blocks the ability of the nephron tubule reabsorption but does not affect filtration. What are the possible short-term effects of this toxin?"''
<div align="right">—Mary</div>
| rowspan="2" |
| rowspan="2"{{book|1|40}}
| rowspan="2" |
|-
| colspan="2" |''"If a Venus fly trap could eat a person, about how long would it take for the human to be fully de-juiced and absorbed?"''<div align="right">—Jonathan Wang</div>
|-
|
|'''Lost Immortals'''
|''"If two immortal people were placed on opposite sides of an uninhabited Earthlike planet, how long would it take them to find each other? 100,000 years? 1,000,000 years? 100,000,000,000 years?"''
<div align="right">—Ethan Lake</div>
|Depending on strategy and terrain, a few years to a few decades.
|
|{{book|1|42}}
|
|-
| rowspan="2" |
| rowspan="2" |'''Weird (and Worrying) Questions from the What If? Inbox, #9'''
| colspan="2" |''"Could you survive a tidal wave by submerging yourself in an in-ground pool?"''
<div align="right">—Chris Muska</div>
| rowspan="2" |
| rowspan="2"{{book|1|46}}
| rowspan="2" |
|-
| colspan="2" |''"If you are in free fall and your parachute fails, but you have a Slinky with extremely convenient mass, tension, etc., would it be''
possible to save yourself by throwing the Slinky upward while holding on to one end of it?"<div align="right">—Varadarajan Srinivasan</div>
|-
|
|'''Sparta'''
|''"In the movie 300 they shoot arrows up into the sky and they seemingly blot out the sun. Is this possible, and how many arrows would it take?"''
<div align="right">—Anna Newell</div>
|300 arrows per second with densely packed archers could blot out 99% of the Sun's light. If the Sun were low in the horizon, you could more effectively block sunlight with less arrows. However, this would have little to no effect on the opponent, unless it required solar panels.
|
|{{book|1|47}}
|
|-
|
|'''Lego Bridge'''
|''"How many Lego bricks would it take to build a bridge capable of carrying traffic from London to New York? Have that many Lego bricks been manufactured?"''
<div align="right">—Jerry Petersen</div>
|Enough bricks have been manufactured to connect London and New York, but the bridge would not be structurally sound enough to stay together for very long.
|
|{{book|1|51}}
|
|-
| rowspan="3" |
| rowspan="3" |'''Weird (and Worrying) Questions from the What If? Inbox, #10'''
| colspan="2" |''"What is the probability that if I am stabbed by a knife in my torso that it won’t hit anything vital and I’ll live?"''
<div align="right">—Thomas</div>
| rowspan="3" |
| rowspan="3"{{book|1|54}}
| rowspan="3" |
|-
| colspan="2" |''"If I were on a motorbike and do a jump off a quarter pipe ramp, how fast would I need to be moving to safely deploy and land using the parachute?"''<div align="right">—Anonymous</div>
|-
| colspan="2" |''"What if every day, every human had a 1 percent chance of being turned into a turkey, and every turkey had a 1 percent chance of''
being turned into a human?"<div align="right">—Kenneth</div>
|-
|
|'''Weightless Arrow'''
|''"Assuming a zero-gravity environment with an atmosphere identical to Earth's, how long would it take the friction of air to stop an arrow fired from a bow? Would it eventually come to a standstill and hover in midair?"''
<div align="right">—Mark Estano</div>
|It would stop at about 5 to 10 kilometers.
|
|{{book|1|56}}
|
|-
| rowspan="2" |
| rowspan="2" |'''All the Lightning'''
| rowspan="2" |''"If all the lightning strikes happening in the world on any given day all happened in the same place at once, what would happen to that place?"''
<div align="right">—Trevor Jones</div>
| rowspan="2" |It would create a crater the size of a basketball court.
| rowspan="2" |
| rowspan="2" {{book|1|62}}
|{{book|10|2024|05|07|fs28lEq9smw|What if all the lightning on Earth struck the same place at once?}}
|-
|{{book|3|short-video=yes|2025|07|15|_efsqO-4OoQ|Could We Harvest Power From Lightning?}}
|-
| rowspan="2" |
| rowspan="2" |'''Weird (and Worrying) Questions from the What If? Inbox, #11'''
| colspan="2" |''"What if everyone in Great Britain went to one of the coasts and started paddling? Could they move the island at all?"''
<div align="right">—Ellen Eubanks</div>
| rowspan="2" |
| rowspan="2"{{book|1|64}}
| rowspan="2" |
|-
| colspan="2" |''"Are fire tornadoes possible?"''<div align="right">—Seth Wishman</div>
|-
|
|'''Neutron Bullet'''
|''"If a bullet with the density of a neutron star were fired from a handgun (ignoring the how) at the Earth's surface, would the Earth be destroyed?"''
<div align="right">—Charlotte Ainsworth</div>
|No. The bullet would fall through the ground and stop in the center of the Earth.
|
|{{book|1|67}}
|
|-
| rowspan="2" |
| rowspan="2" |'''Weird (and Worrying) Questions from the What If? Inbox, #12'''
| colspan="2" |''"What if I swallow a tick that has Lyme disease? Will my stomach acid kill the tick and the borreliosis, or would I get Lyme disease from the inside out?"''
<div align="right">—Christopher Vogel</div>
| rowspan="2" |
| rowspan="2"{{book|1|68}}
| rowspan="2" |
|-
| colspan="2" |''"Assuming a relatively uniform resonant frequency in a passenger jet, how many cats, meowing at what resonant frequency of said jet, would be required to "bring it down"?"<div align="right">—Brittany</div>
|-
| rowspan="3" |
| rowspan="3" |'''Richter 15'''
| rowspan="3" |''"What if a Richter magnitude 15 earthquake were to hit America at, let's say, New York City? What about a Richter 20? 25?"''
<div align="right">—Alec Farid</div>
| rowspan="3" |A magnitude 15 earthquake would destroy the Earth, but going higher won't make much difference. You can actually go lower than 0, though.
| rowspan="3" |
| rowspan="3" {{book|1|69}}
|{{book|2|2023|12|05|e3uk7jU3RHo|What would a magnitude 15 earthquake be like?}}
|-
|{{book|1|short-video=yes|2025|06|24|wBLVmEZV2Oc|How high could the magnitude of Earthquakes go?}}
|-
|{{book|2|short-video=yes|2025|07|01|FKXVs4UteSc|Is there such a thing as a magnitude 0 earthquake?}}
|-
|
|'''Soupiter'''
|''"What would happen if the Solar System was filled with soup out to Jupiter?"''
<div align="right">—Amelia</div>
|The soup would collapse into a very large black hole and devour the Milky Way, though we would feel mostly fine for the first 10 to 15 minutes.
|
|{{book|2|1}}
|
|-
|
|'''Helicopter Ride'''
|''"What if you were hanging on a helicopter blade by your hands and then someone turned it on?"''
<div align="right">—Corban Blanset</div>
|Without any grip assistance, you'd fall off before it completed its first revolution. With handholds, your body would instead fall off of your arms. Assuming no issues with staying on the wing, there would be more problems to follow. The helicopter, as it spooled up, would begin violently wobbling due to the constantly changing center of gravity before flipping itself, destroying both you and the pilot in a massive fireball.
|
|{{book|2|2}}
|
|-
|
|'''Dangerously Cold'''
|''"Would there be any danger from standing next to a large object that was 0 Kelvin?"''
<div align="right">—Christopher</div>
|There wouldn't be a lot of direct danger from the cube itself, though it would make you feel cold. The bigger danger would be from liquid oxygen condensing and igniting flammable objects. It would take a while to reheat the cube
|
|{{book|2|3}}
|
|-
|
|'''Ironic Vaporization'''
|''"What if we somehow evaporated a solid block of iron on {{asic|ear|th''}}''?"''
<div align="right">—Cooper C.</div>
|The cube would ignite whatever is near it and deposit large quantities of iron flakes downwind. However, it wouldn't make a huge impact on the total amount of atmospheric iron.
|
|{{book|2|4}}
|
|-
|
|'''Cosmic Road Trip'''
|''"If the universe stopped expanding right now, how long would it take for a human to drive a car all the way to the edge of the universe?"''
<div align="right">—Sam H-H</div>
|First off, a human can't do this. Assuming a normal crash rate, an average human driver wouldn't make it past Mars without crashing. Even truck drivers, a field where the crash rate is much lower, wouldn't make it past Jupiter. Using a self-driving car, however, would negate this. It would take an incredibly long time, on the order of approximately 480 quadrillion years if you're driving at a steady pace of 65 miles per hour. Assuming you want to keep your car functional, you would go through 30 quintillion oil changes. Assuming a reasonable 33 MPG highway mileage, the amount of gasoline needed would be similar to the Moon in size. You would also need 10^17 tons of snacks. Entertainment would be another issue. If every person who has ever lived had 150 friends/acquaintances, listening to a real-time podcast of someone's life, all from the perspective of a different friend/acquaintance, you would need to re-watch them all 150 times to make it to the edge of the observable universe. Once you get there, there would be no Earth to come back to.
|
|{{book|2|5}}
|
|-
|
|'''Pigeon Chair'''
|''"How many pigeons would it require in order to lift the average person and launch a chair to the height of Australia's Q1 skyscraper?"''
<div align="right">—Nick Evans</div>
|The optimal method for using the least amount of pigeons would be to use a multi-stage system of sorts. A group of pigeons would lift you about 10 feet, before dropping you as another group swoops in to take their place. However, even with this system, the number of pigeons would be large enough that the Earth would be pulled into the pigeons by gravity instead of the other way around. In other words, if you want to get to the top of Australia's Q1 skyscraper, use an elevator.
|
|{{book|2|6}}
|
|-
|rowspan="11"|
|rowspan="11"|'''Short Answers #1'''
|''"What if your blood became liquid uranium? Would you die from radiation, lack of oxygen, or something else?"''
<div align="right">—Thomas Chattaway</div>
|You would die Having-no-Blood-and-Being-Full-of-Molten-Uranium Syndrome. Also known as Jeff's Disease.
|rowspan="11"|
|rowspan="11"{{book|2|6.5}} (S1)
|rowspan="11"|
|-
|''"Could someone have an anime-style attack where they created a sword out of air? I'm not talking about an air blade, but something like cooling the air enough so that you had solid air to attack people."''
<div align="right">—Emma</div>
|Theoretically yes, but it would be extremely impractical. The temperature to turn oxygen solid is very low, and even with proper insulation it would still cause frostbite. It would also be very weak and very soft, and would sublimate quickly, basically making it useless for all intensive purposes, except for PR.
|-
|''"How much water do you have to drink to become 99 percent water?"''
<div align="right">—LyraxH</div>
|About 500 gallons of water.
|-
|''"What would we see if we attached a lightweight camera to a balloon and let it fly away?"''
<div align="right">—Raymond Peng</div>
|We would see a balloon slowly flying away, fading into the sky. It would be quite pretty. Though next time we should probably attach a transmitter.
|-
|''"How many calories does Mario burn a day?"''
<div align="right">—Daniel and Xavier Hovley</div>
|Mario starved to death in late 1985.
|-
|''"If a snake unhinged its jaw and swallowed a balloon whole, could/would the balloon carry the snake up?"''
<div align="right">—Freezachu</div>
|No.
|-
|''"If you were to jump out of an airplane that was traveling at Mach 880980 that was 100,00 feet above ground in New York City, with skydiving gear, could you survive?"''
<div align="right">—Jack Catten</div>
|rowspan="2"|No, you would die.
|-
|''"If there was no water on Earth, would we all live?"''
<div align="right">—Karen</div>
|-
|''"Is it possible to make a homemade jetpack?"''
<div align="right">—Azhari Zadil</div>
|It's very easy to make one that works once; much harder to make it work more.
|-
|''"I was wondering whether there's a way to use my welder as a defibrillator? (The specific model I own is an Impax IM-ARC140 arc welder.)"''
<div align="right">—Łukasz Grabowski</div>
|No, and you probably shouldn't be allowed to use it as an arc welder either.
|-
|''"What if all atoms on Earth were expanded to the size of a grape? Would we survive?
|I don't know how to answer this with science, but now I want grapes.
|-
|
|'''Geyser'''
|''"If one were to stand on top of the Old Faithful geyser in Yellowstone National Park, at what speed would they be launched upwards and what injuries would they likely sustain?"''
<div align="right">—Catherine McGrath</div>
|If you positioned yourself in just the right way, and used an umbrella to catch as much lift as possible, you could be launched hundreds of feet in the air. Unsurprisingly, you'd receive severe burns and almost certainly die. Surprisingly, however, you would be far from the first person to get severe burns from the geysers.
|
|{{book|2|8}}
|
|-
|
|'''Pew, Pew, Pew'''
|''"If you shot a ridiculously powerful gun/{{asic|la|zer''}}'' would it go off the edge of the world in a straight line or curve around the world?"''
<div align="right">—Maelor</div>
|The beam would go off the edge of the world, except under certain circumstances.
|
|{{book|2|9}}
|
|-
|rowspan="4"|
|rowspan="4"|'''Weird & Worrying #1'''
|colspan="2"|''"Can bees or other animals go to hell? Or can they murder other bees without consequences?"''
<div align="right">—Sadie Kim</div>
|rowspan="4"|
|rowspan="4"{{book|2|10.5}} (W1)
|rowspan="4"|
|-
|colspan="2"|''"How many mirrors reflecting (sun)light would it take to kill, or at least, injure somebody?"''
<div align="right">—Eli Collinge</div>
|-
|colspan="2"|''"If you had to remove the tonsils of a giant, what would be the safest way for you to do it? The surgeon is a normal human."''
<div align="right">—Tirzah</div>
|-
|colspan="2"|''"What would it take to defeat Air Force One with a drone???"''
<div align="right">—Anonymous</div>
|-
|
|'''Banana Church'''
|''"Can all the world's bananas fit inside of all of the world's churches? My friends have had this argument for a little over 10 years now."''
<div align="right">—Jonas</div>
|<big><big>{{notice2|'''Most of these are too short!'''}}</big></big> <big><big>{{notice|'''If you own the second book, please help us by explaining more!'''}}</big></big> Yes. They would likely only fill the churches to 6 inches deep. For the bananas to be unable to fit, each person would need to eat a 1 foot by 1 foot by 2 meter crate's worth of bananas per year.
|
|{{book|2|11}}
|
|-
|
|'''Lose Weight the Slow and Incredibly Difficult Way'''
|''"I want to lose 20 pounds. How much of the Earth's mass would I have to "relocate" to space in order to achieve my goal?"''
<div align="right">—Ryan Murphy</div>
|You would have to remove 85% of the Earth's mass. However, due to the increase in density in the mantle, you would actually gain weight until you've removed about half the Earth's diameter. An image of what it would look like is shown in [[2575: What If? 2]], where a potato peeler is used to remove the crust of the Earth.
|
|{{book|2|13}}
|
|-
|
|'''Jupiter Comes to Town'''
|''"Dear Randall, what would happen if you shrunk Jupiter down to the size of a house and placed in a neighborhood, say, replacing a house?"''
<div align="right">—Zachary</div>
|Assuming density stayed the same when you shrunk Jupiter down, the biggest issue would be that the gravity that keeps its hot interior together would no longer exist, essentially creating a giant fireball that would turn into a mushroom cloud, and eventually spread out into a big cool cloud. This would, effectively, be the reverse of the formation of Jupiter, which started as clouds before being compressed into a small hot ball.
|
|{{book|2|15}}
|
|-
|
|'''Swing Set'''
|''"How tall can a swing set be while still being powered by a human pumping their legs? Is it possible to build a swing set tall enough to launch the rider into space if they jump at the right time? (Assuming the human has enough energy, which my 5-year-old seems to have.)"''
<div align="right">—Joe Coyle</div>
|This is impossible due to the fact that, by pumping the legs, you are essentially pushing against the crossbar of the swing set. A string which is too long will result in a very low amount of force being delivered to the crossbar, lowering the maximum angle you can swing relative to the base of the curve. Calculations show that the optimal crossbar height to gain the most angle relative to the ground is approximately 8 feet.
|
|{{book|2|17}}
|
|-
|
|'''Airliner Catapult'''
|''"My friend is a commercial airline pilot. She says that a significant amount of fuel is spent on takeoff. To save fuel, why couldn't we launch airplanes using catapult systems like on aircraft carriers (calibrated to normal human accelerations)? Could significant amounts of fossil fuels be saved if the catapults could be run by some other clean energy? I'm imagining a rope ... one end tied to the airplane, the other tied to a large boulder at the edge of a cliff. Just push the boulder off the cliff!"''
<div align="right">—Brady Barkey</div>
|It's not a completely ridiculous idea, but the most practical issue is that you'd have to extend the roughly mile-long runway several times more to take full advantage of it. Using the proposed rope-and-cliff system, you'd need to use a thousand ton weight dropped at the height of a super tall skyscraper - of course, if you used something heavier, like the 80,000-ton Washington Monument, you wouldn't need to drop it as far.
|
|{{book|2|18}}
|
|-
|rowspan="14"|
|rowspan="14"|'''Short Answers #2'''
|''"Billy the Clown is running out of cash, so in order to raise money, he devises his newest trick: He will inflate, by mouth, a standard-size party balloon until the material (some form of indestructible rubber) is just one atom thick. How large would the inflated party balloon be?"''
<div align="right">—Alan Fong</div>
|It's a total mystery why Billy is running out of cash.
|rowspan="14"|
|rowspan="14"{{book|2|18.5}} (S2)
|rowspan="14"|
|-
|''"How many leaf blowers would it take to move a standard SUV"''
<div align="right">—Ashley H.</div>
|Somewhere around 1-2 dozen leaf blowers would do the trick. However, it would be very impractical, consume a lot of fuel, and the acceleration would be very slow. Many more leaf blowers would be needed to accelerate the car at a reasonable rate.
|-
|''"If you put a vacuum at extremely high suction and aimed it at a normal BMW sedan, what would happen?"''
<div align="right">—Anonymous</div>
|Nothing. Cars, even small ones like sedans, are far too large and heavy to be affected by a vacuum, even a very large and powerful one.
|-
|''"On a warm summer evening, when you sit outside with a light on, you can be sure that bugs will be attracted to the light. Then why is it that these same bugs don't fly toward the biggest and strongest lamp of them all, namely the Sun, during the day?"''
<div align="right">—Anonymous</div>
|Those who did would die and not be able to produce offspring with the same traits.
|-
|''"If you collected all of the guns in the world and put them on one side of the Earth, then shot the all simultaneously, would it move the Earth?"''
<div align="right">—Nathan</div>
|It would not move the Earth, but it would make the other side a nicer place to live.
|-
|''"What would happen if you microwaved a small microwave, while the smaller one was on as well?"''
<div align="right">—Micheal</div>
|Randall gave the meme answer of 'You would no longer be welcome in that IKEA.' In reality, this would almost certainly lead to some dire consequences. Microwaves contain sensitive electronics which would be damaged from excess heat{{cn}}, leaving the microwave functionally useless. Most microwaves are also made of metal, which is known for exploding when exposed to microwaves. This is the same principle that causes forks to explode when placed in one.
|-
|''"If you're jumping on a trampoline, how fast would your body have to be going to:<br>'''A.''' Break all bones on impact<br>'''B.''' Make your body go though the tiny holes of the mesh."''
<div align="right">—Micah Lane</div>
|<ol style="list-style-type: upper-alpha">
<li>Breaking all of the bones in your body would be hard because a lot of them are very small, but it would be fast enough that the trampoline wouldn't make much of a difference.</li>
<li>This can't happen, no matter how fast you're going.</li>
</ol>
|-
|''"I have a Nothing Grenade™. When detonated, it instantly replaces itself with a sphere of perfect vacuum 2 meters across. What would actually happen when it went off?"''
<div align="right">—Dave H.</div>
|As the two-meter vacuum circle appeared, the surrounding air would rapidly fill in the sudden gap. Almost instantaneously, the air would collide and expand out with enough force to possibly kill a human and damage small structures such as bookshelves or walls. In other words, you basically have a regular grenade.
|-
|''"Is space hot or cold?"''
<div align="right">—Isaac</div>
|The answer to this is complicated. Temperature is a measurement of the speed of particles. In space, having no air resistance, particles move incredibly fast. However, because it's a vacuum, there are almost no particles. This is a similar principle to the reason you don't get burned when welding sparks touch your skin. They're so small they do basically nothing to you. As there are almost no particles to impact you, space is the hottest place you can freeze to death.
|-
|''"How many bones can you remove from the human body while allowing the human to continue living? Asking for a friend."''
<div align="right">—Chris Rakeman</div>
|That person is not your friend.
|-
|''"What would happen if you put a human under a g-force of 417 Gs for twenty seconds?"''
<div align="right">—Nythill</div>
|The human is guaranteed to die. Scientific tests have shown that, despite the human body's ability to withstand g-forces into the hundreds for very short periods of time (a car crash may exceed 100 Gs of force), going over 18 Gs for a long period of time is likely to cause the human to black out and quickly die, as the force would prevent blood from being able to flow through a human body properly. This is the same reason why bugs are unable to move after hitting a car on the highway, even if they survive.
|-
|''"Where or how can one commit a murder and not be prosecuted for it?"''
<div align="right">—Kunai Dhawan</div>
|Theoretically, in a section of Yellowstone National Park, where {{w|Zone of Death (Yellowstone)|a jury would have to be formed from a non-existent population}}. In practice, you'd definitely still be prosecuted for committing a murder there.
|-
|''"I read today that insects make at least $57 billion a year for the US economy. If we were to pay every single insect in the United States equally for their economic contribution, how much would each insect get?"''
<div align="right">—Hannah McDonald</div>
|Each insect would get $0.0000029.
Broken down:
*$18 billion to flies, including mosquitoes
*$16 billion to bees, wasps, and ants
*$10 billion to beetles
*$7 billion to thrips
*$1 billion to butterflies and moths
*$1 billion to true bugs
*$4 billion to all other insects
|-
|''"What, in today's world and yesterday's world, does it mean to be human, in all social and biological factors?"''
<div align="right">—Seth Carrol</div>
|You meant to submit this to ''Why If?: Deeply Ungrammatical Answers to Unanswerable Philosophical Questions''.
|-
|
|'''Slow Dinosaur Apocalypse'''
|''"What if an object like the Chicxulub impactor hit earth with a relatively low relative speed of (let's say) 3 mph"''
<div align="right">—Beni von Alemann</div>
|Even though the meteor is slow, it's still very big. The impactor would not create a crater, but would instead create a weird effect which makes the rock flow like water, creating a large "space dirt pancake" about the same diameter as the Chicxulub impact Crater. If {{w|Jurassic Park}} were a real place, it could certainly cause a dinosaur extinction over there, if dropped on it.
|
|{{book|2|19}}
|
|-
|
|'''Elemental Worlds'''
|''"What if Mercury (the planet) were entirely made of mercury (the element)? What if Ceres was made of cerium? Uranus made of uranium? Neptune made of neptunium? What about Pluto made of plutonium?"''
<div align="right">—Anonymous</div>
|Earth would (mostly) be fine. Mercury, uranium, neptunium, plutonium, and cerium would all replace the old planets. Changes are as follows:
*Pluto would be visible to the naked eye
*Ceres would be visible to the naked eye
*Mercury would be visible to the naked eye
*Uranus would look a fairly bight star in the night sky
*''When Neptune hits your eye, like a big pizza pie, that's an x-ray..''
|
|{{book|2|20}}
| 
|-
|
|'''Tire Rubber'''
|''"Rubber tires on millions of cars and trucks start with about ½" tread and end up bald. Rubber should be everywhere, or at least our highways should be made thicker. Where's the rubber?"''
<div align="right">—Fred</div>
|An average tire sheds about 1.6 liters of rubber over the course of its lifetime (from new to bald). If all tire rubber stuck to the road, it would rise by about a third of a millimeter per year. However, most tire rubber shavings are small enough to drift through the air, or for rain and wind to wash them off the road. Tire rubber is more than enough to cause environmental disruption and it's one of the leading causes of microplastics in our oceans.
|
|{{book|2|25}}
|
|-
|rowspan="10"|
|rowspan="10"|'''Short Answers #3'''
|''"How long do you think two people would have to kiss continuously before they had no lips left?"''
<div align="right">—Asli</div>
|That's not how lips work
|rowspan="10"|
|rowspan="10"{{book|2|26.5}} (S3)
|rowspan="10"|
|-
|''"My college friend and I have had this debate for years now: If you put a million hungry ants in a glass cube with one human, who's more likely to walk out alive?"''
<div align="right">—Eric Bowman</div>
|The human would try to break out of the cube, and probably succeed. Although disgusted, the human would probably be fine. Ants generally do not eat meat, preferring leaves and other foliage. If they escaped, both the human and the ants would go after the person who put them in the glass box. If they did not escape, both the human and the ants would eventually die of suffocation, assuming no air holes were installed.
|-
|''"What if all of humanity set all of their differences aside and work together to level out the Earth into a perfect sphere?"''
<div align="right">—Erik Andersen</div>
|This would quickly create new differences. Even if some magical force were employed to keep humanity centered on making the earth a perfect sphere, it would take many years and be almost impossible to do. Because the Earth is an oblate spheroid, and not a sphere as-is, a lot of land would need to be displaced in order to create a perfect sphere. There would need to be somewhere to put all the water in the oceans, which would need to be removed, and a way to move large amounts of land very long distances. Many cities would be buried, such as Amsterdam (average elevation -6.6').
|-
|''"People talk a lot about a space elevator or a building that would reach into low orbit to save time and resources getting things into space. This is going to sound incredibly stupid, but why has no one proposed building a road into space? Since orbit is generally considered to be 62 miles out, would it be possible to build a 62-mile-high mountain somewhere in the United States? Colorado would be my suggestion, since it has a low population density and is about a mile above sea level already."''
<div align="right">—Brian</div>
|Where are you going to get the materials to build the mountain? Also, Colorado has a lot of people in it.
|-
|''"If I shot a rocket and a bullet through Jupiter's center, would they come out the other side?"''
<div align="right">—James Wilson</div>
|No, as the leading theory is that Jupiter has a solid core. Shooting a bullet through the center would simply cause the bullet to collide with the core of the planet.
|-
|''"What if Mount Everest magically turned into pure lava? What would happen to life; would we all die?"''
<div align="right">—Ian</div>
|We would mostly be okay.
|-
|''"Can you fall down into the Mariana Trench, or would you just swim over it?"''
<div align="right">—Rodolfo Estrella</div>
|You can do both of those things. Assuming what he was trying to say was "Can you swim over the Marianas Trench without falling into it?" the answer is that you would just swim directly over it.
|-
|''"I play Dungeons & Dragons, and my DM doesn't want to let us use the Gust of Wind spell to push wind into the sails of a ship and make it move. Her argument is that you can't use this spell to move a ship because someone on a sailboat can't aim a fan at the sail to propel the boat. We argue that since the spell doesn't push you backward when you use it, then we should be able to use it to make the ship sail. She says she'll allow it only if you say so."''
<div align="right">—Georgia Paterson and Allison Adams</div>
|Since the spell doesn't push you backwards, it should work. If the spell pushed you backwards, you would just have to aim the spell backwards.
|-
|''"What if I struck a match on Titan? Would it light if there's no oxygen?"''
<div align="right">—Ethan Fitzgibbon</div>
| While the match would light initially due to the small amount of oxidizer in a matchhead (typically {{w|potassium chlorate}}, in a safety match), it would quickly dissipate due to the lack of oxygen to titan's atmosphere.
|-
|''"I posted a question on social media asking what would be the smallest change that would create the biggest disaster. One of the responses I got said "if every atom gained 1 proton." So my question for you is, what would happen if every atom gained 1 proton?"''
<div align="right">—Olivia Caputo</div>
|The Earth would become one big, very explosive science experiment. Stable atoms would become unstable, releasing large amounts of energy all at once. Brain matter would cease to be brain matter, and cells would no longer be cells. This would lead to everything dying at once. At least we wouldn't need to experience it.
|-
|
|'''Suction Aquarium'''
|''"When I was a child, I discovered that if I took a container into the swimming pool, I could fill it with water and then bring the container (open-end down) to the surface of the water, and the water level in my container was higher than the water level in the pool. What would happen if you tried to do this with a giant container and the ocean? Could you create a giant aquarium on top of the water that the animals could swim in and out of freely? Maybe an irregularly shaped container that you would walk around on to get closer to the fish?"''
<div align="right">—Caroline Collett</div>
|It would work, but the water level would slowly lower back to sea level over time. However, this process can be accelerated by whale farts. I am not joking.
|
|{{book|2|27}}
|
|-
|
|'''Earth Eye'''
|''"If the Earth were a massive eye, how far would it see?"''
<div align="right">—Alasdir</div>
|Its 'resolution' would be over 500 million times better than a normal human eye. It would be able to see the color of a shirt worn on Mars. It could also see incredibly far objects, such as some of the most distant galaxies that haven't been {{w|redshift}}ed to the point of being infrared. However, a planet-sized eye would be inconvenient, as it would certainly go blind from the Sun and could be damaged from nearby stars as well.
|
|{{book|2|28}}
|
|-
|
|'''Build Rome in a Day'''
|''"How many people would it take to build Rome in a day?"''
<div align="right">—Lauren</div>
| It would take anywhere between 15 minutes and 150 minutes with the whole Earth working.
|
|{{book|2|29}}
|
|-
|
|'''Mariana Trench Tube'''
|''"If I put an indestructible 20-meter-wide glass tube in the ocean that goes all the way down to the deepest part of the ocean, what would it be like to stand at the bottom? Assuming the sun goes directly overhead."''
<div align="right">—Zoki Čulo</div>
|You would likely see many new and undiscovered species. You would also be incredibly cold as the freezing waters of the deep would cool the glass. Getting up would be another problem entirely. If you didn't use an elevator, you could break the glass. That would create a geyser, accelerating you upwards at lethal G-forces. Once you reach the surface, you would fly high into the air before crashing back down into the ocean. Also, you would be heralded as a hero by a lot of marine biologists.
|
|{{book|2|30}}
|
|-
|
|'''MRI Compass'''
|''"Why don't compasses point toward the nearest hospital because of the magnetic fields created by MRI machines?"''
<div align="right">—D. Hughes</div>
|They actually do, but only within ~10 meters.
|
|{{book|2|32}}
|
|-
|
|'''Ancestor Fraction'''
|''"I noticed recently that the number of people within a family tree increases exponentially with each generation: I have 2 parents, 4 grandparents, 8 great-grandparents, and so on. Which got me thinking—are most people descended from the majority of Homo sapiens who have ever lived? If not, what fraction of all the people that have ever lived am I descended from?"''
<div align="right">—Seamus</div>
|Likely between 2-3 twenty-fourths of all humans who have ever lived.
|
|{{book|2|33}}
|
|-
|
|'''Bird Car'''
|''"I'm a lowly college student stuck in a car without AC. As such, the windows are down most of the time when I'm driving, and I started thinking: If a bird happens to match my speed and direction perfectly, and I swerve to catch the bird in my car ... what happens next, other than an angry bird? Does the bird stay right where it was? Fly into the windshield? Drop into the seat? My roommate and I disagree. Any help settling this would really make all our lives easier."''
<div align="right">—Hunter W.</div>
| The bird would fall onto the seat at an angle, and then would fly out of the window (hopefully).
|
|{{book|2|34}}
|
|-
|rowspan="4"|
|rowspan="4"|'''Weird & Worrying #2'''
|colspan="2"|''"What would happen if you put the end of a vacuum hose up to your eye and turned on the vacuum?"''
<div align="right">—Kitty Greer</div>
|rowspan="4"|
|rowspan="4"{{book|2|35.5}} (W2)
|rowspan="4"|
|-
|colspan="2"|''"Is it possible to hold your arm straight out of a car window and punch a mailbox clean off its pole? Could you do it without breaking your hand?"''
<div align="right">—Ty Gwennap</div>
|-
|colspan="2"|''"If people's teeth kept growing, but when they were fully grown they come off and are swallowed, how long would it take before it causes any problems?"''
<div align="right">—Valen M.</div>
|-
|colspan="2"|''"In a defensive situation, how much epinephrine (in a EpiPen) would it take to subdue a possible attacker?"''
<div align="right">—Henry M.</div>
|-
|
|'''Vacuum Tube Smartphone'''
|''"What if my phone was based on vacuum tubes? How big would it be?"''
<div align="right">—Johnny</div>
| The phone would be about the size of one to five city blocks, and would melt its way through the Earth's crust. Conversely, the UNIVAC constructed with modern electrical components would be smaller than a grain of salt.
|
|{{book|2|36}}
|
|-
|
|'''Eat a Cloud'''
|''"Could a person eat a whole cloud?"''
<div align="right">—Tak</div>
|Not unless you can squeeze the air out first. If you don't you will burp out more cloud than you ate.
|
|{{book|2|38}}
|
|-
|
|'''Tall Sunsets'''
|''"Let's say that two people of different heights (159 cm and 206 cm) stand beside each other while looking at the sunset. How much longer will the taller person be able to see the sun than the shorter one?"''
<div align="right">—Rasmus Bunde Nielson</div>
|Over a second longer.
|
|{{book|2|39}}
|
|-
|
|'''Sisyphean Refrigerators'''
|''"Suppose everyone with a fridge or a freezer opened them at the same time, outdoors. Would that amount of cooling be able to noticeably change the temperature? If not, how many fridges would it take to lower the temperature, say, 5 degrees F? What about even lower?"''
<div align="right">—Nicholas Mittica</div>
|Refrigerators don't work like that, and would likely increase global temperatures by 0.3 degrees celsius. The infinite spite of Hades is surprisingly green.
|
|{{book|2|41}}
|
|-
|
|'''Basketball Earth'''
|''"You know how when you spin a basketball on your finger you hit the side to make it go faster and balance it? If a meteor passes close enough to the earth, can it make the Earth spin faster like your hand does the basketball?"''
<div align="right">—Zayne Freshley</div>
|Yes.
|
|{{book|2|43}}
|
|- 
|
|'''Inhale a Person'''
|''"If house dust comprises up to 80 percent dead skin, how many people worth of skin does a person consume/inhale in a lifetime?"''
<div align="right">—Greg</div>
|You could inhale at most 3 gallons of human skin in a lifetime, and dust is not mostly dead skin. Instead it is a cursed salad of soil, pollen, cotton fibers, crumbs, powdered sugar, glitter, pet hair and dander, plastic, soot, human or animal hair, flour, glass, smoke, mites, and various miscellaneous gunk.
|
|{{book|2|45}}
|
|-
|
|'''Candy Crush Lightning'''
|''"How many Wint-O-Green Life Savers would it take to create a life-size lightning bolt if you crushed them"''
<div align="right">—Violet M.</div>
|Billions
|
|{{book|2|46}}
|
|-
|rowspan="13"|
|rowspan="13"|'''Short Answers #4'''
|''"Can humans safely eat rabid creatures?"''
<div align="right">—Winston</div>
|No.
|rowspan="13"|
|rowspan="13"{{book|2|46.5}} (S4)
|rowspan="13"|
|-
|''"What if the Earth's core suddenly stopped producing heat?"''
<div align="right">—Laura</div>
|We would be mostly fine. While one may picture a scenario similar to ''The Core'', the difference would only be noticed long after you're gone, so you don't really need to worry about it :)
|-
|''"Could humanity, with our current technology, destroy the Moon?"''
<div align="right">—Tyler</div>
|No.
|-
|''"Can global warming cause the Earth's magnetic fields to weaken?"''
<div align="right">—Pavaki</div>
|No.
|-
|''"If you used a laser, would you be able to bake something?"''
<div align="right">—Andrew Liu</div>
|Yes.
|-
|''"What if Earth was sliced in half, like an apple? Where should you be such that you have the best chance of survival?"''
<div align="right">—Anonymous</div>
|You should be holding the object that's slicing the Earth.
|-
|''"What would happen if a person dropped into a pool full of jellyfish?"''
<div align="right">—Lorenzo Belotti</div>
|It depends on the species.
|-
|''"Would it be possible to make a house floor into a massive air hockey table, so you could move heavy furniture across the room?"''
<div align="right">—Jacob Wood</div>
|Yes, and now I know what my next home improvement project will be.
|-
|''"My 7-year-old son asked us over dinner recently at which point potatoes melt (I assume in a vacuum). Please advise."''
<div align="right">—Steffen</div>
|Potatoes don't really melt at any temperature. Also, do you automatically add 'in a vacuum' to anything your son says?
|-
|''"Would a pigeon be able to make it to space if it was not affected by gravity?"''
<div align="right">—Nick Evans</div>
|No. The air in the upper atmosphere is too thin to breathe and too cold
|-
|''"If you were flying blind through the Milky Way what would be the odds of hitting a star or planet?"''
<div align="right">—David</div>
|If you flew edge-on, it would be about 1 in 10 billion.
|-
|''"On various bodies in our Solar System (feel free to group any that are equivalent), roughly how long could you survive on the surface (for gas giants, assume you are on a magical platform at some point in the atmosphere that you could reasonably treat as the surface) with nothing but an infinite air supply and warm winter clothing? That is, no helmet, no pressure suit, just a nose-and-mouth air mask attached to a magic air generator, and clothing that would be suitable for, say, Chicago in winter. (No cute tricks like using the magic air supply to generate heat or whatever.)"''
<div align="right">—Melissa Trible</div>
|
*Earth: 100-ish years
*Venus: Weeks to months
*Everywhere else: Minutes to hours
Venus would be great if it weren't for the sulfuric acid.
|-
|''"What would happen if someone dropped an anvil on you from space?"''
<div align="right">—Sam Stiehl</div>
|About the same as if someone dropped an anvil on you from a building.
|-
|
|'''Toasty Warm'''
|''"What if I want to heat my house using toasters. How many do I need?"''
<div align="right">—Peter Ahlström</div>
|Not many, because the house would quickly catch on fire.
|
|{{book|2|47}}
|
|-
|
|'''Eyeball'''
|''"If I pulled out my eyeball and aimed it so that it was looking into my other eyeball, what would I see (assuming the nerves and veins remain undamaged)"''
<div align="right">—Lenka</div>
|You would see an eye superimposed with your head and the background of the room overlapping.
|
|{{book|2|49}}
|
|-
|
|'''Japan Runs an Errand'''
|''"If ALL of Japan's islands disappear, would it affect Earth's natural phenomena (plates, oceans, hurricanes, climate, and so on)?"''
<div align="right">—Miyu Uchida</div>
|Yes, it most certainly would. The sea of Japan would mix with the Pacific ocean now that the wall that separated them is gone. This would cause unpredictable changes to those currents, affecting many life forms who live in that area. Japan, though being small, weighs quite a lot, and the sudden removal of all that weight would cause massive shifts in ocean levels. Depending on the region, some sea levels would rise/fall by up to a foot, causing mass panic for cities that now have a sudden risk of flooding at a moment's notice. Tsunamis would devastate the Korean Peninsula, Hawaii, and the west coast of America.
|
|{{book|2|50}}
|
|-
|
|'''Read All the Laws'''
|''"If a person wanted to read all of the governing documents that apply to them—from the federal and state constitutions, treaties, agency-issued regulations, federal and state laws, local ordinances, etc.—how many pages would they have to read?"''
<div align="right">—Keith Yearman</div>
|Between 145000 and 12.3 million pages.
|
|{{book|2|52}}
|
|-
|rowspan="3"|
|rowspan="3"|'''Weird & Worrying #3'''
|colspan="2"|''"If I were to jump into a container of liquid nitrogen (or dispose of a body that way), how deep would it have to be for me/them to shatter into frozen pieces at the bottom?"''
<div align="right">—Stella Wohnig</div>
|rowspan="3"|
|rowspan="3"{{book|2|52.5}} (W3)
|rowspan="3"|
|-
|colspan="2"|''"What would happen to you if a colony of ants suddenly appeared in you bloodstream all at once?"''
<div align="right">—Matt, on behalf of Declan</div>
|-
|colspan="2"|''"If Harry Potter forgets where the invisible entrance to Platform 9¾ is, how long would he have to crash into walls randomly before discovering it?"''
<div align="right">—Max Planker</div>
|-
|
|'''Snowball'''
|''"What if I tried to roll a snowball from the top of Mount Everest? How big would the snowball be by the time it reached the bottom and how long would it take?"''
<div align="right">—Michaeline Yates</div>
|It would remain about the same size, or it could cause an avalanche. Since the peak of {{w|Mount Everest}} is above the clouds, it is very dry there. For a snowball to grow, wet snow is required. The result would be similar to rolling a hamburger down.
|
|{{book|2|54}}
|
|-
|
|'''Walking Backward in Time'''
|''"What if you decided to walk from Austin, Texas, to New York City, but every step takes you back thirty days?"''
<div align="right">—Jojo Yawson</div>
| The sky would flicker at 50 Hz, and you would arrive around 300,000 years in the past.
|
|{{book|2|56}}
|
|-
|
|'''Ammonia Tube'''
|''"What would happen if you fed ammonia into your stomach through a tube? How fast must the flow rate be to burn your stomach from the heat released? What would the newly created chlorine gas do to your stomach?"''
<div align="right">—Becca</div>
|{{w|Ammonia}} is an {{w|EPA list of extremely hazardous substances|extremely hazardous substance}} and pumping it into your abdomen would result in a painful death due to ammonia toxicity. However, at the very least, some of it would be neutralized with your stomach acid.
|
|{{book|2|57}}
|
|-
|rowspan="7"|
|rowspan="7"|'''Short Answers #5'''
|''"Could life evolve in a constantly running microwave?"''
<div align="right">—Abby Doth</div>
|No.
|rowspan="7"|
|rowspan="7"{{book|2|58.5}} (S5)
|rowspan="7"|
|-
|''"Tonight at my work as an ER nurse in the emergency room, a patient (high on methamphetamine) asked for a cup of water. I returned with a paper cup of water, which the patient promptly threw at my head, missing me but hitting the wall in such an improbable way that the open top of the cup impacted the wall and the cup contained/diminished most of the subsequent splatter. It occurred to me that it might be possible to throw a cup of water hard enough that the container of water would go through the wall. Is this possible?"''
<div align="right">—Pete</div>
|Anything will go through a wall if you throw it hard enough
|-
|''"How slow would you have to chew in order to be able to infinitely consume breadsticks?"''
<div align="right">—Miller Broughton</div>
|You would have to divide each breadstick into 20 bites, chewing each bite 200 times at 1 chew per second.
|-
|''"If you were somehow to remove the white and yolk from inside an eggshell (chicken), and replace them with helium, would the eggshell float in the air?"''
<div align="right">—Elizabeth</div>
|No. An eggshell weighs more than the air it displaces.
|-
|''"What would stars smell like, if it were possible to smell them?"''
<div align="right">—Finn Ellis</div>
|Due to the free hydrogen molecules floating around in there, it would taste incredibly sour. It would also smell like burning rubber, as stars are made up of the same components.
|-
|''"What is the average size for every man-made object on the planet?"''
<div align="right">—Max Carver</div>
|Not too big, not too small. About average.
|-
|''"E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E<wbr>E"''
<div align="right">—Nate Yu</div>
|I feel you, Nate.
|-
|
|'''Dog Overload'''
|''"Assuming 1 out of every 4 people has a 5-year-old dog, and the dog reproduces once every year, with 5 puppies, and the puppies start reproducing at 5 and stop at 15 and die at 20, how long would it take for the Earth to be flooded with puppies, assuming we have all the food, water, and oxygen to sustain them?"''
<div align="right">—Griffin</div>
|This is unrealistic right from the start. This assumes the total dog population is 2 billion, which is well above current estimates. A timeline of major events and milestones is listed below.
*After one year, there are enough dogs for everyone to have at least one.
*After 5 years, every human has an average of 6 or 7 dogs.
*After 11 years, Disney releases ''101 Dalmations per Capita'', after there are 101 dogs per person
*After 15 years, the first dogs die, but the death is fully insignificant.
*After 20 years, dogs would only be about 1 meter apart on average.
*After 25-30 years, the dogs begin to stack.
*At about 40 years, the exponential growth is "stable". The population is multiplying by about 1.6578 each year.
*After 65 years, the population of dogs reaches 1 mol
*After 110 years, the dogs start to undergo relativistic collapse
*After 150 years, the dogs are bigger than the solar system.
*After 197 years, the expansion of the dog sphere surpasses 1''c''
*After 200 years, the dogs reach sirius.
*After 250 years, the dogs envelop the milky way.
*After 330 years, the dogs reach the edge of the observable universe.
*After 417 years, Disney releases ''10<sup>101</sup> Dalmations.''
|
|{{book|2|60}}
|
|-
|
|'''Sunscreen'''
|''"Assuming that SPF works as it purports, what SPF would you need for a 1-hour trip to the surface of the sun?"''
<div align="right">—Brian and Max Parker</div>
|You would need SPF 3,200,000 or a giant blob of sunscreen. Despite its name, sunscreen only protects against some types of radiation from the Sun. No amount is going to be adequate protection if you are right inside the Sun. Also, sunscreen, being a gel, would evaporate when exposed to vacuum. When exposed to the plasma of the coronal surface or the Sun's interior, it would quickly ionize along with anything inside it, becoming plasma like the rest of the Sun.
|
|{{book|2|62}}
|
|-
|
|'''Walking on the Sun'''
|''"After the Sun runs out of fuel, it will become a white dwarf and slowly cool. When will it be cool enough to touch?"''
<div align="right">—Jabari Garland</div>
|The Sun will cool to room temperature in about 20 billion years. However, survival would not be an option.
|
|{{book|2|63}}
|
|-
|
|'''Lemon Drops and Gumdrops'''
|''"What if all the raindrops were lemon drops and gumdrops?"''
<div align="right">—Shuo Peskoe-Yang</div>
|Human civilization would collapse, and we would all die. Also, the oceans would be turned into saltwater taffy and most life would be destroyed by too much sugar.
|
|{{book|2|64}}
|
|-
|
|'''Bonus Chapter'''
|''"...but what if we tried even ''more'' power?"''
<div align="right">—Randall Munroe</div>
| This is a continuation of {{what if|13|13: Laser Pointer}}. Adding even more power than the end of that article would heat the air so much that the lasers would stop themselves long before reaching the Moon. Even if we managed to get them to hit the Moon, the plasma created would be so hot that it would stop anyway.
|
|{{book|3|70}}
|{{book|19|2024|12|03|jgafb8G7i4o|But what if we tried MORE power?}}
|-
|}<noinclude>

<span id="Editors"><big><big>'''Editors'''</big></big></span> ㅤ ''[[#Article index|(jump back to table)]]''

These templates are used in this table: {{tl|what if}}, {{tl|What If}}, {{tl|book}}, {{tl|blog}}.

<big>'''Add YouTube video'''</big>

<nowiki>{{book|YT-NUMBER|YYYY|MM|DD|</nowiki><font color="SeaGreen">'''''<nowiki>HTTPS://LINK</nowiki>'''''</font>|VIDEO-TITLE}}
'''EXAMPLE:''' <nowiki>{{book|</nowiki><font color="SeaGreen">'''''2'''''</font>|<font color="SeaGreen">'''''2022'''''</font>|<font color="SeaGreen">'''''12'''''</font>|<font color="SeaGreen">'''''31'''''</font>|<font color="SeaGreen">'''''https://www.youtube.com/watch?v=2LSyNhb5Y'''''</font>|<font color="SeaGreen">'''''What if everyone pointed a laser at the moon?'''''</font>}}

<big>'''Add book chapter'''</big>

For the first [[What If? (book)|What If? book]]:
<nowiki>{{book|</nowiki><font color="SeaGreen">'''''1'''''</font>|<font color="SeaGreen">'''''CHAPTER-NUMBER'''''</font>}}

For the second [[What If? 2]] book:
<nowiki>{{book|</nowiki><font color="SeaGreen">'''''2'''''</font>|<font color="SeaGreen">'''''CHAPTER-NUMBER'''''</font>}}

'''EXAMPLE:'''<nowiki>{{book|</nowiki><font color="SeaGreen">'''''2'''''</font>|<font color="SeaGreen">'''''69'''''</font>}}

If an article is available exclusively on the third book ([[What If? 10th Anniversary Edition]]) and not in the first two, use this:
<nowiki>{{book|</nowiki><font color="SeaGreen">'''''3'''''</font>|<font color="SeaGreen">'''''CHAPTER-NUMBER'''''</font>}}
<big>'''Link to a ''what if?'' article'''</big>

On this wiki, an easy way to link to a given ''what if?'' article is by using the {{Template|what if}} template. Copy and paste the text below, correcting the number and title (highlighted in green) to get this result:

'''EXAMPLE:'''
See the <nowiki>''[[what if? (blog)|what if?]]'' article ''{{what if|</nowiki><font color="SeaGreen"><ins>'''''158'''''</ins></font>|<font color="SeaGreen"><ins>'''''Hot Banana'''''</ins></font>}}<nowiki>''</nowiki>.
'''RESULTS IN:'''
See the ''[[what if? (blog)|what if?]]'' article ''{{what if|158|Hot Banana}}''.

NOTE: Since the blog releases are now random, please write a comment on [[{{LATESTCOMIC}}#Discussion|the newest comic's talk page]] to announce that a new ''what if?'' article is out.

<big>'''Add name of reader who asked the question.'''</big>

Here's how to add the name(s) to any question on the table. For example, this...
<nowiki>|''"What if all the raindrops were lemon drops and gumdrops?"''
|Human civilization would collapse, and we would all die.</nowiki>
... becomes this:
<nowiki>|''"What if all the raindrops were lemon drops and gumdrops?"''
<div align="right"></nowiki>'''—'''<font color="SeaGreen">'''''InsertNamesHere'''''</font><nowiki></div>
|Human civilization would collapse, and we would all die.</nowiki>
Copy the code and replace the green part! (NOTE: It uses the em-dash, not a normal hyphen, so don't replace the dash, or use <code>&mdash;</code>.) Transcribe it exactly as it is written on the website or book, including parenthesis and age, if given by Randall. '''Protip for desktop users:''' the text looks ALL CAPS on the site, but if you copy and paste it, it's in normal Sentence Case. You can simply copy and paste.

''[[#Article index|(jump back to table)]]''
<span id="bottom"></span>
{| style="border: 1px solid {{{border|gray}}}; background-color: {{{color|#fdffe7}}};"
|rowspan="2" style="vertical-align:middle;" | {{{{{|safesubst:}}}#ifeq:{{{2}}}|alt|[[File:What If Barnstar.jpeg|100px]]|[[File:What If Barnstar.jpeg|100px]]}}
|rowspan="2" |
|style="font-size: x-large; padding: 0; vertical-align: middle; height: 1.1em;" | '''The What If? Project Barnstar'''
|-
|style="vertical-align: middle; border-top: 1px solid gray;" | <div style="font-family: Cormorant Garamond"><span style="font-size:5pt;color:black">

* <span style="background-color:#9eff9e;"><span style="color:green; font-size:1.4em;">''' ✓'''</span><big> '''Added: '''</big></span> All ~140 book-exclusive articles, each color-coded by book; reader question and Randall's answer for almost all ~70 [[What If? 2]]-exclusive articles; EVERY YouTube video and its associated article; over new 130 thumbnails uploaded; new article from [[What If? 10th Anniversary Edition|the new book]] and the [[what if? (blog)#top|deleted article]].

* <span style="background-color:#9eff9e;"><span style="color:green; font-size:1.4em;">''' ✓'''</span><big> '''Changes: '''</big></span> Merged columns No., Release date, and Weeks since last release; every column now easily sortable; columns Blog, Book (new), and YouTube (new) now use {{template|blog}} and {{template|book}} and are color-coded; split ''Short-Answer Sections'' into different cells; title bold and question italics and quoted!

----

Great Job to everyone who helped out on this project! If you helped out explain the articles or build the table, feel free to sign here: '''[[User:42.book.addict|<span style="font-family:Cormorant Garamond;font-size:9pt;color:#A9C6CA">42.book.addict</span>]]<sup>[[User talk:42.book.addict|<span style="font-family:Cormorant Garamond;font-size:6pt;color:#516874">Talk to me!</span>]]</sup>''' 17:44, 14 February 2025 (UTC), [[User:WriterArtistCoder|WriterArtistCoder]]<sup>[[User talk:WriterArtistCoder|talk to me]]</sup> 21:56, 11 March 2025 (UTC), [[User:FaviFake|FaviFake]] ([[User talk:FaviFake|talk]]) 15:53, 12 March 2025 (UTC) --'''''[[User:DollarStoreBa'al |<span style="font-family:Atomic Age;font-size:12pt;color:red;">DollarStoreBa'al</span>]]<sup>[[User talk:DollarStoreBa'al |'''''Converse''''']]</sup>[[DSBContribs |'''''My life choices''''']] 23:30, 14 June 2025 (UTC)

[[Category:What If?| 9]]{{xkcdmeta}}

Talk:3148: 100% All Achievements

2025-09-30T05:32:25Z

2.50.0.22:

... Bruh I wanted to see the explanation but there wasn't one lol [[User:TheTrainsKid|TheTrainsKid]] ([[User talk:TheTrainsKid|talk]]) 03:36, 30 September 2025 (UTC)
I was going to make it, but by the time i finished, it said it couldn't be published - someone had made a better one while i was making it. who'd've thought. --[[Special:Contributions/2.50.0.22|2.50.0.22]] 05:32, 30 September 2025 (UTC)

3143: Question Mark

2025-09-29T08:05:53Z

2.50.0.22: /* Explanation */

{{comic
| number = 3143
| date = September 17, 2025
| title = Question Mark
| image = question_mark_2x.png
| imagesize = 380x463px
| noexpand = true
| titletext = Although now people will realize three-per-em space that all this time I've been using weird medium mathematical space whitespace characters in my hair space hair space hair space speech dot dot dot...
}}

==Explanation==
{{incomplete|This page was created by a BOT TIRONIAN ET ⹒ MULTIPLE HUMANS PERIOD. Don apostrophe ' t remove this notice too soon period.}}

In colloquial English, the phrase "{{wiktionary|question_mark#Particle|question mark}}" is sometimes added to the end of a statement to give an exaggerated or emphasized impression of its uncertainty, as if the question mark in a written representation of the utterance should be spoken aloud instead of remaining implicit in the {{w|Intonation (linguistics)#English|rising intonation}}. This may be to reinforce true questions in dialects that exhibit a {{w|high rising terminal}} even for normal statements, to signal that a sentence is meant to be interrogative despite not following the typical structure of a question, or even just for effect. Here, the phrase “[it is] maybe even the greatest movie of all time” is structured like a standard declaration of fact, and so verbalizing the question mark helps clarify that the statement is made in order to request a (hoped for) confirmation, or at least acquiescence.

Saying "question mark" appears to be a relatively new phenomenon, at least in terms of gaining meaningful adoption, and such linguistic novelties can often cause irritation or discomfort among those outside of their usage groups. When [[Hairy]] does this, [[Cueball]] feels compelled to respond by doing the same with other punctuation marks, and even other matters of formatting, such as typographical emphasis, a paragraph break, and whitespace. Whether he does this to try to fit in, or as a form of 'revenge' for a perceived linguistic abuse, is unclear.

Generally, speaking punctuation and formatting out loud is considered strange, though there are some forms of it that are accepted, and it is possible that the same will become true of "question mark" over time. Sometimes the word "period" (US English) or "full-stop" (British, Irish and Commonwealth English) is spoken or written as a syntactic tail to the end of a sentence, just before the nominally unspoken punctuation of the same name (although often more in the context of an exclamation), to declare that there can be no dispute nor further discussion about what is being stated. An example might be, "That's the end of the matter. We're leaving Friday, period." Other examples would be "asterisk", indicating the statement is not absolute and has caveats, such as "You should buy a ticket and see that movie - asterisk [it's kind of expensive though]", while a feeling of incompleteness or foreboding is sometimes evoked by speaking the phrase "dot dot dot" at the end of a sentence, reflecting the use of an ellipsis to indicate an ominous unwritten continuation.

Cueball mentions the film ''{{w|Charlie's Angels: Full Throttle}},'' illustrating the common use of italics to indicate titles of films (as well as other works, including books, albums and series, depending on the stylebook used) and colons to separate subtitles from titles. From the context, Hairy and Cueball had strong but opposite opinions about the merits of this film.

The title text reads, "Although now people will realize three-per-em space that all this time I've been using weird medium mathematical space whitespace characters in my hair space hair space hair space speech dot dot dot...". Randall uses, and {{tvtropes|ReadingTheStageDirectionsOutLoud|vocalizes}}, three different whitespace characters in this statement. Specifically, the three-per-em space (U+2004), the medium mathematical space (U+205F), and the hair space (U+200A). Normally they'd be used for typesetting mathematical formulae and in {{w|microtypography}}, without any expected audible distinction or meaning beyond text-placement and alignment in printed media. The three spaces are all pretty close in width to ordinary inter-word white space, making it unlikely anyone would notice them without Randall explicitly naming them in the text.

Translated, it looks like:
{| class="wikitable"
|-
! Characters in title text
| "<span style='white-space: break-spaces;'>Although now people will realize<span style='background-color:#808080;'> </span>that all this time I’ve been using weird<span style='background-color:#808080;'> </span>whitespace characters in my<span style='background-color:#444;'> </span><span style='background-color:#aaa;'> </span><span style='background-color:#444;'> </span>speech...</span>"
|-
! Ordinary whitespace
| "<span style='white-space: break-spaces;'>Although now people will realize<span style='background-color:#808080;'> </span>that all this time I’ve been using weird<span style='background-color:#808080;'> </span>whitespace characters in my<span style='background-color:#808080;'> </span>speech...</span>"
|}

Pronouncing punctuation used to be a staple of {{w|Dictation (exercise)|dictation}}, especially in the 20th century, when secretaries taking dictation to type letters were more commonplace. The expression "…, {{wiktionary|period#Interjection|period}}" or "…, {{wiktionary|full stop#Interjection|full stop}}", taken to mean "…and that's final", originates from this usage.{{acn}} Since Cueball is pronouncing all other punctuation marks as well, his final "period" denotes only the mark and not the common expression, especially since the latter would usually require mention of the comma before and then an ''additional'' spoken "period" after. Dictated punctuation is still used today in some software that supports {{w|speech recognition}} for text entry, such as [https://cloud.google.com/speech-to-text/docs/spoken-punctuation Google Docs] and many smartphone keyboards' text-to-speech functions, so a person can send a text message with the precise punctuation intended.

The Kooblen, in Phil Foglio's <i>Buck Godot</i> setting, [https://web.archive.org/web/20150428205448/http://www.airshipentertainment.com/buckcomic.php?date=20070125 speak in this way] to express punctuation.

See (and hear) also Victor Borge's [https://www.youtube.com/watch?v=TIf3IfHCoiE "Phonetic Punctuation"] sketch in its various forms, in which a variety of vocal sounds are used to make punctuation explicit.

==Transcript==

:[Hairy and Cueball are both walking to the right.]
:Hairy: That movie was so good. Maybe even the greatest movie of all time question mark?
:Cueball: Yeah comma, but you said that about italics ''Charlie's Angels Colon: Full Throttle'' period. Paragraph break.
:Cueball: I question your judgment period.
:[Caption below the panel:]
:When people say "question mark" out loud as a rhetorical device, it always makes me want to say my other punctuation and formatting too.

{{comic discussion}}<noinclude>
[[Category:Comics featuring Hairy]]
[[Category:Comics featuring Cueball]]
[[Category:Language]]
[[Category:Movies]]

3106: Farads

2025-09-24T05:28:31Z

2.50.0.22: /* Explanation */

{{comic
| number = 3106
| date = June 23, 2025
| title = Farads
| image = farads_2x.png
| imagesize = 677x253px
| noexpand = true
| titletext = 'This HAZMAT container contains radioactive material with activity of one becquerel.' 'So, like, a single banana slice?'
}}

==Explanation==

In the comic, [[Cueball]] shows off several items that comprise approximately one of a given unit to [[Megan]] and [[White Hat]]. The first three — {{w|Metre|meter}}s, {{w|Pound (mass)|pound}}s and {{w|volt}}s — are all units of which "1" is a not extraordinary amount for an item that can be easily held in the hand. As such, they elicit minimal reaction from Megan and White Hat. A meter (a unit of length) is visually verifiable; a pound (a unit of weight) is easy to hold in the hand; and a volt (V, a unit of electric potential) would cause minimal harm even if discharged. White Hat's remark that the battery "might need a recharge" refers to the fact that 1 V batteries are somewhat uncommon, but a battery with a larger voltage like an {{w|AA battery|AA}}, {{w|C battery|C}} or {{w|D battery|D}} cell (typically up to 1.5 V) might read as 1 V if significantly depleted, which is likely to make most electrical devices stop working or have performance decline.

In contrast, 1 {{w|farad}} is an unusually large amount of capacitance. Capacitance is the ability to store charge, a large amount of which could be dangerous. In common use, most consumer electronics use capacitors in the picofarad to millifarad range, and 1 millifarad is already considered a "large" capacitor. A 1-farad capacitor is considered a supercapacitor (and some of which are pseudocapacitors, not strictly capacitors). Cueball claiming to have a 1 farad capacitor elicits panic from Megan and White Hat, who fear that {{w|Capacitor#Hazards and safety|it could be very dangerous}}.

For the same charging voltage and load/resistance, a larger capacitor won't deliver greater current or instantaneous power than a smaller one, but the total amount of energy and duration of discharge would be proportionally longer. If the capacitor's wires accidentally touch each other or a third piece of metal, an accidental "short circuit" is created, and all of the capacitor's stored energy discharges very quickly. For example, a 1 farad capacitor charged to 10 volts stores 50 joules of energy, and discharging all of that into a copper wire could cause the wire to heat up by a few dozen degrees Celsius faster than the blink of an eye and cause serious burns (see the [https://old.reddit.com/r/xkcd/comments/1ljxvdo/do_i_not_understand_what_a_capacitor_is/mzqg7ug/ calculation]). Large capacitors are often associated with larger voltages and heavy machinery, which can contribute to the feeling of caution around large capacitances.

The title text explores the inverse situation, where “1” of a unit is a very <b>small</b> amount. A {{w|becquerel}} (Bq) amounts to one radioactive atomic decay per second, which is a really low level of radioactivity. As observed, the material in question could be a single slice of a banana (primarily due to the decay of trace {{w|potassium-40}} in the total potassium it contains, a natural proportion of 117 parts per million). Hence, it is both impractical and unnecessary to contain it inside a container for hazardous materials unless the material is dangerous for other reasons (such as corrosiveness, flammability, or overripeness). For comparison, a 70 kg human body itself [https://web.archive.org/web/20200220103556/https://radioactivity.eu.com/site/pages/Activity_Doses.htm has an activity of 8000 Bq], and the {{w|Chernobyl disaster|1986 meltdown of the Chernobyl nuclear power plant}} (better known as the time "[[2163: Chernobyl|we banged some rocks together too hard]]") released [https://pubmed.ncbi.nlm.nih.gov/10628087/ 2×10<sup>18</sup> (which is 2,000,000,000,000,000,000) Bq]. The earlier common unit for radioactivity is the {{w|Curie (unit)|curie}}, originally defined as the decay rate of 1 gram of radium. It has since been redefined to be 3.7×10<sup>10</sup> decays/second, i.e., 37 GBq. Radioactive material emitting 1 curie that is small enough to fit into a container for hazardous materials is dangerous enough that it probably ''should'' be in one. Bananas as a unit of measurement for radiation exposure are also discussed in the [[Radiation]] chart.

==Transcript==
: [Cueball holds a stick while talking with Megan and White Hat.]
: Cueball: This stick is one meter long.
: Megan: Cool.
: White Hat: That's a nice stick.

: [Cueball holds a smallish rock.]
: Cueball: This rock weighs one pound.
: Megan: I'd believe it.
: White Hat: Looks like a normal rock.

: [Cueball holds a small battery.]
: Cueball: This battery is one volt.
: Megan: Seems fine.
: White Hat: Might need a recharge.

: [Cueball holds a capacitor while Megan and White Hat panic.]
: Cueball: This capacitor is one farad.
: Megan: <b><em>Aaaaa! Be careful!!</em></b>
: White Hat: Put it down!!

==Trivia==
Of the three 'normal' unit quantities, the battery gets a comment that it might not necessarily be. Common household versions of {{w|electrochemical cell}} will normally be designed to produce around 1.5 volts (though some fairly common other versions go as low as 1.2 V or as high as 2.1 V), with single-/multi-cell {{w|List of battery sizes|batteries in general}} often being rated at a simple multiple of that (e.g. 1.5 V, 4.5 V, 9 V, ...). A cell producing nearer just a single volt, as is pointed out, might be significantly discharged and need recharging. If not replacing entirely, having aged due to too many recharges, as it also definitely would if it is a {{w|primary cell}}.

Also, of all four measures, the {{w|Pound (mass)|pound}} is the only non-SI unit given. A mass of 1 {{w|kilogram}} would also not be too odd a weight to have quoted here, being about 2.2 lb, but may not have been chosen due to its relative unfamiliarity to everyday US readers (even compared to the meter), or else because of its {{w|metric prefix}} (the only one of the {{w|SI base unit}}s, even including the {{w|SI derived unit|derived ones}}, to not be a bare unit) and the gram itself perhaps being even less relatable.

This comic was uploaded very late. Despite the normal three-a-week comic schedule having it come out on Monday, June 23, and being listed on [https://xkcd.com/archive/ xkcd's archive list] for that day, it was actually released well into the next day. This is one of very few times other than [[:Category:April Fools' Day comics|April Fools' comics]] that Randall was so late. The next comic, [[3107]], came out well within its nominal day (Wednesday, and not just by US time zones), such that possibly this comic, of all comics in the usual three-a-week cycle, spent the least time as the "latest" comic before being replaced by the next in its cycle.

{{comic discussion}}<noinclude>
[[Category: Comics featuring Cueball]]
[[Category: Comics featuring White Hat]]
[[Category: Comics featuring Megan]]
[[Category: Physics]]

3106: Farads

2025-09-24T05:27:53Z

2.50.0.22: /* Explanation */

{{comic
| number = 3106
| date = June 23, 2025
| title = Farads
| image = farads_2x.png
| imagesize = 677x253px
| noexpand = true
| titletext = 'This HAZMAT container contains radioactive material with activity of one becquerel.' 'So, like, a single banana slice?'
}}

==Explanation==

In the comic, [[Cueball]] shows off several items that comprise approximately one of a given unit to [[Megan]] and [[White Hat]]. The first three — {{w|Metre|meter}}s, {{w|Pound (mass)|pound}}s and {{w|volt}}s — are all units of which "1" is a not extraordinary amount for an item that can be easily held in the hand. As such, they elicit minimal reaction from Megan and White Hat. A meter (a unit of length) is visually verifiable; a pound (a unit of weight) is easy to hold in the hand; and a volt (V, a unit of electric potential) would cause minimal harm even if discharged. White Hat's remark that the battery "might need a recharge" refers to the fact that 1 V batteries are somewhat uncommon, but a battery with a larger voltage like an {{w|AA battery|AA}}, {{w|C battery|C}} or {{w|D battery|D}} cell (typically up to 1.5 V) might read as 1 V if significantly depleted, which is likely to make most electrical devices stop working or have performance decline.

In contrast, 1 {{w|farad}} is an unusually large amount of capacitance. Capacitance is the ability to store charge, a large amount of which could be dangerous. In common use, most consumer electronics use capacitors in the picofarad to millifarad range, and 1 millifarad is already considered a "large" capacitor. A 1-farad capacitor is considered a supercapacitor (and some of which are pseudocapacitors, not strictly capacitors). Cueball claiming to have a 1 farad capacitor elicits panic from Megan and White Hat, who fear that {{w|Capacitor#Hazards and safety|it could be very dangerous}}.

For the same charging voltage and load/resistance, a larger capacitor won't deliver greater current or instantaneous power than a smaller one, but the total amount of energy and duration of discharge would be proportionally longer. If the capacitor's wires accidentally touch each other or a third piece of metal, an accidental "short circuit" is created, and all of the capacitor's stored energy discharges very quickly. For example, a 1 farad capacitor charged to 10 volts stores 50 joules of energy, and discharging all of that into a copper wire could cause the wire to heat up by a few dozen degrees Celsius faster than the blink of an eye and cause serious burns (see the [https://old.reddit.com/r/xkcd/comments/1ljxvdo/do_i_not_understand_what_a_capacitor_is/mzqg7ug/ calculation]). Large capacitors are often associated with larger voltages and heavy machinery, which can contribute to the feeling of caution around large capacitances.

The title text explores the inverse situation, where “1” of a unit is a very <b>small</b> amount. A {{w|becquerel}} (Bq) amounts to one radioactive atomic decay per second, which is a really low level of radioactivity. As observed, the material in question could be a single slice of a banana (primarily due to the decay of trace {{w|potassium-40}} in the total potassium it contains, a natural proportion of 117 parts per million). Hence, it is both impractical and unnecessary to contain it inside a container for hazardous materials unless the material is dangerous for other reasons (such as corrosiveness, flammability, or overripeness). For comparison, a 70 kg human body itself [https://web.archive.org/web/20200220103556/https://radioactivity.eu.com/site/pages/Activity_Doses.htm has an activity of 8000 Bq], and the {{w|Chernobyl disaster|1986 meltdown of the Chernobyl nuclear power plant}} (better known as the time "[[2163: Chernobyl|we banged some rocks together too hard]]") released [https://pubmed.ncbi.nlm.nih.gov/10628087/ 2×10<sup>18</sup> (that's 2,000,000,000,000,000,000) Bq]. The earlier common unit for radioactivity is the {{w|Curie (unit)|curie}}, originally defined as the decay rate of 1 gram of radium. It has since been redefined to be 3.7×10<sup>10</sup> decays/second, i.e., 37 GBq. Radioactive material emitting 1 curie that is small enough to fit into a container for hazardous materials is dangerous enough that it probably ''should'' be in one. Bananas as a unit of measurement for radiation exposure are also discussed in the [[Radiation]] chart.

==Transcript==
: [Cueball holds a stick while talking with Megan and White Hat.]
: Cueball: This stick is one meter long.
: Megan: Cool.
: White Hat: That's a nice stick.

: [Cueball holds a smallish rock.]
: Cueball: This rock weighs one pound.
: Megan: I'd believe it.
: White Hat: Looks like a normal rock.

: [Cueball holds a small battery.]
: Cueball: This battery is one volt.
: Megan: Seems fine.
: White Hat: Might need a recharge.

: [Cueball holds a capacitor while Megan and White Hat panic.]
: Cueball: This capacitor is one farad.
: Megan: <b><em>Aaaaa! Be careful!!</em></b>
: White Hat: Put it down!!

==Trivia==
Of the three 'normal' unit quantities, the battery gets a comment that it might not necessarily be. Common household versions of {{w|electrochemical cell}} will normally be designed to produce around 1.5 volts (though some fairly common other versions go as low as 1.2 V or as high as 2.1 V), with single-/multi-cell {{w|List of battery sizes|batteries in general}} often being rated at a simple multiple of that (e.g. 1.5 V, 4.5 V, 9 V, ...). A cell producing nearer just a single volt, as is pointed out, might be significantly discharged and need recharging. If not replacing entirely, having aged due to too many recharges, as it also definitely would if it is a {{w|primary cell}}.

Also, of all four measures, the {{w|Pound (mass)|pound}} is the only non-SI unit given. A mass of 1 {{w|kilogram}} would also not be too odd a weight to have quoted here, being about 2.2 lb, but may not have been chosen due to its relative unfamiliarity to everyday US readers (even compared to the meter), or else because of its {{w|metric prefix}} (the only one of the {{w|SI base unit}}s, even including the {{w|SI derived unit|derived ones}}, to not be a bare unit) and the gram itself perhaps being even less relatable.

This comic was uploaded very late. Despite the normal three-a-week comic schedule having it come out on Monday, June 23, and being listed on [https://xkcd.com/archive/ xkcd's archive list] for that day, it was actually released well into the next day. This is one of very few times other than [[:Category:April Fools' Day comics|April Fools' comics]] that Randall was so late. The next comic, [[3107]], came out well within its nominal day (Wednesday, and not just by US time zones), such that possibly this comic, of all comics in the usual three-a-week cycle, spent the least time as the "latest" comic before being replaced by the next in its cycle.

{{comic discussion}}<noinclude>
[[Category: Comics featuring Cueball]]
[[Category: Comics featuring White Hat]]
[[Category: Comics featuring Megan]]
[[Category: Physics]]

3085: About 20 Pounds

2025-09-24T05:25:24Z

2.50.0.22: /* Explanation */

{{comic
| number = 3085
| date = May 5, 2025
| title = About 20 Pounds
| image = about_20_pounds_2x.png
| imagesize = 666x278px
| noexpand = true
| titletext = In addition to gravity, burritos interact through the strong, weak, and electromagnetic forces, which is believed to be a major contributor to their popularity.
}}

==Explanation==
{{incomplete|
*'''The article might be off-topic'''. We should focus on explaining the comic. If this is solved, remove this notice.

*It should probably be divided into one or more sections.}}
The nature of {{w|dark matter}} is a significant {{w|List of unsolved problems in physics|unsolved problem in physics}}. We observe that galaxies spin faster than we expect based on the nearby observable matter. Also, Galaxies seemed more clumped than are supposed to be only observing the normal matter, and this has led to physicists to believe there is non-visible mass that is clumping the galaxies together. Dark matter is the name we give to this mass. In the comic, [[Cueball]] and [[Ponytail]] consult an {{w|oracle}} to learn about dark matter.

The pentagram and candles suggest that the oracle is supernatural, summoned by an occult ritual; something which would present its own challenges to our understanding of the physical world. There may be a pun here, in that they may be using 'dark magic' to communicate with something from the 'dark realm' on the assumption that it will know about dark matter. However, the word 'dark' in dark matter simply means that we do not know how to observe it; we have no evidence that dark matter is evil or satanic, though [[Randall]] may consider it [[:Category:Comics with cursed items|cursed]]. The oracle is used very similarly to how people have been using and customizing {{w|large language model|large language models}}.

In general, not all forces interact with all particles; indeed, {{w|gravity}} is believed to be the only force that interacts with everything we have observed. If a force doesn't interact with a particle, then the particle's existence cannot be directly observed via disturbances in that force. In particular, something that doesn't interact with electromagnetism cannot be 'seen', as photons will pass through it relatively unaffected, and likewise cannot be felt, because collision is a side effect of the {{w|Pauli exclusion principle}}.

Even {{w|neutrino}}s, famous for {{what if|73|interacting with ''almost'' nothing}}, still interact via the {{w|weak force}}, allowing them to be detected with sufficiently large tanks of dense material. This is the main reason neutrinos cannot be dark matter: they interact far too much to be a viable option. A particle that interacts with ''nothing'' except gravity could only be detected by a {{w|LIGO|gravitational telescope}}.

We can theorise the presence of dark matter thanks to how ''something'' interacts with the matter we can see, i.e. the nature of the rotation of far away galaxies implies significant additional mass that does not emit, absorb, reflect ''or'' diffuse light. While there are also other theories which try to account for what we do see, a number of the suggestions are that it is one or other form of unseeable but gravitationally-interactive substance, given the soubriquet of "dark matter".

In trying to determine what form this actually exists in, and on the assumption that if it exists at all then it is also drifting past (and through) our own neighbourhood, experiments here on Earth are trying to detect it using any other means. For example, a popular dark matter candidate is a {{w|weakly interacting massive particle}}, which interacts via the {{w|weak nuclear force}}. Dark matter experiments build large tanks of liquid xenon with a gaseous top, keep them extremely dark, and look for some way in which passing particles might interact and produce electroluminescent scintillations. There are good theoretical reasons to expect some interaction, which would mean the oracle in the comic is lying, but there are no sufficiently conclusive results as of now.

There is one dark matter candidate where the only interaction is overwhelmingly gravitational: black holes formed through collapse in the early Universe. These {{w|primordial black holes}} may not be detectable through any terrestrial experiment. However, even these objects can be found through their lensing effects if they are sufficiently large and common to account for the 'missing mass' we are looking for. Black holes of around 10 kg would also likely quickly evaporate through Hawking radiation, so are not a good dark matter candidate. Black holes of around asteroid mass would be extremely hard to detect and are a good dark matter candidate given current information.

The particle's mass is described vaguely as ''about twenty pounds'', roughly 10 kilograms, in line with how all-knowing oracles legendarily use ambiguous statements. This is a ludicrous amount of energy for particle physics. Any interaction would have to involve an equally ludicrous amount of other particle mass being in exactly the right place and time, a coincidence that might be so rare that one would not expect it to occur ever in the history of the universe. By comparison, the {{w|top quark|heaviest single particle}} we have observed, with a mass over a hundred times that of the proton, is around a tenth of a trillionth of a trillionth of a pound.

Under more normal circumstances, we might still hope to observe the properties of the particle via creating it ourselves under controlled laboratory conditions. But again, there is no reasonable way to focus the energy required into a single particle interaction. The {{w|Large Hadron Collider|most powerful particle accelerator in the world}}, for example, peaks at about ten thousand times the mass of the proton (a solid billion times less energy than required) so it's out too. 20 pounds is about 2.6e36 eV which is way over any accelerator could achieve in the foreseeable future.

Despite all this, twenty pounds is also much too ''small'' to be detectable via gravitational interaction; its {{w|Perturbation (astronomy)|influence on the orbits of planets}}, say, or the strength of its {{w|gravitational lensing}} effect, would be entirely negligible. In the scenario posed by the comic, then, there is no plausible way to observe more about dark matter while on Earth. Even if we did find some such particles naturally occurring, and had instruments that could measure such small gravitational forces, since it would interact only via gravity, the only properties it could have other than mass would be its decay rates from other particles. Which, again, would all be essentially nil, due to its mass.

The oracle proceeds to break expectations by suggesting that Ponytail and Cueball go out for {{w|burrito}}s. When faced with the apparent futility of continuing to try to investigate dark matter, the oracle predicts that going out for burritos is precisely as productive as any other approach. It justifies the suggestion by burritos being "pretty" good, again neither exactly quantifying the oracularity, and likely not even giving the optimal idea.

The title text observes that burritos interact through all four known {{w|fundamental interactions}}, making burritos popular. The electromagnetic force mediates the chemical reactions leading to a burrito's taste, the strong force keeps atomic nuclei together, and gravity gives burritos heft, all of which are helpful for enjoying them. It's hard to see how the weak force, which takes part in radioactive decay, helps with burrito enjoyment or popularity, but the weak force is responsible for the nuclear fusion that allowed the complex elements of the burrito to exist in the first place.

The previous comic [[3084: Unstoppable Force and Immovable Object]] dealt with particles which do not even interact with gravity.
In [[2035: Dark Matter Candidates]] these 20 lb dark matter particles fit between magic 8 balls and space cows. The squirrels that make up [[2186: Dark Matter]] near the earth must be pretty chunky. Talking to a floating sphere is becoming a returning subject in xkcd. See more about other instances of this on the page for the [[:Category:Time traveling Sphere|Time traveling Sphere]] series.

==Transcript==
:[Cueball and Ponytail are standing in front of a pentacle with lit candles at the corners. A black sphere, the oracle, is floating above the middle of the pentacle.]
:Ponytail: Dear oracle,
:Ponytail: What is the nature of dark matter?
:Oracle: It's about 20 pounds.

:[Close up of oracle]
:Off-panel: What?
:Oracle: Dark matter is a particle. It weighs about 20 pounds.
:Oracle: It only interacts through gravity.

:[Same view as first panel]
:Cueball: Only gravity, huh?
:Cueball: So none of our experiments are really going to tell us any more about it, then.
:Oracle: Afraid not.

:[Same view as first and third panels, except Cueball lifted his forearm.]
:Cueball: So what do we do?
:Oracle: You should go out for burritos.
:Ponytail: How will that help?
:Oracle: Well
:Oracle: Burritos are pretty good.

{{comic discussion}}<noinclude>
[[Category:Comics featuring Cueball]]
[[Category:Comics featuring Ponytail]]
[[Category:Physics]]
[[Category:Cosmology]]
[[Category:Food]]

3138: Dimensional Lumber Tape Measure

2025-09-18T09:14:11Z

2.50.0.22: /* Explanation */

{{comic
| number = 3138
| date = September 5, 2025
| title = Dimensional Lumber Tape Measure
| image = dimensional_lumber_tape_measure_2x.png
| imagesize = 532x478px
| noexpand = true
| titletext = A person with two watches is never sure what time it is, especially if I got them one of the watches.
}}

==Explanation==

A 2×4 is a type of dimensional lumber, meaning it is cut to a specified cross-section. In the case of a 2×4, despite implicitly specifying dimensions of 2 inches by 4 inches, its actual dimensions are 1.5 inches by 3.5 inches. The Dimensional Lumber Tape Measure "fixes" this inaccuracy by changing the length of some of its indicated inches so that a 2×4 is measured as 2 inches by 4 inches. On the dimensional tape the 1st, 2nd, and 8th division are made shorter than on the standard tape. Note that the comic states 7.125 inches as the width of a 1×8, when in reality the width is 7.25 inches.

As explained {{w|Lumber#Dimensional lumber|on Wikipedia}}, the nominal dimensions of a piece of dimensional lumber (US)/timber (UK) are those to which, in history, the wood was cut from green logs. Over time, the wood would shrink from loss of water. Consequently, a board cut to 2×4 inches would shrink to some fraction of those dimensions. The nominal dimensions also refer to the rough cut lumber — the final product is typically planed smooth, which further reduces its dimensions. The actual final dimensions would vary based on the type of wood, the amount of water lost and other such factors, with a greater or lesser amount of predictability. Over time, the actual dimensions of the wood became standardized at some regularly-achievable value less than the nominal dimensions. Different types of construction material sometimes use different measures, for instance, "1 inch" plywood is typically not 1 inch thick, but it is also not 3/4 inches thick (the thickness of a 1-inch board).

A person not familiar with this history may be puzzled at the disconnect between the nominal and actual dimensions of lumber/timber, perhaps to the point of thinking that some underhanded short-measure had gone on. To such persons, the comic's Dimensional Lumber Tape Measure makes sense, or at least addresses the disconnect. It would not, however, have any practical use, and attempts to employ it would likely lead to constructions going dangerously awry. Necessary lengths of timber, as well as other cuts that fine-tuned a supplied timber to fill a space, would be intrinsically inconsistent with the gaps they were intended to tightly fit within. At best, ''every single'' component of a construction would be measured and cut according to this particular measure and the resulting structure would be self-consistent but subtly undersized compared to the original plan.

Additionally, leaving it in someone else's toolbox without informing them would likely lead to them incorrectly measuring things, as the Dimensional Lumber Tape Measure appears visually similar to a standard tape measure and has similar enough units that it is plausible someone could use the Dimensional Lumber Tape Measure and assume it indicated full inches.

Intentionally-inaccurate measuring devices do exist in the real world, but for the opposite reason (converting size ''before'' natural shrinkage to size ''after'' shrinkage rather than vice-versa). When casting articles out of molten metal or clay, the final product can shrink significantly as it cools or dries. Workers therefore use a ''{{w|Metal casting#shrink rule|shrink ruler}}'' with deliberately ''over''size units, calibrated to the shrinkage percentage of the particular material in use. Using a shrink ruler to measure the patterns and molds used in metal casting, or the wet product in pottery, ensures that the final product will be the desired size.

Another common intentionally-accurate measuring device is a joke "fish ruler", such as [https://www.zazzle.com/fishermans_joke_ruler-256090065798791155?srsltid=AfmBOorHYyY2_fJSCZsZ1B7fKjkLbKDEyCfbfI5w-MDe83neA51yT8Uc this example], which like the comic feature undersized units. Fishermen typically measure the length of their catches, with catching a longer fish being more prestigious. The joke fish ruler will be marked as if it is 12 inches long like a common ruler, but is only 6 or 8 inches long. Thus a fisherman could catch a 5 inch fish, but report it as 10 inches after "measuring" it with the joke fish ruler.

The title text is a play on the adage "A man with two watches is never sure what time it is". That adage is a rephrasing of {{w|Segal's law}}. It expands on the theme of inaccurate measuring devices by stating the person with two watches will definitely not know what time it is if Randall gave him one of the watches, implying that in addition to making tape measures with non-standard units he also makes watches that do not keep or report time in a regular manner.

==Transcript==
:[Header:] Dimensional Lumber Tape Measure

:[Paragraph to the left:] Dimensional lumber sizes are tricky. A “2×4” is actually 1½″ by 3½″, and a “1×8” is ¾″ by 7⅛″.
:[To its right, a drawing of a rectangular wooden block labelled “2×4”, with notes indicating the length of the height and width being 1½″ and 3½″]

:[To the left, two drawings of tape measures seen from the side. One is labeled <code>12′</code>, and the other is labeled <code>12′*</code>]
:[Paragraph to the right:] If you know someone into carpentry or woodworking, get them our [in italics:]''dimensional lumber tape measure''.

:[Two drawings viewing the extended tapes, with titles, one above the other; The double-riveted 'hook end' fitting is at tape's left-hand 'zero' mark, and they extend off beyond the right edge of the panel featuring digits marking full height "inch" division-lines, with decreasingly partial-height lines indicating half-, quarter-, eighth- and sixteenth-inch sub-divisions from the lower edge, though either measure explicitly indicates the unit being used]
:[Title one:] Normal tape measure:
:[The measure is divided into inches evenly, the rightmost visible measure being a '9', and slightly further than the next half-inch division being visible at the edge of frame]
:[Title two:] Dimensional lumber tape measure:
:[The measure is divided unevenly, such that 1st and 2nd marked 'inches' are each equal to a ¾-inch increment on the above drawing, but the 3rd to 7th marks each equate to a 1-inch progression, shifted. The 8th mark is once again ¾-inch after the 7th, and then roughly inch again for the fully visible '9' and '10' numbers and similarly proportional to just beyond the rightmost quarter-inch division visible]

:[Slightly bold:]'''Don’t tell them you got it'''[Normal weighting:]—just leave it in their toolbox. They’ll appreciate the surprise when all their measurements work out!

{{comic discussion}}<noinclude>
[[Category:Comics with color]]
[[Category:Tape measures]]

3142: (City)-Style Pizza

2025-09-18T09:12:54Z

2.50.0.22: /* Explanation */

{{comic
| number = 3142
| date = September 15, 2025
| title = <City>-Style Pizza
| image = city_style_pizza_2x.png
| imagesize = 480x314px
| noexpand = true
| titletext = If you want to see true audacity, do an image search for 'Altoona-style pizza.'
}}

==Explanation==

{{w|Pizza}} is one of the most popular foods in the United States and a number of major cities have {{w|Pizza_in_the_United_States#Variations|regional variations on pizza}}, which have come to be named after the city. {{w|New York–style pizza}} and {{w|Chicago-style pizza}} are two of the most well known. New York-style pizza is characterized by a thin, flexible crust topped with tomato sauce, followed by various toppings, then topped with mozzarella cheese. Chicago-style pizza has a much thicker, bread-like crust which is typically topped with melted cheese, with a mixture of sauce and toppings added on top.

This comic contains a chart that compares the tastiness of pizza styles with the size of the city in the name. They generally span a broad range, and the upper limit tends to be pretty consistent, suggesting that cities of all sizes can produce good pizza. The smallest cities are shown as having the least possibility for a good pizza named after them (The apex is shown as being for mid-sized cities toward the smaller end of the spectrum, but no explanation is given for this — possibly [[Randall]] may have a particular favorite from a mid-sized city).

The lower end of the range shows much more variation. The largest cities are shown as being incapable of having bad pizza as their speciality, with the worst examples still being okay. The smaller the cities are, the more potential there is for a bad pizza to qualify for the name. This may be due to the fact that large cities tend to have many restaurants, meaning there is more chance of one of them producing a decent variant that can become synonymous with the city. Smaller cities with fewer eating options might accept lower quality choices because they lack options.

At the lowest end of the range are very small cities with terrible regional pizza. The caption jokes that this is to due to "bored restaurant owners" deliberately making up bad pizza varieties as a "fun prank" on visitors. The implication is that some local pizza styles are so bad that they could only have been created as a joke, and even the people who created them don't think they're appealing.

New York-style pizza is indicated at the top of the city size axis (New York City being the largest city in the US), and near the top of the tastiness axis, but in the middle of the range of cities of its size. New York City is where pizza was first popularized in the US, having been brought by Italian immigrants in the 19th century. The style from New York has been highly influential over pizza throughout the country, and is generally acknowledged to be appealing to most people.

The title text gives a specific example of a terrible pizza from a small city, Describing {{w|Altoona-style pizza}} as "true audacity". Created in the Altoona Hotel in {{w|Altoona, Pennsylvania}}, it has a thick square of bread-like Sicilian-style crust, covered with tomato sauce, bell peppers, and salami and a slice of American cheese. Not only does Randall implicitly find this to be highly unappetizing, but considers it audacious to even call it pizza. The design of this pizza looks more like an open-faced sandwich than traditional pizza, the structure is odd for pizza, the toppings are eccentric, and the use of American cheese to top pizza is so strange as to border on culinary heresy. This is presumably the type of "pizza" that Randall believes could only be created as a joke.

==Transcript==
{{incomplete transcript|Don't remove this notice too soon.}}
:[A graph.]
:[The x and y axes have no unit markings, and are labeled:]
::[X axis: City size →]
::[Y axis: Tastiness of "<city>-style pizza" ↑]

:[A shaded region is bounded by a lower bound and an upper bound. The upper bound has a slight curve up corresponding to a smallish city, but is otherwise mostly flat. The lower bound appears on the X axi] close to the left, evens out to being almost flat in the middle, and rises toward the right.]

:[An arrow points to the right end of the shaded area, with the label:]
::New York up here somewhere

:[A label is in the middle of the shaded region at a medium X value. Many arrows point outward from the text, which reads:]
::various controversial regional specialties

:[An arrow points to the region with a low x and y-value, where the line for the lower bound is missing. This region is labeled:]
::towns with bored restaurant owners who have come up with a fun prank to play on visitors

==Trivia==

A remarkable spike in Google searches for Altoona-style pizza was observed at the publication date of this comic, as can be observed on [https://trends.google.com/trends/explore?q=%2Fg%2F11nmt6q5kp Google Trends].

The original comic's title invokes an encoding error in terms of HTML rendering, and it was copied to this wiki page. It reads "<City>-Style Pizza", which can be interpreted by web browsers and scrapers as containing an HTML tag for a "City" element for some unknown semantic/formatting effect. Being not {{w|Document type definition|defined}} or implemented, this 'tag' ends up being ignored and the remaining content is rendered as just "-Style Pizza".

It is not the [[3015: D&D Combinatorics|first]] [[3028: D&D Roll|time]] that Randall has accidentally clashed with HTML-rendering issues.

{{comic discussion}}<noinclude>
[[Category: Food]]
[[Category: Charts]]

Simple Writer

2025-09-08T03:48:05Z

2.50.0.22: /* Explanation */

{{comic
| title = Simple Writer
| image = SimpleWriterExample.jpeg
| lappend = simplewriter
| extra = yes
| imagesize = 800px
}}

To experience the interactivity of the page, visit the {{xkcd|simplewriter|original comic}}.
==Explanation==
{{misc page}}
This is a page in which one can check to see if all the words in a given piece of text fits within the 1000 words people use the most often. The page directly compares this to the style of writing featured in [[1133: Up Goer Five]] and ''[[Thing Explainer]]''. The page is also directly mentioned at the end of ''Thing Explainer'' as a way to create similar text.

1608: Hoverboard

2025-09-04T03:13:05Z

2.50.0.22: /* Game feature */ I'm not sure anyone really has a desire to comply with this, considering the Romeo and Juliet effect - the biggest motive for doing something is being told not to do it without a reason.

{{comic
| number = 1608
| date = November 24, 2015
| title = Hoverboard
| image = hoverboard.png

}}
{{TOC}}To experience the interactivity of the game, visit the {{xkcd|1608|original comic}}!

==Explanation==
This is an [[:Category:Interactive comics|interactive comic]] made to celebrate the release of [[Randall]]'s new book, ''[[Thing Explainer]]'', which was released on the same day as this comic: Tuesday, November 24, 2015. The comic thus appeared on a Tuesday, replacing that week's normal Wednesday release to coincide with the release day. The [[Header text|header text]] also [[Header text#2015-11-24_-_Thing_Explainer_is_out_today|changed that day]] to shout out that the book was released on that day. This is a platforming minigame, in which you collect coins while riding on a hoverboard.

The title refers to a {{w|hoverboard}} (which resembles a hovering skateboard without wheels) which has been most [https://www.youtube.com/watch?v=z1ZdMOMUgXE prominently featured] in the movie {{w|Back to the Future Part II}}. {{w|Marty McFly}} traveled to the future in this second installment, more precisely to [https://www.facebook.com/October212015BTTF 2015-10-21], and this comic was released just over one month later 2015-11-24. Hoverboards are just one of many things predicted in Back to the Future Part II that [https://www.bbc.com/news/technology-33785285 have] [https://www.youtube.com/watch?v=4HI137m7XA4 come] [https://www.youtube.com/watch?v=SLwNGBB_Yb0 to] [https://www.wired.com/2016/03/hendo-2-hoverboard/ pass] before reaching the date from the movie, but are more uncommon in our world, along with other inventions like [https://www.terrafugia.com/ flying] [https://www.youtube.com/watch?v=7-1pXbW5wVg cars] and [https://www.soundandvision.com/content/wear-your-music-thinkgeeks-soundtrack-shirt#jo8J1DassbWxlptj.97 musical clothing]. Randall is known to have had [[:Category:Electric skateboard|electric skateboards]], which is also thematically related, although another type of hoverboard would be mentioned just five weeks later in [[1623: 2016 Conversation Guide]].

Given Randall's enjoyment of movies and time travel it is very likely that this game is also a tribute to the {{w|Back to the Future}} movies. But the release day of the game has been used to promote his new book (as is clear with the text in the start screen of the game), and this explains why it was not released on the Back to the Future date. Apart from the date of release and the text about the book, the game does not seem to have any direct relation to the book; there are, however, several scenes in the game that could be seen as [[#Reference to Thing Explainer|references to ''Thing Explainer'']]. Instead, the main part of the game is all the references to several movies and other stuff that has often been featured in xkcd as well as many of the other comics.

===Game feature===
{{spoiler|The best way to enjoy this comic is to {{xkcd|1608|play the game}}! If you didn't do that already, reading anything below will spoil you from truly enjoying the comic.}}
The game features an {{w|animated}} [[Cueball]] riding on a hoverboard which can take [[#Animation|several different positions]]. The controls are the left, up, and right arrows, as written on the start screen until you begin the game, after which the text disappears. There are alternatives as explained in the [[#Functionality|Functionality]] section. The player can jump repeatedly mid-jump to reach increasing heights, and can move left and right both while jumping and descending (see more under controls).

The player begins in a line-drawing maze (called the [https://www.explainxkcd.com/wiki/images/a/a9/All_play_area_hanging_all_coins.PNG Play Area]) with 17 gold coins located throughout and a "deposit" terminal. The ostensible goal of the game is to collect as many coins as possible and return them to the deposit in the fastest possible time, which returns [[#Coins|text messages]] describing the result. Players consumed with obtaining the best possible time result for collecting the coins may not realize there is anything more to the game.

Beyond the maze on either side (just far enough that players who remain within the maze will not see) are [https://www.explainxkcd.com/wiki/images/8/8b/1680_Play_Area_Full_Size_Coins_Hoverboard_and_View.png tall walls seemingly designed to contain the player]. However, the walls have a finite height and, combined with the ability to double-jump, the player can leave the purported "play area" either to the sides or above the initial maze. This returns a flashing red [[#Coins|error message]]: "'''[https://www.explainxkcd.com/wiki/images/a/ae/Return_to_the_play_area.PNG Return to the Play Area]'''".

However, if the player follows their desire to explore the world outside and disregards this message, they can take hoverboard Cueball outside beyond the tall walls surrounding the initial play area. And here they will discover an entire world that can be explored left and right (and above), including numerous points of interest and {{w|Easter egg (media)|Easter eggs}} similar in style to comic [[1110: Click and Drag]]. There are also many more [[#Coins|coins]] to collect, 169 coins overall, so 152 more than those from the play area. There are also 116 in the right side alone, and 36 on the left.

Although this game is reminiscent of Click and Drag, this was the first time an actual game, where the user moves an object in front of the drawing, has been released on xkcd. In previous "games" this has not been the case. In Click and Drag the user only moves the drawing into the view section. And in for instance the two previous [[April Fools' Day comics]], [[1350: Lorenz]] and [[1506: xkcloud]], the user does not move anything, but only supplies choices, text and drawings. However, already on the next {{w|April Fools' Day}} a new game, [[1663: Garden]], was released where the users also actively moved items around on the screen and could make items disappear (like taking coins in this game.). The ability to infinitely doubles jump allows us to reach beyond just the ground.

===Main themes===
There are many themes and references throughout the game, but the two main themes are '''{{w|Star Wars}}''' and '''{{w|The Lord of the Rings}}'''. Below there is a [[#Details and references|list of details and references]] to these movies and much more. For instance, there are 19 references to SW and 6 to LOTR.

The largest part of the game is located on the '''right side''' of the play area and is mainly a world dominated by references to ''Star Wars''. Most noticeable is a recreation of [https://youtu.be/yHfLyMAHrQE?t=112 the opening scene] in the {{w|Star Wars (film)|first film}}, where {{w|Princess Leia|Princess Leia's}} space ship ''{{w|Tantive IV}}'', also known as ''[https://www.explainxkcd.com/wiki/images/8/82/1608_1015x1078y_Entire_Rebel_Blockade_Runner_zoom_out.png The Rebel Blockade Runner]'', is flying over [https://www.explainxkcd.com/wiki/images/3/33/1608_1015x1073y_Ponytail_in_the_dunes_zoom_out.png the desert] planet {{w|Tatooine}}. Here it is followed by the {{w|Star Destroyer}}, ''[https://starwars.wikia.com/wiki/Devastator Devastator]''. The [https://www.explainxkcd.com/wiki/images/0/04/1608_1015x1078y_Entire_Rebbel_Blockade_Runner_zoom_out_to_torpedoes_and_ground.png desert ground with these two space ships] above is the first you find to the right. Although in the game they are located inside the atmosphere, not as in the movie out in space, a fact that is [https://www.explainxkcd.com/wiki/images/1/1d/1608_1049x1090y_Atmosphere_worry_and_car_room_at_bottom_of_hull.png commented on] by [[Megan]] who looks out from an opening in the bottom of the Destroyer's hull.
:Megan: Is this ship designed to fly in the atmosphere like this?

Both ships are high above the ground, but there are three [https://www.explainxkcd.com/wiki/images/7/76/1608_1014x1076y_Entire_wires_from_ground_to_Runner.png wires from the ground] that connect (and thus guide you) up to ''The Runner'' and from there [https://www.explainxkcd.com/wiki/images/8/87/1608_1023x1085y_Entire_torpedoes_rain_from_Runner_to_Destroyer.png 100+ torpedoes], which are fired [https://www.explainxkcd.com/wiki/images/f/f1/1608_1018x1079y_Top_rear_end_of_the_Rebel_Blockade_Runner.png down on the Runner] coming [https://www.explainxkcd.com/wiki/images/5/5f/1608_1034x1091y_Torpedo_canon_below_Destroyer.png from the Destroyer] above, gives away the location of the Destroyer itself. The Destroyer is so high up in the air, that you would not be likely to find it by chance without these leads (or at least some of the several other hints from people on the ground [https://www.explainxkcd.com/wiki/images/f/f2/1608_1010x1073y_Cliff_with_rock_and_cactus.png looking up and reacting] or like [[White Hat]] looking from the tip of the [https://www.explainxkcd.com/wiki/images/2/21/1608_0995x1079y_Entire_Washington_monument_extra_zoom_out.png Washington Monument] and reacting [https://www.explainxkcd.com/wiki/images/6/6f/1608_0995x1083y_Tip_of_Washington_monument.png by saying]: "Uh, what the heck is ''that?!''."). There is also a giant island floating very high above the flagpost in the left side of the world, with no indication of its existence.

One of the main points (The Joke) of the entire game is the extreme size of [https://www.explainxkcd.com/wiki/images/c/cd/1608_Entire_Star_Destroyer.png such a Destroyer]. It takes up more space than the rest of the game (and most of the coins are located there). Inside the Destroyer there are many, many rooms, long corridors and deep shafts, even a [https://www.explainxkcd.com/wiki/images/5/58/1608_Entire_Cave.png huge cave] with trees and animals. At [https://www.explainxkcd.com/wiki/images/c/c7/1608_Vader_twice_and_emperor_on_and_near_bridge.png the bridge] we meet both {{w|Darth Vader}} and the Emperor himself, {{w|Palpatine}}. There are many other jokes related both to Star Wars and other movies and xkcd comics inside the Destroyer. For instance, Darth Vader discusses {{w|Steven Universe}}, bringing up Rose Quartz and Steven himself ([https://www.explainxkcd.com/wiki/images/3/39/1608_1031x1095y_Steven_Universe_family_and_ice_cream_prediction.png who can be found with the Crystal Gems] in a different part of the Destroyer).
:Darth Vader: But Steven's ''mother'' is a Crystal Gem...
There are also interesting things and references along the ground beneath the Destroyer, some of these are also Star Wars related like [https://www.explainxkcd.com/wiki/images/c/c9/1608_1038x1073y_Wedding_and_picnic.png the wedding scene] where {{w|Jabba the Hutt}} is mentioned.

To the '''left side''' is an entirely different world, although much smaller (shorter) than the one to the right. Here, the main theme is ''The Lord of the Rings'' mainly with the presence of a [https://www.explainxkcd.com/wiki/images/6/6a/Entire_Volcano_zoom_out.png volcano] where for instance [https://www.explainxkcd.com/wiki/images/7/77/1608_0952x1087y_Ring_of_power_and_lave_floor_at_the_right_crater_top.png Megan tries to throw] in {{w|One Ring|''rings'' of power}}, as in [https://www.youtube.com/watch?v=FXpF3SUFaDw the scene] from the {{w|The Lord of the Rings: The Return of the King|last LOTR film}} where {{w|Frodo Baggins|Frodo}} fails and {{w|Gollum}} attacks inside the volcano {{w|Mount Doom}}, thus making it clear that the volcano in the xkcd game represents Mt. Doom. Frodo, {{w|Sauron}}, and {{w|Gandalf}} are all mentioned in the game. The first two by name in the text. Two {{w|Eagle (Middle-earth)|great eagles}} are [https://www.explainxkcd.com/wiki/images/c/cb/1608_0956x1088y_Eagles_over_right_crater_top.png talking about Frodo] and {{w|J. R. R. Tolkien|Tolkien}}, Sauron's name is [https://www.explainxkcd.com/wiki/images/6/66/1608_0964x1078y_Megan_reading_for_children_about_Saurons_ring.png read up by Megan from a book], and [https://www.explainxkcd.com/wiki/images/a/a5/1608_0944x1083y_Rock_with_Gandalf_in_Lava_lake.png Gandalf is drawn as a wizard figure] in the crater and also his name is used in the [[#Coins|message]] you receive if you collect [https://www.explainxkcd.com/wiki/images/f/f7/169_coins_fastest_way.PNG all possible coins].

The two worlds do conflict though, as an {{w|X-wing fighter}} is [https://www.explainxkcd.com/wiki/images/4/44/1608_0982x1077y_Gas_station_with_x-wing.png parked at a gas station] to the left in LOTR world, and Gandalf's famous quote ''You shall not pass!'' from his fight against the {{w|Balrog}} is modified by [[Cueball]] who is [https://www.explainxkcd.com/wiki/images/a/ad/1608_1026x1093y_Shall_not_not_pass_room_and_parachutes_at_one_of_two_ledges_at_bottom_of_hull.png ''not'' trying to block your path] to a coin inside a room in the Destroyer. This conflict could very well be a reference to the fact that {{w|Andy Serkis}} who played {{w|Gollum}} in LOTR, now plays the {{w|Supreme Leader Snoke}} in the new Star Wars movie, and [https://vignette3.wikia.nocookie.net/villains/images/6/64/Supremeleader.png/revision/latest/scale-to-width-down/270?cb=20151223201852 his appearance] as Snoke is not that much different from Gollum's. Snoke also delivers a line in the movie (about "bringing someone to me") that reminds one of Gollum when he talks about "the ring coming to me". Randall would not have known this last part at the time that this comic was released, but he would likely be aware of Andy Serkis' involvement.

Other themes are related to other movies, like a [https://www.telegraph.co.uk/film/star-wars-the-force-awakens/star-trek-fans-rivalry-george-lucas-roddenberry/ naughty reference] to {{w|Star Trek}} from inside [https://www.explainxkcd.com/wiki/images/b/bc/1608_1012x1078y_Bridge_on_the_Rebel_Blockade_Runner.png the bridge] of the Rebel Blockade Runner where a long-haired woman (maybe [[Danish]] since she obviously does this to annoy Star Wars fans and [[Hairbun]] behind her, which could represent Princess Leia with her [https://upload.wikimedia.org/wikipedia/en/1/1b/Princess_Leia%27s_characteristic_hairstyle.jpg special hair style]) delivers the following line taken from the Star Trek universe:
:Long haired woman: Captain's log, stardate November 24th, 2015...
:Hairbun: ''Augh!'' No!

Also references to video games are seen, best shown with the maze towards the back end of the Destroyer which are an almost [https://www.explainxkcd.com/wiki/images/e/e2/1608_Comparing_Prince_of_Persia_maze_with_real_level_1.png complete depiction] of ''[https://cdn.wikimg.net/strategywiki/images/a/a2/Princeofpersia_dos_level1.png Level 1]'' of the computer game ''{{w|Prince of Persia}}'' down to the three coins being in the place of three items to take in that game, and at least two of the opposing sword fighters in the correct places as well.

The comic/game and book were released only 3 weeks before the 7th Star Wars movie ''{{w|Star Wars: The Force Awakens}}'' was released on December 14, 2015. And this movie had already been referenced by Randall 7½ weeks earlier in [[1585: Similarities]], when another movie ({{w|The Martian (film)|The Martian}}) were released. It was a reference in the title text to the new robot ''BB-8'' that are featured in the Force Awakens. That the Star Wars section is thus so much larger than the LOTR section could be a hint to the fact that it is now 12 years ago that the last of those films were released, and although {{w|the Hobbit}} has been released as {{w|The Hobbit (film series)|three films}} over the previous three Christmases it was Star Wars that dominated the Christmas a month after this comic's release.

===Extra Hoverboard pages===
Since this comic is so big and complicated extra pages have been created to include much more information than is wished for on this main page (which is already of considerable size). These pages are listed here for convenience, but they are also listed in the relevant sections below:

*'''[[1608: Hoverboard/Transcript]]''' - The full transcript of the entire comic, as if you played the game can be found here. It is linked from the [[#Transcript|Transcript]] section.

*'''[[1608: Hoverboard/The whole image]]''' - A collection of different compilations of the whole Image. It is linked from the [[#Environment|Environment]] section.

*'''[[1608: Hoverboard/Images of secret passages]]''' - Images with an overview of the secret passages in the game. It is linked from the [[#Secret passages and hidden places|Secret passages and hidden places]] section.

*'''[[1608: Hoverboard/All image links]]''' It is linked from the [[#All images|All images]] section.

*'''[[1608: Hoverboard/Images coins]]''' It is linked from the [[#Coins|Coins]] section.

*'''[[1608: Hoverboard/Screen-shots]]''' It can be linked from several sections, but among others from the [[#Coins|Coins]] section.

*'''[[1608: Hoverboard/Images of individual scenes]]''' It will be linked from the [[#Details and references|list of details and references]], which will be using these images in the explanation.

===Characters===
Almost all main [[:Category:Characters|characters]] in the xkcd gallery are used more than once, especially there are three characters that are used several times. Number one is of course [[Cueball]] (with close to 90 appearances) who is already shown at the [https://www.explainxkcd.com/wiki/images/6/6c/1608_1000x1074y_The_Play_Area.png starting point]. He is also the first character seen when walking both [https://www.explainxkcd.com/wiki/images/c/c0/1608_1004x1074y_Cueball_outside_play_area.png right] and [https://www.explainxkcd.com/wiki/images/d/dc/1608_0994x1074y_Base_of_Washington_monument.png left] (where he speaks the first line to the left).

Then follows [[Megan]] with at least 40 appearances, she is even shown twice in the same location three times, one of these three even occurs within one of the [https://xkcd.com/1608/1090:-1088+s.png small images]. She is also shown with Cueball in his first appearance to the left, and she is the first to speak a line to the right [https://www.explainxkcd.com/wiki/images/f/f2/1608_1010x1073y_Cliff_with_rock_and_cactus.png here].

Also [[Ponytail]] is well represented with 26 appearances (for instance [https://www.explainxkcd.com/wiki/images/2/2d/1608_0947x1073y_Antenna_cave_in_lair.png here)].

[[Hairy]] (with different hair styles) is used 7 times (for instance [https://www.explainxkcd.com/wiki/images/5/54/1608_Actual_Bridge_with_Vader_and_Tarkin.png here]) and [[Hairbun]] is used 5 times (for instance [https://www.explainxkcd.com/wiki/images/e/e4/1608_1054x1099y_Corridor_peristalsis_and_two_coin_rooms_at_top_of_hull.png here)].

Two of the main characters are used twice: [[Beret Guy]] ([https://www.explainxkcd.com/wiki/images/4/4f/1608_0990x1074y_If_loving_you_is_wrong_I_dont_want_to.png here] and [https://www.explainxkcd.com/wiki/images/2/21/1608_1020x1083y_Torpedoes_two_steps_above_Runner_with_Beret_Guy.png here]) and [[White Hat]] ([https://www.explainxkcd.com/wiki/images/6/6f/1608_0995x1083y_Tip_of_Washington_monument.png here] and [https://www.explainxkcd.com/wiki/images/d/d9/1608_1093x1074y_White_Hat_hiding_in_the_grass.png here]).

The only exception is that the main villain of xkcd [[Black Hat]] who is very hard to find. He is only [https://www.explainxkcd.com/wiki/images/6/68/1608_1069x1093y_Deer_and_exit_below_lamp_coin_and_Black_Hat_in_the_bottom_right_side_of_the_cave.png shown once] in the comic where he very uncharacteristically just sits and snores at the right wall in the cave inside the Destroyer (is it really him...?). The only other hint that he is not forgotten is that his hat can be seen [https://www.explainxkcd.com/wiki/images/b/bc/1608_1073x1074y_Ponytail_and_bird_black_hat_on_a_stick_and_Cueball_whistling.png on a stick] under the Destroyer after the three large T-like structures. And this is not that kind of stick characters Randall usually draws. But at least we now know where Danish has hidden it from him this time (see [[405: Journal 3]]). Given that his hat is stuck there, he could also be any of the Cueballs close by…

Also [[Blondie]] seems to be only represented once, while in her reporter mode while discovering a bug before the volcano as can be seen [https://www.explainxkcd.com/wiki/images/a/ae/1608_0970x1077y_Kite_and_weird_bug.png here].

There are also several characters that are not recognizable as either any of the standard xkcd characters or in any other way (see for instance a few of the [https://www.explainxkcd.com/wiki/images/a/a6/1037x1073y_Wedding.png wedding guests]). But there are possibly some of the minor characters are used like [[Danish]] at the bridge in the Blockade Runner ([https://www.explainxkcd.com/wiki/images/b/bc/1608_1012x1078y_Bridge_on_the_Rebel_Blockade_Runner.png here]) but this cannot be confirmed, she just looks like her and has some similarities teasing the Star Wars fan.

Several places in the comic it is clear from the size and the behavior that some of the characters are kids, see for instance the Blondie image mentioned above, where two kids looking like Megan and Hairy stand behind her, but they would in principle not be Megan or Hairy despite appearance, as these named characters are adults.

There are also many fictive people from different movies, books, and shows; for instance Darth Vader ([https://www.explainxkcd.com/wiki/images/f/fa/1608_1077x1109y_Darth_Vaders_talks_about_Steven_Universe_on_the_bridge_Megan_adjust_antenna.png here]), Gandalf ([https://www.explainxkcd.com/wiki/images/a/a5/1608_0944x1083y_Rock_with_Gandalf_in_Lava_lake.png here]) and Steven Universe ([https://www.explainxkcd.com/wiki/images/3/39/1608_1031x1095y_Steven_Universe_family_and_ice_cream_prediction.png here]) all three mentioned above, and some real life people: you can find [[Elon Musk]], who has a [[#Secret passages and hidden places|hidden lair]] under the Volcano (see [https://www.explainxkcd.com/wiki/images/7/73/1608_0945x1074y_Elon_Musks_cave_in_lair.png here]), and Gregor Mendel, hanging out on a Star Destroyer with a pea plant.

Furthermore, there are many animals (like [https://www.explainxkcd.com/wiki/images/b/b0/1608_1067x1094y_Gazebo_puma_deer_Cueball_with_bow_and_talk_of_Palpatine_in_the_middle_of_the_cave.png the puma and the deer]) in the cave, some even rather big like this [https://www.explainxkcd.com/wiki/images/b/b5/1608_1038x1094y_Giant_octopus_in_Destroyer.png octopus] or even gigantic like this [https://www.explainxkcd.com/wiki/images/d/d2/1608_1078x1095y_Ant_Queen_in_Destroyer.png ant queen] (all three from inside the Destroyer). There are also a couple of small Star Wars robots, one in a corridor in each spaceship ([https://www.explainxkcd.com/wiki/images/d/df/1608_1034x1091y_Photon_canon_Tetris_piece_and_mini_robot_at_bottom_of_hull.png here from the Destroyer]).

==Environment==
This is the whole comic image, without coins. The part visible at the beginning is marked red. See also a collection of different [[1608: Hoverboard/The whole image|the whole image]]!
[[File:1608 full.png|1300px|link=1608: Hoverboard/The whole image]]

===Secret passages and hidden places===
There are many places where you can disappear behind black areas, as not all of these are solid. You might have discovered this yourself if you stayed in the play area, as the platform below the inverted parentheses is only solid at the edges. Some of these places out of the play area even hide secret passages or hidden rooms. You can reveal them by [https://explainxkcd.com/wiki/index.php/1608:_Hoverboard#Cheats_and_Exploits activating goggles mode].

One notable hidden area is Elon Musk's volcano lair, which is located beneath the lava in the crater of Mount Doom. It can be difficult to find your way in here without using goggles mode even if you know it is there. (For more details, see [[1608: Hoverboard/Images of secret passages|secret passages]].)

Another hidden place is the floating rock island that floats high above the {{w|Washington Monument}}, which is almost the highest point with solid ground. It is located just outside the left edge of the play area. This island is almost impossible to find by chance, as it takes around 30 seconds of repeatedly pressing the Up Arrow key to reach it from the top of the Monument. Even if you go up enough, you will almost miss it, as the Monument is not aligned to the island. (The [[#Viewers|maps]] can help you if you're having trouble finding it.)

As there are two coins on the floating rock island and four coins in the lair below the lava, it is very hard to find all the coins. There are even several coins that are hard to find because they just float in the air nowhere near any drawn things, or at least no things you can see before seeing the coin. They may hang in the air a few jumps above the ground, or in one case more than a seconds drop below the Destroyer. Getting all coins without help from a map would truly make you a [https://www.explainxkcd.com/wiki/images/f/f7/169_coins_fastest_way.PNG Gandalf-like wizard]. (See more regarding [[#Coins|coins]] below.)

===Coins===
There are 169 total coins in the comic. For more details, see the [[1608: Hoverboard/Images coins|coins location]]. The highest-located coin in the game is beside the large rock on Rock Island, while the lowest-located coin is a toss-up between the one in the volcano lair, in the well, and on the rogue wave talking to Cueball. (There's also a coin under the lava but it's not at the bottom of the room.) On top of the eggs in the stork nest, on the far right of the image, there are ten coins. These are the most coins that can be collected in one place outside the play area.

The Coins are not part of the drawing, as they are added later and are superimposed on top of the comic image. This means they are always on top of the black parts of the image, even in secret paggsages. There are no coins located over any part of the solid bedrock or walls in the comic, but sometimes they coins are placed over some of the black parts that you can walk through. See example here [https://www.explainxkcd.com/wiki/images/0/0b/1608_with_coin_1070_1095.png with coin] vs. [https://xkcd.com/1608/1070:-1095+s.png without coin]. The coin is here a lamp, and then when it is removed it reveals an exploded lamp and also one more insect. See a picture here of the coin delivery after [[1608: Hoverboard/Screen-shots#Reaching all the boundaries|reaching all coins and all the boundaries]].

Different amounts of coins collected in the play area, will give different messages in yellow on the black part at the bottom of the screen when delivered to the coin collector. The table contains examples of what may be written depending on the number of coins. The time (and the amount when there is a range with similar rating) is just chosen at random (although in a realistic range). To get above 17 you of course have to leave the play area and come back again...
In Chrome and Firefox, there is not message for those above 9 coins, except 17, 42 and 169. But in Internet Explorer there is still a message for those cases: "Undefined". See [[1608: Hoverboard/Screen-shots#Coin collecting messages|screen-shots]] or click on the links from the number of coins in the table below:

{| class="wikitable"
!# coins
!Text when depositing this number of coins
"X" is the number of coins collected
|-
|[https://www.explainxkcd.com/wiki/images/e/e3/0_coins.PNG 0 coins]
|style="background-color:black;"| <font color="yellow">'''You got 0 coins in 1 second'''<br>You successfully avoided all the coins.</font>
|-
|[https://www.explainxkcd.com/wiki/images/0/00/1_coin.PNG 1 coin]
|style="background-color:black;"| <font color="yellow">'''You got a single coin in 1 second'''<br>It's a start.</font>
|-
|[https://www.explainxkcd.com/wiki/images/8/83/2_coins.PNG 2]-[https://www.explainxkcd.com/wiki/images/0/05/4_coins.PNG 4 coins]
|style="background-color:black;"| <font color="yellow">'''You got X coins in 3 seconds'''<br>Not bad!</font>
|-
|[https://www.explainxkcd.com/wiki/images/f/fc/5_coins.PNG 5]-[https://www.explainxkcd.com/wiki/images/3/30/9_coins.PNG 9 coins]
|style="background-color:black;"| <font color="yellow">'''You got X coins in 12 seconds'''<br>Terrific!</font>
|-
|[https://www.explainxkcd.com/wiki/images/7/74/10_coins.PNG 10]-[https://www.explainxkcd.com/wiki/images/5/55/16_coins.PNG 16 coins]
|style="background-color:black;"| <font color="yellow">'''You got X coins in 10 seconds'''</font>
|-
|[https://www.explainxkcd.com/wiki/images/7/7e/17_coins.PNG 17 coins]
|style="background-color:black;"| <font color="yellow">'''You got 17 coins in 15 seconds'''<br>You found all the coins! Great job!</font>
|-
|[https://www.explainxkcd.com/wiki/images/b/bd/18_coins.PNG 18-41 coins]
|style="background-color:black;"| <font color="yellow">'''You got X coins in 430 seconds'''</font>
|-
|[https://www.explainxkcd.com/wiki/images/1/1c/42_coins.PNG 42 coins]
|style="background-color:black;"| <font color="yellow">'''You got 42 coins in 460 seconds'''<br>No answers here.</font>
|-
|[https://www.explainxkcd.com/wiki/images/d/d8/45_coins.PNG 43-168 coins]
|style="background-color:black;"| <font color="yellow">'''You got X coins in 460 seconds'''</font>
|-
|[https://www.explainxkcd.com/wiki/images/f/f7/169_coins_fastest_way.PNG All 169 coins]
|style="background-color:black;"| <font color="yellow">'''You got 169 coins in 1457 seconds'''<br>Are you Gandalf?</font>
|}

Once you leave the play area, you get a [https://www.explainxkcd.com/wiki/images/a/ae/Return_to_the_play_area.PNG flashing warning message] in red letters at the bottom of the screen:
{| class="wikitable"
|style="background-color:black;"| <font color="red">'''Return to the play area'''</font>
|}
This message flashes three times over 1.2 seconds (the message only disappears for about 150 ms each time). Then, it pauses for about 1.3 seconds and repeats five times, flashing a total of 15 times in just about 11.3 seconds. The message will stop immediately if you re-enter the play area during this period. If you re-enter later, it will flash once you leave again. The play area is anything within and below the middle part of the walls just outside the starting maze.

===Boundaries===
The whole map is 1920 pixels wide, for a length of 10,656' or 3247.9488m. The larger game world is physically bounded in the left, right, and down directions, with invisible walls to each side and the ground preventing you from going any further down than the deepest depression or hidden caves. In the upward direction there is theoretically also an invisible wall, but while jumping, [[Cueball]] and his hoverboard will appear to continue upwards as long as you jump; in addition, the longer the up arrow is pressed repeatedly, the longer it will take for Cueball to fall down again once the button is released. So, although there are no new things above, you can keep jumping as high as you like and will then fall proportionally longer to get back to where you started out. When the comic was first released, it could have been possible that there were some hidden unexplored parts. Shortly after it was posted, however, a [[#Viewers|map]] was created which covered the entire game.

To the far right is a platform at the top of a high pole. This platform turns out to be a nest (like a stork nest).

To the far left is a blond woman wearing her hair in a bun, looking right. She tells you about the Destroyer, should you have gone this way without finding it yet.
:Woman: In the sky, beyond the mountain, I saw a starship.

The highest straight rise into the air to something other than white is Rock Island, just left of and very high over the Washington monument. Standing on the large rock on top of the Island, you are standing almost as high up as possible (the very top of the bridge on the Destroyer is just a tad higher). There is a coin here one step next to the rock. This is the highest located coin in the game. Going over Rock Island's edge also represents the largest possible drop in the game.

As for the deepest parts of the image, the volcano lair and the deep well (halfway to the volcano on the left) are tied. The deepest part where you can stand, however, is in the ocean below the Destroyer where a rogue wave is talking to Cueball:
:Wave: I know rogue waves seem implausible, but we're a straightforward consequence of the equations of fluid dynamics.
:Cueball: ... But you can talk?
:Wave: The equations are really complicated.

Taking a route through all the extremes mentioned here (the lowest, highest, leftmost, and rightmost solid positions within the game) can be achieved in about 9 minutes and 30 seconds. It takes 1 minute and 52 to get from the starting point to the leftmost edge. While we do not have a definite speed for the hoverboard, we can obtain the dimensions of the map by using the Washington monument. Assuming it reflects the real-life dimension of the monument, it is 100 pixels tall, while the actual monument is 555'. This means that 1 pixel is about 5.55 real-world inches.

===All images===
Coordinates for the images are given in (X, Y) coordinates with the starting point at [https://xkcd.com/1608/1000:-1074+s.png (1000, 1074)].
In total there are 3440 images on xkcd that can be accessed via links of this format: https://xkcd.com/1608/1000:-1074+s.png [This link is for the (1000, 1074) starting point image.] '''Here is a page with a table of all the links to images: [[1608: Hoverboard/All image links|All image links]].''' The individual images are so small and cut off at "random" intervals, so you will often be unable to see both a person what they're sayin in the same image.
See for instance this [https://www.explainxkcd.com/wiki/images/a/a6/1037x1073y_Wedding.png wedding scene] to the right under the Destroyer, which only makes sense when these four images are put together (as they are in the link): [https://xkcd.com/1608/1037:-1073+s.png (1037, 1073)] — [https://xkcd.com/1608/1037:-1074+s.png (1037, 1074)] — [https://xkcd.com/1608/1038:-1073+s.png (1038, 1073)] — [https://xkcd.com/1608/1038:-1074+s.png (1038, 1074)]

The maximum possible number of images in the x-direction is 180. Going left will decrease X down to 928 (so 82 pictures left of the starting point in X-direction). Going right will increase X up to 1107 (so 107 pictures left of the starting point in X-direction). The total possible images in the y-direction are 44. Going down will decrease Y down to 1069 (so 5 pictures down from the starting point in Y-direction) Going up will increase Y up to 1112 (so 38 pictures up from the starting point in Y-direction)

The number of possible active Y-images depends on the X-coordinate, as there are several non-existing images that are not just totally white (i.e. blank images), but which don't even have a number/or active link on [https://xkcd.com xkcd.com]. The top active image over the floating island and over the top of the bridge section of the Destroyer all have Y coordinate 1112. There are only 20 active images at this Y-coordinate. The same also goes for the X coordinate: above X=1076 there are also many non-existing images with not active link. All possible images are thus spread over a 180 x 44 grid, with a possible 7920 images. But 4480 of these images are non-existing on xkcd, but you can travel through them in the game, as they are just shown as completely blank/white empty air in the game. If you try to load one of the completely blank images like [https://xkcd.com/1608/1000:-1077+s.png (1000, 1077)], three images above the starting point, you will get an error message. There are only 76 (vs 180) images at this Y-coordinate.

Note there are several completely empty/white images that are active, but those can be loaded on xkcd like the one below the missing picture mentioned above: [https://xkcd.com/1608/1000:-1076+s.png (1000, 1076)]. There are no blank images in completely black areas, like inside structures or underground. And below Y = 1077 all 180 possible Y-images exist for all X-coordinates, from Y = 1069 to 1076. For instance, the image below the starting point is completely black [https://xkcd.com/1608/1000:-1073+s.png (1000, 1073)], and so are the next three below. The bottom images at Y = 1069 has a white border at the bottom: [https://xkcd.com/1608/1000:-1069+s.png (1000, 1069)]. All the images at Y = 1069 are the same except the one at the very right edge because at this edge there is also a white border to the right [https://xkcd.com/1608/1107:-1069+s.png (1107, 1069)] (this is not the case to the far left at [https://xkcd.com/1608/928:-1069+s.png (928, 1069)]). You will never see the images at Y = 1069 in the game. Actually, you will neither see anything of the images with Y = 1070 or 1071. And there is nothing that is not completely black for Y = 1069 to 1072. First from Y = 1073 are there active images which includes white. This picture with the wave at [https://xkcd.com/1608/1022:-1073+s.png (1022, 1073)] gives the lowest point where the hoverboard Cueball can actually stand. Since you will sink into the water here, you are almost standing on the top of the Y = 1072 image: [https://xkcd.com/1608/1022:-1072+s.png (1022, 1072)], which is of course completely black.

Here is a list of the places where there are most images at a given X coordinate:

*At X = 1078, right under the highest point of the Destroyers bridge [https://xkcd.com/1608/1078:-1112+s.png (1078, 1112)] there are 36 active images. Thus, even here 8 images are missing between the bottom active image below the Destroyer and the first active near the ground level at Y=1076. (Y = 1077 to 1084 are missing).

*These missing Y coordinates are active in other places, for instance under the torpedo rain at X = 1020 where all Y images are active up until 1100 - 32 images. But since the last twelve images above this are missing it is still four less than under the bridge.

*Under the floating island, where there are active images at the top Y = 1112, like [https://xkcd.com/1608/990:-1112+s.png (990, 1112)], there is also the Washington monument below which goes high up, but still there are only 20 active Y images, as there are no active images between 1084 and 1109 (24 missing in between).

*Over the volcano's edges the highest images directly connecting to solid ground is found at Y = 1087. One image above this is also active making the height here going up to 1088, thus also making it twenty active Y images. The only '''not''' completely white image over the volcano at Y = 1088 is the one with the eagles [https://xkcd.com/1608/956:-1088+s.png (956, 1088)].

==Details and references==
On the page [[1608: Hoverboard/Images of individual scenes]], images covering all individual scenes (in full size and with coins) has been saved and uploaded to be used for reference in the [[#Table with references|table]] below from where they are linked directly. There are also several overviews in smaller resolution. Almost all these images have been made using this [https://1101b.com/xkcd1608/ Fully zoomable map w/ toggleable coins and passages] which includes all of the game, zoom-able and with toggle-able passages and coins. Courtesy of user [https://www.reddit.com/user/lanzaa lanzaa] on this [https://www.reddit.com/r/xkcd/comments/3u4sy1/xkcd_1608_hoverboard/cxbyn86 Reddit thread].

===References to Thing Explainer===
Some of the scenes in this comic reference the pictures in the ''[[Thing Explainer]]'' book. Here are some examples:

*[[1133: Up Goer Five]], the comic that was the impetus for the book. These are both referenced in this game by the [https://www.explainxkcd.com/wiki/images/e/e2/1608_0976x1079y_Space_capsule_with_parachutes.png space capsule] used for re-entry by the astronauts that flew to the moon using the {{w|Saturn V|Saturn Five}} rocket. This capsule is floating down over the plateau before the volcano to the left.

*In ''Sky Toucher'', the last entry explaining a skyscraper, there are several references to the game, one of these being the space capsule just mentioned above. Other references:
**Ponytail throwing a paper plane out, which she also does [https://www.explainxkcd.com/wiki/images/2/20/1608_1077x1107y_Tarkin_on_the_bridge_and_Ponytail_with_paper_plane.png below the bridge] of the Destroyer. (This is also a reference to [https://explainxkcd.com/1110 Click and Drag] where [https://imgs.xkcd.com/clickdrag/6n2w.png Cueball does the same], here even from a skyscraper).
**Cueball is setting up a kite and Ponytail is crawling up in the line. In the comic a small girl looking like Megan [https://www.explainxkcd.com/wiki/images/a/ae/1608_0970x1077y_Kite_and_weird_bug.png also has a kite]. Being up in a kite is also referenced in both [[235: Kite]] and in the title text of [[1614: Kites]] (from just a few weeks after the release of this comic.)
**There is a floor in the middle of the building with trees, just like there is a cave inside the Destroyer [https://www.explainxkcd.com/wiki/images/7/75/1608_1053x1093y_Lake_with_tree_birds_and_puma_on_rock_at_exit_in_the_bottom_left_side_of_the_cave.png with a tree "inside"].
**Cueball is holding a fishing rod out over the side of the building letting the hook hand in the air. The same [https://www.explainxkcd.com/wiki/images/5/58/1608_1014x1078y_Three_wires_and_reaching_up_to_anchors_in_Runner.png can be seen] under the Rebel Blockage Runner.
**Megan is using a skateboard in a strange ellipsoid-shaped room. This can be a reference both to where Megan is seen on a [https://www.explainxkcd.com/wiki/images/8/89/1608_1038x1095y_Hamsterball_and_stilts_room.png skateboard inside a hamster ball] and to the [https://www.explainxkcd.com/wiki/images/7/7b/1608_1078x1111y_Globe_of_Death_at_the_top_of_the_Destroyer.png globe of death] at the top of the bridge on the Destroyer.
**There is a car in the top section of the tower (long away from the parking cellar in the basement). There are two [https://www.explainxkcd.com/wiki/images/1/1d/1608_1049x1090y_Atmosphere_worry_and_car_room_at_bottom_of_hull.png cars inside] the Destroyer, [https://www.explainxkcd.com/wiki/images/d/d4/1608_1048x1099y_Cueball_on_hood_of_car_room_and_a_giant_step_with_coins_at_top_of_hull.png one of them] deep inside with no easy access to the outside.
**Two people are standing on a cloud, one of them (Megan) jumps out from it. This is similar to the [https://www.explainxkcd.com/wiki/images/9/92/1608_0993x1112y_Top_of_floating_rock_island_with_base_jumpers.png two base jumpers] on the [https://www.explainxkcd.com/wiki/images/5/5c/1608_0994x1110y_Entire_floating_rock_island_zoom_out.png rock island].
*In the ''Red world space car'' explaining (about the {{w|Curiosity Rover}} on {{w|Mars}}) there are two references to the scenes around the Rebel Blockade Runner:
**Curiosity toasts a marshmallow over a fire as does Megan and Cueball over the exhaust pipe at [https://www.explainxkcd.com/wiki/images/f/f1/1608_1018x1079y_Top_rear_end_of_the_Rebel_Blockade_Runner.png the rear of the Runner].
**When Curiosity is set down on Mars by the {{w|Mars Science Laboratory}} (MSL), lowered down in wires below the MSL, the wires were released once the rover was down and then it flies away. In the book Megan is hanging from one of these wires when it flies away. This is similar to [https://www.explainxkcd.com/wiki/images/7/76/1608_1014x1076y_Entire_wires_from_ground_to_Runner.png Megan hanging in one of the anchor lines] going from the ground up to the Runner.

*In ''The USS Laws of the Land'' about the ship called {{w|USS Constitution}} (named after the {{w|United States Constitution}} which is explained in the entry just before this one), there are two references to this comic:
**There is both a giant octopus' arm (marked as ''not real'') and a very large octopus under the ship. The shape of the octopus is the same as the [https://www.explainxkcd.com/wiki/images/b/b5/1608_1038x1094y_Giant_octopus_in_Destroyer.png silhouette of a giant octopus] inside the Destroyer. Octopuses like this are often used in xkcd, and they are also included in the explanation about ''Writing sticks'' (as the source of ink for the pens), as a motive in ''Picture taker'' and in ''Tree of life''. As an example, from another xkcd comic with octopuses see for instance [[435: Purity]].
**There is also a bowling alley in the hull of the ship - a reference to the [https://www.explainxkcd.com/wiki/images/5/53/1608_0987x1075y_Hamsterball_bowling.png hamster ball bowling] in the left part of the world. Bowling is also used two other places in the book, namely on the suspension of the longest bridge in ''Tall roads'' and a bowling alley is used for measuring length in ''How to count things''.

*Ants are used three times in the book. A zoom-in on an ant is used to indicate size in ''Earth's past'' about geological ages of the Earth, and under the ''Tree'' in that explanation there is an ant colony where one ant is much bigger than the others; an ant queen, a clear reference to the [https://www.explainxkcd.com/wiki/images/d/d2/1608_1078x1095y_Ant_Queen_in_Destroyer.png ant queen] in the Destroyer. They are of course also in the ''Tree of life''.

*Basketball is shown twice in this comic ([https://www.explainxkcd.com/wiki/images/a/a4/1608_0936x1084y_Basketball_on_the_volcano.png left of volcano] and [https://www.explainxkcd.com/wiki/images/1/1d/1608_1067x1104y_Basket_ball_on_top_of_Destroyer.png on top of Destroyer]). In the book the size of different ''Playing Fields'' is one of the stories, and it included the field for basketball (i.e. ''circle ball'').

*The [https://www.explainxkcd.com/wiki/images/d/d0/1608_1046x1074y_Huge_foot.png huge foot] before the pyramid look like the foot used in the explanation for ''How to count things'' to describe the wight "one kilo" using a picture labeled ''one foot'' (i.e. not the length one foot, as the length is given in meters). A similar experience to the one in [[526: Converting to Metric]].

*The [https://www.explainxkcd.com/wiki/images/d/d2/1608_1084x1090y_Giant_light_bulb_room.png giant light bulb] towards the bottom rear end of the Destroyer is a reference to the entry on {{w|tungsten}} in the explanation for ''The pieces everything is made of'' (i.e. the {{w|periodic table}}). In the book a {{w|Incandescent_light_bulb|light bulb}} is shown and then an arrow points to the {{w|Incandescent_light_bulb#Filament|filament}} which is made of tungsten in the typical {{w|Thomas Edison|Edison}} light bulbs.

*In the explanation for ''Box that cleans food holders'' (Dishwasher) Ponytail yells ''Wheee!'' as she slides through a pipe inside the machine on her stomach (bottom left). This is similar to her position and movement in the [https://www.explainxkcd.com/wiki/images/c/c6/1608_Entire_Corridor_peristalsis_and_colon.png colon like structure] inside the Destroyer and Cueball also sliding in this colon yells ''Wheee!''

*In the explanation for ''Bending computer'' Ponytail comes racing on her bike with a laptop on top of the handlebars. She is also seen [https://www.explainxkcd.com/wiki/images/c/cd/1608_0958x1083y_Ponytail_racing_down_the_steep_slope_on_a_bike.png racing a bike down the slope of the volcano].

===References to other comics===
There are also many references to other xkcd comics, like the room at the front end of the Destroyer [https://www.explainxkcd.com/wiki/images/a/a7/1608_1004x1095y_Very_front_with_playpen_balls_pit_at_top_of_hull.png ball pit] filled with '''[[:Category:Playpen balls|playpen balls]]''', and two adults playing in it, like in [[150: Grownups]]. Also [https://www.explainxkcd.com/wiki/images/2/2e/1608_0980x1075y_Entire_well_zoom_out.png the well] in the left part of the world with [https://www.explainxkcd.com/wiki/images/8/82/1608_0980x1073y_Well_bottom.png a girl and a coin] at the bottom is likely a reference to the movie ''The Ring'', which has been referenced before in xkcd. Wells have also come up in xkcd in [[561: Well]] and [[568: Well 2]].

There have been many comics with electric skateboards as mentioned, which do not appear in this comic, but there is one example of a normal '''skateboard'''. This is [https://www.explainxkcd.com/wiki/images/8/89/1608_1038x1095y_Hamsterball_and_stilts_room.png used by Megan] in a room in the Destroyer, while she is inside a {{w|hamster ball}}. There is also [https://www.explainxkcd.com/wiki/images/5/53/1608_0987x1075y_Hamsterball_bowling.png another hamster ball], with a kid (looking like Megan) inside. It is used in a more than human sized {{w|ten pin bowling}} game to the left. '''Hamster balls''' is another item that has been [[:Category:Hamster balls|prominently featured]] in xkcd.

In the weeks prior to the publication, and especially the weeks after, there were also other comics that had a subject which could refer back to Hoverboard in some ways. Maybe these comics were either influenced by the game, or the other way around so that relevant items were added to the game because of these other comics:

*[[1600: MarketWatch]] - the {{w|Washington Monument}} (an obelisk) is part of the skyline depicted, and this monument is the [https://www.explainxkcd.com/wiki/images/2/21/1608_0995x1079y_Entire_Washington_monument_extra_zoom_out.png first that is encountered] in the picture when going left from the play area, plus a [https://www.explainxkcd.com/wiki/images/d/dc/1608_0994x1074y_Base_of_Washington_monument.png comment at the base] of the monument to make sure we know it is the Washington monument, and another [https://www.explainxkcd.com/wiki/images/6/6f/1608_0995x1083y_Tip_of_Washington_monument.png comment at the top] of the monument referring to the {{w|Washington_Monument#Aluminum_apex|aluminum apex}} that constitutes the very tip of the monument, which was very expensive at the time it was installed in 1884, when aluminum was a rare metal as valuable as silver. Today it would not make anyone rich from the metal alone, although the tip would be worth a lot for other historical reasons, but this is not what Cueball's comment is about.
::Cueball to Megan at the bottom: Honestly, it doesn't even look that much like Washington.
::Cueball to White Hat at the tip: Look at that- solid aluminum! We're gonna be rich!

*[[1610: Fire Ants]] - in this game there is a [https://www.explainxkcd.com/wiki/images/d/d2/1608_1078x1095y_Ant_Queen_in_Destroyer.png giant ant queen] inside the Destroyer talking with Cueball about laying eggs. See also [[1641: Hot Dogs]] where Cueball has a similar style conversation, with the same ''Eww'' ending as with the ant queen:
::Cueball: What's up?
::Ant queen: The usual. Poopin' out ants.
::Cueball: Eww.

*[[1611: Baking Soda and Vinegar]] - this is about super volcanoes, vs. [https://www.explainxkcd.com/wiki/images/6/6a/Entire_Volcano_zoom_out.png the Volcano], Mount Doom in the game as indicated by Megan [https://www.explainxkcd.com/wiki/images/7/77/1608_0952x1087y_Ring_of_power_and_lave_floor_at_the_right_crater_top.png throwing rings into the lava]:
::Megan at the edge of the volcano crater: One of these is probably a ring of power or whatever.

*[[1614: Kites]] - Megan is seen with a kite, and in this comic a small girl looking like Megan [https://www.explainxkcd.com/wiki/images/a/ae/1608_0970x1077y_Kite_and_weird_bug.png also has a kite] to the left towards Mount Doom.

*[[1620: Christmas Settings]] - another Star Wars reference to {{w|lightsaber}} noises in the title text. Lightsabers are featured twice in this comic, with [https://www.explainxkcd.com/wiki/images/b/bc/1608_1012x1078y_Bridge_on_the_Rebel_Blockade_Runner.png Ponytail practicing] on the Rebel Blockade Runner, and with a [https://www.explainxkcd.com/wiki/images/2/20/1608_1006x1095y_Pinata_and_Cueball_with_lightsaber_at_top_of_hull.png kid about to hit a Piñata] in the Destroyer.

*[[1623: 2016 Conversation Guide]] - a direct hoverboard reference, and complaint that they are not yet real (only [https://www.explainxkcd.com/wiki/images/0/01/1608_1048x1095y_Two_hoverboards_room.png in this game]).

*[[1630: Quadcopter]] - in this comic three quadcopters act together to abduct Cueball. Thus, making them sentient, like the [https://www.explainxkcd.com/wiki/images/7/7c/1608_0950x1084y_Quadcopters_over_lava_lake_right.png quadcopter who is speaking to another] over the lava lake in the Mount Doom crater to the left.
::Right quadcopter: Remember: There's no such thing as good volcano footage taken by a quadcopter that survived.

*[[1632: Palindrome]] - a reference to the famous palindrome about the Panama canal: "''A Man, A Plan, A Canal: Panama''", and thus also to the [https://www.explainxkcd.com/wiki/images/0/0d/1608_1026x1073y_Ruins_with_Cueball_singing_of_Spiders_and_Panama.png song that Cueball sings] at the ruin to the right, where the first four lines is mashup of the palindrome and {{w|Spider-Man_(theme_song)|the Spider-Man theme song}} (see this [https://www.youtube.com/watch?v=SUtziaZlDeE video]):
::Cueball singing:
:::Spider-man
::::Spider-plan
:::Spider-canal
::::Spider-Panama
:::Gates let in
::::Spider boats
:::Flood the locks
::::Spiders float
:::''Look out!''
:::Spiders in both oceans.

*[[735: Floor]] Instead of pretending the floor is lava as in the comic, they stand by the lava pretending that it is the floor.

===All references===
The contents of the comic are documented in the table below. The table first goes through the entire image from left to right along the ground (i.e., going up the volcano and down in the lair, down the well and up to the top of the Washington Monument.) Then, it goes back to the Rebel Runner, and after that follows the torpedoes up to the Star Destroyer. Finally, it goes through the Star Destroyer from tip to rear in four sections, taking everything within each section top to bottom, before moving on to the next section. In the table are the following columns:

*'''Description''' of the scene depicted in the overview links. If the scene is a zoomed-out overview that covers the images below, its explanation is in '''bold'''. This can be used as a guide to where in the image the scenes are located, unless you sort by column.

*'''Transcript'''. Any text has only been transcribed once. If some scenes overlap, the text has only been written in the first or the one where the text is most central. Also, overviews that has been zoomed out aren'ttranscribedd and are listed as (N/A). However, (None) means the scene doesn't contain text. By sorting the transcript, the scenes with text are shown first.

*'''Overview links'''. There can be many, but the first will always be the overview. If there are secret passages or hiddend environment, two versions of the images are included. The second version, ''Hidden passages in red'', marks these passages in red instead of black.

*'''Tiles (X, Y)'''. For the standard images, there is also a link to the defining image tile on [https://xkcd.com xkcd.com].

*'''References'''. Three things are referenced many times, and each has their own column so the table can be sorted on these:
**'''SW''': {{w|Star Wars}}
**'''LOTR''': {{w|The Lord of the Rings}}
**'''TE''': [[Thing Explainer]]
**'''Other'''. There is also a column for "other" types of references so they can also be sorted, without drowning in the three recurring types of references. These can also be sorted, since they start with "Comics:", "Movies:", etc.

{|class="wikitable sortable"
! rowspan="2" | Description
! rowspan="2" | Transcript
! rowspan="2" | Overview links
! colspan="2" | Tiles (X, Y)
! colspan="4" | References
! rowspan="2" | Explanation
|-
! Main
! Second
! {{abbr|S<br>W|References to STAR WARS in this comic}}
! {{abbr|L<br>O<br>T<br>R|References to THE LORD OF THE RINGS in this comic}}
! {{abbr|T<br>E|References to THING EXPLAINER (Randall's book)}}
! Other
|-
|'''Everything Left of play area.'''|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/d/d4/1608_Everything_Left_of_play_area.png Overview]<br>[https://www.explainxkcd.com/wiki/images/e/e4/1608_Everything_Left_of_play_area_red.png Hidden passages in red]
|Overview
|
|
|
|
|
|Section of the image revealed when going left of the starting point.
|-
|Entire Volcano plateau.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/d/d5/1608_Entire_Volcano_plateau_zoom_out_extra.png Overview]<br>[https://www.explainxkcd.com/wiki/images/3/3d/1608_Entire_Volcano_plateau_zoom_out_extra_red.png Hidden passages in red]
|Overview
|
|
|
|
|
|About halfway from the Play Area to the volcanos slope, there is a steep plateau. This is the part left of this plateau.
|-
|Woman with white hair bun at the left end of world looking right.
|
:Woman: In the sky,
:Woman: beyond the mountain,
:Woman: I saw a starship.
|[https://www.explainxkcd.com/wiki/images/6/63/1608_0928x1082y_At_the_end_of_all_things.png Overview]
|[https://xkcd.com/1608/928:-1082+s.png (928, 1082)]
|
|{{yesno|yy}}
|
|
|
|The woman at the left end of the world tells about the Star Destroyer in the right part of the world. There are four coins in front of her to anyone coming this far.
|-
|Coin and boulders.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/6/63/1608_0933x1083y_Coin_and_boulders.png Overview]
|[https://xkcd.com/1608/933:-1083+s.png (933, 1083)]
|[https://xkcd.com/1608/935:-1083+s.png (935, 1083)]
|
|
|
|
|A single coin hangs in the air above the rocky ground with giant boulders.
|-
|'''Entire Volcano.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/6/6a/Entire_Volcano_zoom_out.png Overview]<br>[https://www.explainxkcd.com/wiki/images/0/01/1608_Entire_Volcano_zoom_out_red.png Hidden passages in red]
|Overview
|
|
|{{yesno|yy}}
|
|Comic: [[1611: Baking Soda and Vinegar]]
|The comic released a week after this one is about a super volcano made in a science fair experiment. As can be seen there is a lair beneath the lava lake. The entrance is revealed by the other link that turns the hidden passages to red. It is for sure possible to get stuck in the lava lake, as everything becomes black in the game when going beneath the surface.
|-
|'''Left Volcano Top.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/4/4e/1608_0943x1087y_Left_Volcano_Top_zoom_out.png Overview]
|Overview
|
|
|
|
|
|A zoom out of the left rim of the volcanic crater.
|-
|Basketball on the volcano.
|
:Ponytail: OK, as soon as it erupts, go for the dunk. Our sweet moves will be preserved for all eternity!
|[https://www.explainxkcd.com/wiki/images/a/a4/1608_0936x1084y_Basketball_on_the_volcano.png Overview]
|[https://xkcd.com/1608/936:-1084+s.png (936, 1084)]
|
|
|
|{{yesno|yy}}
|
|This is a reference to {{w|Pompeii}} a Roman town-city near modern Naples, which has become famous when it was discovered that it had been preserved in the ash when it was mostly destroyed and buried under 4 to 6 m (13 to 20 ft.) of volcanic ash in the eruption of {{w|Mount Vesuvius}} in AD 79. When it was {{w|Pompeii#Rediscovery|found again}} it turned out that people had been surprised by the ash, and thus buried alive. During the excavation, plaster was used to fill in the voids in the ash layers that once held human bodies. This allowed one to see the exact position the person was in when they died. This is what Ponytail wishes for her and Megan, when the volcano they are standing on erupts, a rather morbid wish. She wants their sweet basketball moves to be preserved for eternity. In ''Playing Fields'' in TE basketball is mentioned. It is also played on top of the Destroyer close to the bridge. In this case the coin is on top of the basket, but too large to go into the hoop.
|-
|Old man walking up the volcano.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/5/5d/1608_0937x1085y_Old_man_walking_up_the_volcano.png Overview]
|[https://xkcd.com/1608/937:-1085+s.png (937, 1085)]
|
|
|
|
|
|Is it an old man who just walks up a mountain, or a young man using a walking stick? It makes quite a difference to how this scene is viewed.
|-
|Duck at the left crater top.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/4/41/1608_0940x1087y_Duck_at_the_left_crater_top.png Overview]
|[https://xkcd.com/1608/940:-1087+s.png (940, 1087)]
|
|
|
|
|
|A duck is sitting at the top of the crater. There are several birds in this comic. Another duck looking the other way is found on top of the flag pole near the base of the Washington Monument.
|-
|Megan’s treasure hoard.
|
:Megan: Gooooold!
:Megan: Goold!
:Bags: $ $
|[https://www.explainxkcd.com/wiki/images/4/43/1608_0941x1084y_Megans_treassure_hoarde.png Overview]
|[https://xkcd.com/1608/941:-1084+s.png (941, 1084)]
|[https://xkcd.com/1608/941:-1083+s.png (941, 1083)]
|
|
|
|
|In the side of the crater there is a small cave where Megan has found a treasury hoard and she is celebrating all the gold she has found, including two coins.
|-
|'''Entire Lava lake.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/b/b1/1608_0946x1083y_Entire_Lava_lake_zoom_out.png Overview]<br>[https://www.explainxkcd.com/wiki/images/0/09/1608_0946x1083y_Entire_Lava_lake_zoom_out_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/f/f4/1608_0942x1081y_Lava_lake_left.png Zoom in left part]<br>[https://www.explainxkcd.com/wiki/images/8/82/1608_0942x1081y_Lava_lake_left_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/0/02/1608_0943x1083y_Left_Lava_lake_zoom_out.png Entire left part]<br>[https://www.explainxkcd.com/wiki/images/7/75/1608_0943x1083y_Left_Lava_lake_zoom_out_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/d/d6/1608_0946x1080y_Lava_lake_Upper_shaft_red.png Shaft in lake in red]<br>[https://www.explainxkcd.com/wiki/images/9/94/1608_0947x1081y_Lava_lake_center.png Zoom in central part]<br>[https://www.explainxkcd.com/wiki/images/2/25/1608_0947x1081y_Lava_lake_center_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/f/f7/1608_0949x1083y_Right_Lava_lake_zoom_out.png Entire Right part]<br>[https://www.explainxkcd.com/wiki/images/b/ba/1608_0949x1083y_Right_Lava_lake_zoom_out_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/3/3f/1608_0944x1076y_Lava_lake_very_bottom_of_shaft_and_shaft_in_lair.png Shaft into lair below]<br>[https://www.explainxkcd.com/wiki/images/c/c0/1608_0944x1076y_Lava_lake_very_bottom_of_shaft_and_shaft_in_lair_red.png Hidden passages in red]
|Overview
|
|
|
|
|
|These images only cover the part beneath the surface where there is actually still lava, as can be seen in the images where ''Hidden passages in red''. Only the top of the lair below is shown here. From the hidden passage it is here possible to see how to enter this lair. In the images that shows the hidden part the two loose boulders that float (or are outcrops) in the right part of the lake can be seen as well as the two other holes in the lava lakes floor, which all explain why it is easy to get stuck in the lake once you go below the surface and move around. Since everything is black, you do not even know if the game still works and many people may have given up, maybe reloading after not being able to get on with the game. There is no place in the lake where you can get really stuck, as long as you just push upwards while changing direction from left to right, you are bound to get out sooner or later.
|-
|Rock with Gandalf in Lava lake.
|
:Megan: If you breathe out through you nose a little as you jump in, it can keep you from getting lava in you nasal passages.
:Cueball: Artex!
|[https://www.explainxkcd.com/wiki/images/a/a5/1608_0944x1083y_Rock_with_Gandalf_in_Lava_lake.png Overview]<br>[https://www.explainxkcd.com/wiki/images/f/fa/1608_0944x1083y_Rock_with_Gandalf_in_Lava_lake_red.png Hidden passages in red]
|[https://xkcd.com/1608/944:-1083+s.png (944, 1083)]
|
|
|{{yesno|yy}}
|
|Film: {{w|The Neverending Story}}
|The wizard on the rock represents Gandalf from LOTR. What Megan tells Cueball works fine with water, not so much with lava. The horse Artax (pronounced Artex in the film) [https://www.youtube.com/watch?v=y688upqmRXo drowns in the swamp of sadness] while Atreyu tries to save it and yells its name. Drowning in a swamp sucks, but doing so in lava will make death swifter. Both situations, however, indicate that you can actually go into the lava. If playing for the first time and becoming uncertain what would happen if the hoverboard touched the lava, the player might actually not even try to go into the lava, thus for certain would miss finding the lair beneath the lava.
|-
|Quadcopters over lava lake right.
|
:Right quadcopter: Remember: There's no such thing as good volcano footage taken by a quadcopter that survived.
|[https://www.explainxkcd.com/wiki/images/7/7c/1608_0950x1084y_Quadcopters_over_lava_lake_right.png Overview]<br>[https://www.explainxkcd.com/wiki/images/b/b2/1608_0950x1084y_Quadcopters_over_lava_lake_right_red.png Hidden passages in red]
|[https://xkcd.com/1608/950:-1084+s.png (950, 1084)]
|
|
|
|
|Comics: [[1630: Quadcopter]] and in general those about [[:Category:Robots|Robots]] and [[:Category:Artificial Intelligence|AI]]
|The comic was released shortly after this one, and is about AI quadcopters that abduct Cueball. One of these {{w|quadcopters}} tells the other that no one will think much of their volcano footage if they actually survive. I.e. they have to get too close to the bubbling surface to survive before they actually obtain the footage wished for. It sounds like it tries to instill courage in them to perform this deadly task. There is a coin below the left copter. Drones has become a [[:Category:Drones|recurrent subject]] xkcd.
|-
|'''Entire Lava lair.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/6/69/1608_0946x1075y_Entire_Lava_lair_zoom_out.png Overview]<br>[https://www.explainxkcd.com/wiki/images/e/e0/1608_0946x1075y_Entire_Lava_lair_zoom_out_red.png Hidden passages in red]
|Overview
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|The three rooms of the volcanic lair (and the entrance haft in the image with hidden passages in red).
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|Trending on twitter cave in lair and Lava lake bottom shaft.
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:Cueball: What news of the world above? Please, tell me- what's hot and viral? ''What's trending on Twitter?!!''
|[https://www.explainxkcd.com/wiki/images/6/6e/1608_0944x1079y_Trending_on_twitter_cave_in_lair_and_Lava_lake_bottom_shaft.png Overview]<br>[https://www.explainxkcd.com/wiki/images/2/2a/1608_0944x1079y_Trending_on_twitter_cave_in_lair_and_Lava_lake_bottom_shaft_red.png Hidden passages in red]
|[https://xkcd.com/1608/944:-1079+s.png (944, 1079)]
|[https://xkcd.com/1608/945:-1079+s.png (945, 1079)]
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|Comics with [[:Category:Social networking|Social networking]]
|Cueball has been stuck below the lava for some times without access to the internet, and he now craves news from the world above. But it is not really news stories he craves but only the hot and viral videos and what is trending on {{w|Twitter}}. To be addicted to social networks and viral videos is probably a real infliction and it is a pain for Cueball to not be able to get on-line. Two coins are behind him.
|-
|Elon Musk’s cave in lair.
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:Left Cueball: I always assumed Elon Musk's volcano lair would be like... Tropical. And ...Well, ''pleasant''.
:[[Elon Musk]] in the high chair: Back to your desks, swine!
|[https://www.explainxkcd.com/wiki/images/7/73/1608_0945x1074y_Elon_Musks_cave_in_lair.png Overview]
|[https://xkcd.com/1608/945:-1074+s.png (945, 1074)]
|[https://xkcd.com/1608/946:-1074+s.png (946, 1074)]
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|Comics with [[:Category:Comics featuring Elon Musk|Elon Musk]]
|It turns out that this is [[Elon Musk]]'s lair. Having a secret lair with a hidden entrance is an often uses trope in films. Often it would be the villain (like in a {{w|James Bond}} film) that has such a place, but also heroes, like {{w|Batman}}, uses such hiding places. The joke here is that Cueball has assumed that Elon Musk, an extraordinarily rich and enterprising man, which could be one of these megalomaniacs that might end up being a super villain, would have a bit more class over his secret lair. It also turns out that Elon sits in the cave and shouts at his workers to get back to work, even calling them names. There is also a coin here.
|-
|Ground symbol in lair.
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:Ponytail: So ''this'' is where it is.
|[https://www.explainxkcd.com/wiki/images/2/2d/1608_0947x1073y_Antenna_cave_in_lair.png Overview]
|[https://xkcd.com/1608/947:-1073+s.png (947, 1073)]
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|The antenna looking item hanging from the ceiling is the embodiment of the {{w|Ground_%28electricity%29#Electronics|Earth ground symbol}} commonly used in circuit diagrams for electronics. So this is where the Earth is grounded in "real life" and finally Ponytail has found it. To protect themselves i their long search for this Ponytail and Megan seem to be wearing {{w|Antistatic_wrist_strap|antistatic wrist straps}}. This may also be a reference to the Circuit Diagram comic in which a ground is labeled as "bury deep, but not too deep"
|-
|'''Right Volcano Top'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/7/70/1608_0953x1087y_Right_Volcano_Top_zoom_out.png Overview]<br>[https://www.explainxkcd.com/wiki/images/b/b8/1608_0953x1087y_Right_Volcano_Top_zoom_out_extra.png Extra zoom out]<br>[https://www.explainxkcd.com/wiki/images/7/75/1608_0953x1087y_Right_Volcano_Top_zoom_out_extra_red.png Hidden passages in red]
|Overview
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|A zoom out of the right rim of the volcanic crater. In the extra zoom out the eagles can be seen as well, they are high enough to be missed entirely when moving along the crater surface.
|-
|Ring of power and lave floor at the right crater top.
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:Megan: One of these is probably a ring of power or whatever.
:Girl with hair bun: Let's play a game where the lava is the floor of a house.
|[https://www.explainxkcd.com/wiki/images/7/77/1608_0952x1087y_Ring_of_power_and_lave_floor_at_the_right_crater_top.png Overview]
|[https://xkcd.com/1608/952:-1087+s.png (952, 1087)]
|[https://xkcd.com/1608/953:-1087+s.png (953, 1087)]
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|{{yesno|yy}}
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|Megan tells Cueball that one of the many rings she throws into the crater is probably a {{w|One Ring|''ring'' of power}}, a reference to [https://www.youtube.com/watch?v=FXpF3SUFaDw the scene] from the {{w|The Lord of the Rings: The Return of the King|last LOTR film}} where {{w|Frodo Baggins|Frodo}} fails and {{w|Gollum}} attacks inside the volcano {{w|Mount Doom}}, thus making it clear that the volcano in the game represents this volcano. From her last comment, ''or whatever'', it seems she doesn't care too much, which make it clear, from the LOTR universe, that neither of these rings in the one ring. It would not have be this easy throwing them into the lava if it had been. There seems to be 16 rings, which is less than the other rings that are ruled by the one ring, the 9 for the humans, the 7 for the dwarfs and the 3 for the elves (19 plus the one ring 20 rings in total).

The two girls are playing a dangerous game, the exact opposite of the normal version of the children’s game {{w|Hot lava (game)|Hot lava}}, where they pretend the floor in the house is made out of lava, and that you die if you touch it. However, in this version of the game they pretend to play that the lava is the floor in a house, and they may then just walk out into the lava pool, where they would die.
|-
|Megan sliding down slope on snow sleigh.
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:(None)
|[https://www.explainxkcd.com/wiki/images/1/15/1608_0956x1085y_Megan_sliding_down_slope_on_snow_sleigh.png Overview]
|[https://xkcd.com/1608/956:-1085+s.png (956, 1085)]
|[https://xkcd.com/1608/956:-1086+s.png (956, 1086)]
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|Megan is sliding fast down the crater side. She will hit a jump near the coin, and would probably fly a considerable distance given the speed she seems to have.
|-
|Eagles over right crater top.
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:Left eagle: Tolkien said Frodo left the cloak somewhere over here.
:Right eagle: Can't ''he'' just fix it?
:Left eagle: He doesn't want to rewrite that chapter.
|[https://www.explainxkcd.com/wiki/images/c/cb/1608_0956x1088y_Eagles_over_right_crater_top.png Overview]
|[https://xkcd.com/1608/956:-1088+s.png (956, 1088)]
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|{{yesno|yy}}
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|Frodo's mithril cloak was taken from him at Cirith Ungol, which, along with other items, was recovered by Gandalf and returned to him at Minas Tirith. Some readers have been confused by this turn of events however, due to it not being present in some versions of the movie adaptation. Two of the {{w|Eagle (Middle-earth)|great eagles}} from LOTR flies above the right crater top. In this situation the eagles are being used to find {{w|Frodo|Frodo's}} cloak, with one eagle complaining that "he", meaning {{w|J. R. R. Tolkien}} the author of LOTR, should just fix the issue without the eagles. This is a reference to the eagles use in LOTR as a {{w|Deus ex machina|deus ex machina}} and the [https://periannath.com/feature/why-doesnt-frodo-just-ride-an-eagle-to-mount-doom/ supposed plot hole] of the eagles not [https://tolkiengateway.net/wiki/Eagles#Flying_the_Ring_to_Mount_Doom flying the ring to mordor]. However, this was of course not possible before Sauron and his ringwraiths were defeated.
|-
|Ponytail racing down the steep slope on a bike.
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:Ponytail: 114 mph!
:Ponytail: Suck it, previous downhill volcano record-holder!
|[https://www.explainxkcd.com/wiki/images/c/cd/1608_0958x1083y_Ponytail_racing_down_the_steep_slope_on_a_bike.png Overview]
|[https://xkcd.com/1608/958:-1083+s.png (958, 1083)]
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|Ponytail is trying to break the world record for downhill race on a bike on a volcano. The {{w|Cycling_records#History_of_downhill_records|record}} at the time of this comic was from 2002 and was 107 mph (172 km/h) easily beaten by the 114 mph (183 km/h) that Ponytail reaches as she mocks the previous record holder. There were two different records, one for prototype bike by {{w|Éric Barone}} (the 107 mph (172 km/h)) and one for serial production bicycle (102.5 mph (164.95 km/h) set in 2011 by {{w|Markus Stöckl}}). She beat them both and it looks like a very ordinary bike she rides. The all-time record for downhill racing is not using the ashy slopes on volcanos but from racing on snow, and here the record is not in danger from Ponytail as it is a staggering 138 mph (222 km/h) again with a lesser record for serial produced bikes of 130 mph (210 km/h). She will soon hit a rock outcrop so hopefully she has very good brakes...
|-
|Tell my wife why you left me there, and Megan and Cueball with a device
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:Right Cueball: If I don't make it back...
:Right Cueball: ...Tell my wife...
:Right Cueball: ...Where I am...
:Right Cueball: ...And why you left me there…
|[https://www.explainxkcd.com/wiki/images/c/ce/1608_0960x1081y_Tell_my_wife_why_you_left_me_there.png Overview]
|[https://xkcd.com/1608/960:-1081+s.png (960, 1081)]
|[https://xkcd.com/1608/961:-1081+s.png (961, 1081)]
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|''If I don't make it back'' is a common [https://tvtropes.org/pmwiki/pmwiki.php/Main/IfIDoNotReturn trope] in films and books used when the speaker is about to make a noble sacrifice. The speaker will then usually tell the other to go tell his wife that he died bravely or that his friends should remember him. There is even a [https://vimeo.com/58319575 song] with the same title by {{w|Tracy Lawrence}}. In Cueball's case, both him and his companion are attempting to scale a dangerous mountain and neither are inclined to sacrifice their own lives for the other. Cueball appears to be struggling, climbing on all fours while his friend is standing. Subverting the trope, he attempts to guilt trip his friend into helping him.

Also here are Megan with some kind of device and Cueball on top of a large boulder. Maybe they are investigating the environment on the volcanic slope. Cueball has just discovered the coin hanging above them.
|-
|It becomes a V7 if the volcano erupts and Ponytail and Cueball on the slope
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:Megan: This is currently a V2, but it becomes a V7 if the volcano erupts.
|[https://www.explainxkcd.com/wiki/images/7/75/1608_0962x1080y_It_becomes_a_V7_if_the_volcano_erupts.png Overview]
|[https://xkcd.com/1608/962:-1080+s.png (962, 1080)]
|[https://xkcd.com/1608/963:-1079+s.png (963, 1079)]
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|Megan and Cueball climb a very steep part of the mountain slope. In {{w|bouldering}}, the relative difficulty of a bouldering problem is graded using the {{w|Grade (bouldering)|V scale}}. She exclaims that at the moment the climb is only a V2, but if the volcano erupts this would increase to V7. The joke is that the shaking ground and the lava resulting from the eruption would obviously make it harder to complete the bouldering problem without getting killed. In reality, passing environmental conditions do not affect the grade that a bouldering problem receives.
|-
|Megan reading for children about Sauron’s ring.
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:Megan: "The time has come" the Walrus said, and put on a Sauron's ring…
|[https://www.explainxkcd.com/wiki/images/6/66/1608_0964x1078y_Megan_reading_for_children_about_Saurons_ring.png Overview]
|[https://xkcd.com/1608/964:-1078+s.png (964, 1078)]
|[https://xkcd.com/1608/964:-1079+s.png (964, 1079)]
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|{{yesno|yy}}
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|The line ""The time has come" the Walrus said, to talk of many things" is from the poem {{w|The Walrus and the Carpenter}} by {{w|Lewis Carroll}}'s book {{w|Through the Looking-Glass}}, the sequel to {{w|Alice's Adventures in Wonderland}}. {{w|Sauron}} is the main enemy in LOTR, the one who has made the ring, and now needs it to gain his powers back. In this mixed poem the second line is changed but follows the same rhyme scheme. But although ''rings'' would have rhymed with ''things'', it of course have to ''ring'' as the {{w|walrus}} can only put the {{w|One Ring|one ring of power}} on, while uttering the now much more ominous sounding phrase ''The time has come''. Megan is reading this poem/story at the base of the volcano Mount Doom where the ring was created and later destroyed. Like Frodo, Sauron is one of the characters from LOTR who is only mentioned, not shown, in the comic.
|-
|Vaping Earth.
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:Cueball: The Earth is vaping.
|[https://www.explainxkcd.com/wiki/images/b/bd/1608_0969x1077y_Vaping_Earth.png Overview]
|[https://xkcd.com/1608/969:-1077+s.png (969, 1077)]
|[https://xkcd.com/1608/968:-1077+s.png (968, 1077)]
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|{{w|Vaping}} is a term used instead of smoking for the use of electronic cigarettes. There is even a game called the {{w|Vaping game}} for blowing extra large clouds of vapor out while using these substitutes for cigarettes. Cueball remarks that here it is the Earth that does so, due to the volcanic activity of the nearby volcano.
|-
|'''Left of play area to Kite.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/a/a9/1608_Left_of_play_area_to_Kite.png Overview]<br>[https://www.explainxkcd.com/wiki/images/8/80/1608_Left_of_play_area_to_Kite_red.png Hidden passages in red]
|Overview
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|This is the area from below the volcano's slope and towards the play area. There are several hidden places and pools that can be seen in the second image link.
|-
|Kite and weird bug.
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:Mom: Check out this one weird bug, discovered by a local mom.
:Girl: Oh my God, mom, stop saying everything like that.
|[https://www.explainxkcd.com/wiki/images/a/ae/1608_0970x1077y_Kite_and_weird_bug.png Overview]<br>[https://www.explainxkcd.com/wiki/images/a/a4/1608_0970x1077y_Kite_and_weird_bug_red.png Hidden passages in red]
|[https://xkcd.com/1608/970:-1077+s.png (970, 1077)]
|[https://xkcd.com/1608/972:-1077+s.png (972, 1077)]
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|{{yesno|yy}}
|Comic [[1614: Kites]] and in general the [[:Category:Kites|kite category]]. Also the [[:Category:Clickbait|Clickbait category]]
|The comic was released only two weeks after this game, and although it is clearly a girl in this comic, she looks like Megan who sets up the kite in the next comic. There is also a kite in ''Sky Toucher'' in TE and kites is a recurring theme in xkcd.

The mother that discovers the bug is [[Blondie]]. She talks like she is one of the {{w|clickbait}} headlines used for getting people to click in on the link generally aimed at generating online advertising revenue, which fits nicely with her recurring theme of as a news anchor. Her daughter is tired of this, especially as it seems like the mother speaks like that all the time. This may embarrass the girl, especially if she is with a friend rather than a brother. Maybe the mother has been reading too many clickbait news on-line? As noted in the other references ''clickbait'' is a recurring theme in xkcd. The mother is near a small lake, so it is likely that there is plenty of insects and other bugs. It is possible to sink into the lake as can be seen in the second image with the hidden parts shown in red.
|-
|Space capsule with parachutes.
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:Bird thinking: I don't remember laying these but ''wow'' they're already flying. Gonna be awesome when they hatch.

:Cueball: Yes! My phone has a signal.
:Voice from inside: How many new likes did we get during reentry?
:Cueball: I'm checking!
|[https://www.explainxkcd.com/wiki/images/e/e2/1608_0976x1079y_Space_capsule_with_parachutes.png Overview]
|[https://xkcd.com/1608/976:-1079+s.png (976, 1079)]
|[https://xkcd.com/1608/976:-1080+s.png (976, 1080)]
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|{{yesno|yy}}
|Comic : [[1133: Up Goer Five]]
|The book TE was based on the comic ''Up Goer Five'' which was about the rocket that took this space capsule to the moon. When it lands it uses three large parachutes to slow down after the main brake-down during reentry. On top of these sits a bird looking like a hen. It is a hen that can think, but it is still not very clever. It believes that this is three eggs, and is amazed that they are already flying before they hatch, which is of course ridiculous, but they do float in the air...

The astronauts inside (two at least, but there should be three if it was one of the moon landing missions) has just been waiting to get close enough to Earth again that they can get a signal on their smart phones. Cueball is even opening the hatch during descend to increase this chance, which would be highly dangerous. Also normally they would land in water (which will though not be the case this time). The reason he does this is that they wish to know how many more likes they (and their mission) has received during the reentry. This would have been relevant if the moon landings had taken place today. There where no social media or internet back in 1969. This is similar to the Cueball who is trapped in the lava lair without connection to Twitter.
|-
|Girl running to other girl and small forest.
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:(None)
|[https://www.explainxkcd.com/wiki/images/3/30/1608_0978x1077y_Girl_running_to_other_girl_and_small_forrest.png Overview]
|[https://xkcd.com/1608/978:-1077+s.png (978, 1077)]
|[https://xkcd.com/1608/976:-1077+s.png (976, 1077)]
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|Just two young girls playing near a forest of low trees. But with the space capsule above the forest.
|-
|Entire well - zoom out.
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:(N/A)
|[https://www.explainxkcd.com/wiki/images/2/2e/1608_0980x1075y_Entire_well_zoom_out.png Overview]<br>[https://www.explainxkcd.com/wiki/images/0/06/1608_0980x1075y_Entire_well_zoom_out_red.png Hidden passages in red]
|Overview
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|Comics in the [[561: Well|Well series]].
|There are many similarities in this well to the [[561: Well|Well series]]. Someone is looking into a well that has the same general appearance and there is a person inside which turned out to be the case in [[568: Well 2]]. People throw coins into it and there is a coin at the bottom in the game (although above the water.)
|-
|Well top.
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:(None)
|[https://www.explainxkcd.com/wiki/images/7/70/1608_0980x1077y_Well_top.png Overview]
|[https://xkcd.com/1608/980:-1077+s.png (980, 1077)]
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|Cueball looks into the deep well.
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|Well bottom.
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:Girl: I'm not a ghost. I just like wells.
|[https://www.explainxkcd.com/wiki/images/8/82/1608_0980x1073y_Well_bottom.png Overview]<br>[https://www.explainxkcd.com/wiki/images/a/aa/1608_0980x1073y_Well_bottom_red.png Hidden passages in red]
|[https://xkcd.com/1608/980:-1073+s.png (980, 1073)]
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|At the bottom of the well in the water (see also the hidden passages image) is a girl. Above to the left of her is a coin. Maybe thrown in by Cueball at the top. Ghost living in wells is a common theme, for instance there is a Japanese movie {{w|Banchō Sarayashiki}} whose [https://www.imdb.com/title/tt0202946/releaseinfo English title] is ''Ghost in the Well''. So, this is why this real girl explains that she is actually not a ghost, she just like wells and thus likes to sit in the cold water at the bottom of wells. This could be very dangerous, and she will probably have a hard time getting up. It is also a very deep well, so falling into this well might very well be lethal. There are also many stories (in this case also real stories like the one about {{w|Jessica McClure}}) about kids that fall into wells, some of them surviving being stuck for several days in the wells. Also, in movies this story is often used, for instance in {{w|Batman Begins}} the young Bruce Wayne falls down a dry well and is attacked by a swarm of bats, subsequently developing a fear of bats.
|-
|Entire gas station with birds above
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:(N/A)
|[https://www.explainxkcd.com/wiki/images/b/b3/1608_0982x1079y_Gas_station_with_birds_above_with_coin_on_string.png Overview]<br>[https://www.explainxkcd.com/wiki/images/8/83/1608_0982x1079y_Gas_station_with_birds_above_without_coin_on_string.png Without coin]
|Overview
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|The two birds with a coin between them flying above the gas station is way too high up, to be discovered when just moving normally over the gas station, even jumping once up from the highest spot. This is thus one of several coins that are easily missed. There is more explanation this scene where these two individual scenes are described.
|-
|Gas station with x-wing.
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:(None)
|[https://www.explainxkcd.com/wiki/images/4/44/1608_0982x1077y_Gas_station_with_x-wing.png Overview]
|[https://xkcd.com/1608/982:-1077+s.png (982, 1077)]
|[https://xkcd.com/1608/983:-1077+s.png (983, 1077)]
|{{yesno|yy}}
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|Megan has managed to land her {{w|x-wing}} fighter from the rebel fleet in Star Wars right next to a standard gas station. And she has planned to fill her spaceship up. That it could run on petrol for cars seems highly unlikely. The question is if she has already filled it up and is heading back with the handle to the gas stander, or if she has just discovered that the hose is not long enough to reach all the way under the wing to the fighter. It will have taken considerable skills to land this close to the station without hitting the cover over the stander. Ponytail is sitting in the shop with a coin. This is the first coin to be discovered when going left from the play-area. There is a long stretch without coins to begin with. The coins on the rock island in the sky it on this stretch, but so far above that most people would miss them altogether. There is also a coin with two birds straight above the right wing on the X-wing. But about three jumps up, so it is easy to miss. To get into the shop you need to go over the stander and back. Why Cueball have crawled up in the roof is not clear. But maybe he is enjoying the view over the cliff that is to the right of the station. There is a stop sign to the left, but there seems to be no road that way. Maybe that is why you should stop...
|-
|Birds with coin.
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:(None)
|[https://www.explainxkcd.com/wiki/images/7/7e/1608_0982x1079y_Birds_with_coin.png Overview]<br>[https://www.explainxkcd.com/wiki/images/9/9e/1608_0982x1079y_Birds_without_coin.png Without coin]
|[https://xkcd.com/1608/982:-1079+s.png (982, 1079)]
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|Film: {{w|Monty Python and the Holy Grail}}
|In the film it is discussed if two swallows could carry a coconut between them on a string as the two birds do with the coin here. First when the coin has been taken, can the string between the birds be seen (see the other image). The birds are three jumps above the X-wing below, and this coin is thus easily missed by the players. In the film the horses are simulated with the sound of two coconuts shells being hit together. Someone asks how they happened to be in England and there is discussion about migratory birds like {{w|swallows}} and the possibility that they have brought the coconuts along with them. But the consensus is that they cannot do this by themselves the coconut being too heavy, but then it is suggested that two swallows could carry it on a string between them. Later in the film someone is seen actually tying two birds together to a coconut. In this comic, we now know how the coins have been transported through the image...
|-
|Our kingdom from a cliff.
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:Cueball: Everything the light touches is our kingdom.
:Girl: What's with the shadowy place over there?
:Cueball: That is beyond our borders.
:Girl: No, I mean what object casts a shadow over a whole region?
:Cueball: Oh, that's god. He lives over there.
|[https://www.explainxkcd.com/wiki/images/a/a0/1608_0986x1076y_Our_kingdom_from_a_cliff.png Overview]
|[https://xkcd.com/1608/986:-1076+s.png (986, 1076)]
|[https://xkcd.com/1608/986:-1075+s.png (986, 1075)]
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|Film: {{w|The Lion King}} and comic: [[1504: Opportunity]] as well as [[:Category:The Lion King|The Lion King category]]
|Cueballs lines is from The Lion King and has been used directly before in the comic Opportunity. Randall has made several references to the film in xkcd, and it is obvious that he was very affected by this film that came out when he was just the right age.

Cueball is talking to a child version of Ponytail, whose mother may be the one climbing up the cliff side below. The first three lines of the quote goes as in the film, but then it turns out that the girl is properly referring to the Star Destroyer that would be clearly visible from this cliff as it covers almost the entire right part of this world from just beyond the play-area. (They do not look high enough to see the rock island in the sky, and it would also not cast shadow over an entire region.) As it is not certain players coming here have already been to the right to see the Destroyer it is not necessarily clear that the reply from Cueball should apply to the Destroyer. But if it does then it would be the Emperor Palpatine that he refers to as God. The emperor is on board the Destroyer near the bridge at the very top rear end of the spaceship and has God like powers. It could however also just be a general reference to the {{w|God}} and thus be inferred as if God cast a shadow over an entire region (country). Maybe just in general as if he has a place in the sky that cast a shadow (like sitting on a cloud). Alternatively, it could be the people who believe too much in any God, which can be viewed as living under a shadow, as they will not try to see any reality if it does not fit with their religious beliefs.
|-
|Hamster ball bowling.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/5/53/1608_0987x1075y_Hamsterball_bowling.png Overview]
|[https://xkcd.com/1608/987:-1075+s.png (987, 1075)]
|[https://xkcd.com/1608/989:-1074+s.png (989, 1074)]
|
|
|{{yesno|yy}}
|Comics: [[:Category:Hamster balls|Hamster ballscategory]]
|There have been several xkcd comics with human sized hamster balls, and there is even one more in this comic up in the Destroyer. In this scene it is two young girls that use the hamster ball as a bowling ball in a human sized {{w|ten pin bowling}} game. Hopefully, the little girl with the hair bun behind the pins get away in time if it is a strike. It is the first time hamster ball and bowling has been matched, but in TE there are bowling alleys both on the ship ''The USS Laws of the Land'' and on the suspension of the longest bridge in ''Tall roads'' and such an alley is also used for measuring length in ''How to count things''. One of the many large trees that are found in the drawing is standing alone in this scene. Most other places there are more than one tree together.
|-
|If loving you is wrong I don’t want to and Beret Guy following insects
|
:Cueball: If loving you is wrong, I don't want to.
|[https://www.explainxkcd.com/wiki/images/4/4f/1608_0990x1074y_If_loving_you_is_wrong_I_dont_want_to.png Overview]
|[https://xkcd.com/1608/990:-1074+s.png (990, 1074)]
|[https://xkcd.com/1608/991:-1074+s.png (991, 1074)]
|
|
|
|Song (or quote): {{w|(If Loving You Is Wrong) I Don't Want to Be Right}}
|A reference to either the [https://krexy.com/if-loving-you-is-wrong general love quote] or maybe more likely to the song [https://www.youtube.com/watch?v=FvJj7SN9EWI performed most notably] by {{w|Luther Ingram}}. Recently (2014), there has also been a TV series produced called {{w|If Loving You Is Wrong (TV series)|If Loving You Is Wrong}}.

The quote is very romantic, because the speaker is stating that if it is wrong to love a specific person, the speaker chooses to be in love and does not wish to be right. However, Cueball twist the quote quite a lot, saying instead that if it is wrong to love Ponytail then he does not want to love her at all - taking all romance out of the statement.

Also in this scene is one of only two instances where Beret Guy appears. Typical of his past appearances, he seems to be occupied by following a small flying insect through the tall grass.
|-
|'''Entire Washington monument'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/2/21/1608_0995x1079y_Entire_Washington_monument_extra_zoom_out.png Overview]
[https://www.explainxkcd.com/wiki/images/a/ae/1608_0995x1079y_Entire_Washington_monument_extra_zoom_out_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/7/7a/1608_0995x1078y_Middle_of_Washington_monument_zoom_out.png Central hidden passage]<br>[https://www.explainxkcd.com/wiki/images/6/6d/1608_0995x1078y_Middle_of_Washington_monument_zoom_out_red.png Hidden passages in red]

|Overview
|
|
|
|
|Comic: [[1600: MarketWatch]]
|The tallest manmade structure on the ground in this game is the {{w|Washington Monument}} which recently before the release of this comic was referred to in the mentioned comic. As can be seen in the hidden passages images there are two secret passages, one at the bottom (see this scene for more) and one in the middle of the monument. The one in the central part of the monument is actually quite large, and as can be seen in the images zooming in on the central part there is also a fault line in the monument at the base of this hidden passage. But it doesn't really lead to anywhere interesting. The fault line could be a reference to the {{w|Washington_Monument#2011_earthquake_damage|earthquake damage}} from 2011 where several stones cracked.
|-
|Base of Washington monument with Cueball and Megan
|
:Cueball: Honestly, it doesn't even look that much like Washington.
|[https://www.explainxkcd.com/wiki/images/d/dc/1608_0994x1074y_Base_of_Washington_monument.png Overview]<br>[https://www.explainxkcd.com/wiki/images/1/16/1608_0994x1074y_Base_of_Washington_monument_red.png Hidden passages in red]
|[https://xkcd.com/1608/994:-1074+s.png (994, 1074)]
|[https://xkcd.com/1608/995:-1074+s.png (995, 1074)]
|
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|
|At the base of the Washington Monument Megan and Cueball is looking up at it, and Cueball complains that it doesn't even look like {{w|Washington, D.C.|Washington}}. By "Washington" he could be referring to the city of Washington DC or to the real Washington monument, but he is probably referring to the first US President George Washington, since monuments often depict (look like) the person they are dedicated to, but the real Washington monument is not meant to look like Washington himself. Cueball seems to have expected all presidential monuments to include a statue of the honored president and is confused and disappointed when the monument fails to meet his expectations. Of course, since this is the only Washington based building in the game it is true that the place doesn't look like the city. If he refers to the monument, then it can be questioned if this is because the monument is not an exact replica (in proportions and/or scale). In any case it is clearly meant as an indicator that this is supposed to look like the monument, and with the tip's apex being made of aluminum (see that scene) as on the real monument, there can be no doubt what is referenced. It is possible to get to the left side of the monument without going up to see the tip, if the player immediately understands the sign with the white arrow that points to a hidden passage through the base of the monument, as can be seen in the second image with the hidden passages shown in red.

To the left of the monument there is a flagpole with a blown-out flag. It is all black, but it should be the {{w|Flag of the United States|the Stars and Stripes}} as there are fifty flag poles with the US flag (one for each [[1653: United States Map|state]]) surrounding the monument in a circle. On top of the pole there sits a duck looking left. Towards the end of the world to the left on top of the left volcanic rim there also sits a similar duck looking right.
|-
|Tip of Washington monument with Cueball and White Hat
|
:Cueball: Look at that- Solid aluminum!
:Cueball: We´re gonna be rich!
:White Hat: Uh, what the heck is ''that?!''
|[https://www.explainxkcd.com/wiki/images/6/6f/1608_0995x1083y_Tip_of_Washington_monument.png Overview]
|[https://xkcd.com/1608/995:-1083+s.png (995, 1083)]
|[https://xkcd.com/1608/995:-1084+s.png (995, 1084)]
|
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|The tip of the monument is actually {{w|Washington_Monument#Aluminum_apex|made of solid aluminum}} and at the time this {{w|aluminum}} apex was installed it was a rare metal as valuable as {{w|silver}}, but today it is maybe about 1/300 as valuable as silver. So Cueball and White Hat will not become rich based on the metal value. Of course, if they did steal the tip of such a famous monument, they might actually be able to sell it to a scrupulous collector at a value comparable to if was just a lump of silver of that weight.

White Hat looking over his shoulder spots the Star Destroyer and thus help guide a player that has started going left towards the Destroyer to the right. How they have managed the climb, getting the ropes over the tip, or how Cueball intends to get down with the tip is left to the readers imagination...
|-
|'''Entire floating rock island.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/5/5c/1608_0994x1110y_Entire_floating_rock_island_zoom_out.png Overview]
|Overview
|
|
|
|
|Film: {{w|Avatar (2009 film)|Avatar}}
|This floating rock island may be a reference to the film Avatar where floating rocks is part of the scenery of the fictive moon {{w|Fictional_universe_of_Avatar#Astronomy_and_geology|Pandora}}. The rock in the game is very hard to find by chance, it is kind of unobtainable, which may be a further reference to the film since the reason the rocks do float is a combination of a weak gravity, a strong magnetic field and a mineral whose {{w|Superconductivity|superconductive properties}} allow it to float in magnetic fields. Of course, the levitating Hallelujah Mountains in the film contain significant quantities of the mineral which is called {{w|Unobtanium}}. Only thing pointing towards it is the Washington Monument and even if you go up from there, pushing the up arrow continuously for more than half a minute you may almost miss it, as only the far-right girl would move through the view. And with two coins around this island, it is important to find it in order to get all coins. Apart from the coins and the surprise there is little of interest here, and not even any spoken text.

To the right just beneath the rear end of the Destroyer there is a small lump of earth that has floated up from the ground, hovering over the corresponding hole in the ground. Maybe this is caused by the same force that have created this floating island.
|-
|Top left of floating rock island with coin.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/f/f5/1608_0989x1112y_Top_of_floating_rock_island_with_coin.png Overview]
|[https://xkcd.com/1608/990:-1112+s.png (990, 1112)]
|[https://xkcd.com/1608/990:-1111+s.png (990, 1111)]
|
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|The large rock on top of the floating island is one of only two places where there is anything at a coordinate of Y=1112. On top of the globe of Death over the bridge of the destroyer, there are three images at the top of this that enters 1112. And there [https://xkcd.com/1608/1078:-1112+s.png the very top] is just slightly higher up. But there is no coin there, so the coin that would be in the tile used for main reference here that holds the coin is the highest location for any coin in the game, as the Globe of Death has its coin in its center below the top.
|-
|Top right of floating rock island with base jumpers.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/9/92/1608_0993x1112y_Top_of_floating_rock_island_with_base_jumpers.png Overview]
|[https://xkcd.com/1608/994:-1111+s.png (994, 1111)]
|
|
|
|{{yesno|yy}}
|
|In ''Sky Toucher'' in TE two people jump of a cloud, like the base jumpers Megan and Ponytail does here from the floating rock, but at least these two girls do have parachutes on (as opposed to the cloud jumpers in TE). How they got here is a good question, but of course they could have flown here in for instance the X-wing from below at the gas station.
|-
|Bottom of floating rock island with coin.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/e/e1/1608_0992x1109y_Bottom_middle_of_floating_rock_island_with_coin.png Overview]
|[https://xkcd.com/1608/992:-1109+s.png (992, 1109)]
|[https://xkcd.com/1608/993:-1109+s.png (993, 1109)]
|
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|At the bottom of the island several small and large boulders can be seen hanging only loosely on to the bottom. At the center the largest rock can be seen, but even this is slipping a little as can be seen by the small white speck high over the very bottom of this boulder. Right of this is the other coin that belongs to this hidden place in the sky.
|-
|'''Entire Play Area - zoom out.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/7/7b/1608_1001x1074y_Entire_Play_Area_Zoom_out.png Overview]<br>[https://www.explainxkcd.com/wiki/images/8/8b/1680_Play_Area_Full_Size_Coins_Hoverboard_and_View.png With starting view]
|Overview
|
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|The entire play area with the walls and their outer foundation. See also the insert with the starting view shown in red in the second image link and see more about the buildup of scenes from the individual image tiles using the [[#Image coordinates|play area down below]]. It is easy to see how a player of the game, with no knowledge of Randall's way of thinking, may not even think about exploring outside this area, even if they do try to go outside the maze. Because it is possible to jump around in the maze without discovering that you can actually fly rather than just jump. If you only jump once, you cannot see the too op the walls. On top of this there is the large [https://www.explainxkcd.com/wiki/images/a/ae/Return_to_the_play_area.PNG red warning letters] telling you to go back if you try to leave the confines of the wall.
|-
|The Play Area.
|
:My new book,
:''Thing Explainer,''
:comes out today!
:To celebrate, here's
:a small game.

:Deposit coins here
|[https://www.explainxkcd.com/wiki/images/6/6c/1608_1000x1074y_The_Play_Area.png Overview]<br>[https://www.explainxkcd.com/wiki/images/3/30/1608_1000x1074y_The_Play_Area_red.png Hidden passages in red]
|[https://xkcd.com/1608/1000:-1074+s.png (1000, 1074)]
|[https://xkcd.com/1608/1000:-1075+s.png (1000, 1075)]
|
|
|{{yesno|yy}}
|
|This is the starting area where the game begins. There is even some extra text telling you to ''Use arrow keys to move'' but as soon as you do, this text disappears, just like the [[#Coins|message you can receive]] below in the view depending on your action in this area. The text below the starting point of the hoverboard Cueball that you control, explains that the game is released on this day to celebrate the release of Randall's new book [[Thing Explainer]] and thus directly references the book. And also explains why this comic has been made, and furthermore why it was released on a Tuesday rather than the usual Wednesday release, which was then skipped this week. It also explains that if you collect coins, you can deposit them at the terminal, and when you do it list the score (number of coins and the time used) and rates your achievement. By noting that [https://www.explainxkcd.com/wiki/images/7/7e/17_coins.PNG you got all the coins] if you collect all seventeen coins in the play area maze, then it is one more trick to try to make you stay inside the walls of the maze. There is only one small feature that can be spotted from within the maze that breaks the symmetry and may give away the clue of the game. And that is the small stone that lies on the ground to the left. Because why should it be there, if this was just a platform/maze game. The walls cannot be seen if you stay in or just around the outer wall of the maze. But if you go to them, you may think this is the end. Another detail about the game to be learned already here is that there can be "solid" black parts of the surroundings which are not solid at all. This can be seen in the image showing the hidden passages in red. Here it can be seen that the ledge beneath the two inverted parenthesis " )( " is not solid, and that you can fall or jump up through this section. This could forewarn you of the hidden passages, especially to the lair beneath the volcano which are the only real hidden place based on hidden passages, but also for those in the Washington Monument and in the cotton trap in the Destroyer and the glitch floor also on the Destroyer.
|-
|'''Everything Right of Washington monument.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/6/66/1608_Everything_Right_of_washington_monument.png Overview]
|Overview
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|
|Most of the details in the image is found to the right of the play-area, mainly in the form of the rooms in the Destroyer. On the ground only a few artifacts are large enough to be seen in this zoomed out version. The three T's and the forest, and then of course the pyramid. Interestingly enough there are almost more to be seen inside the Destroyer with the two large rooms (the cave and the Glitch floor room) both being large enough to [https://www.explainxkcd.com/wiki/images/b/bf/1608_Entire_Cave_With_entire_pyramid_for_scale.png accommodate the entire pyramid].
|-
|Cueball outside play area.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/c/c0/1608_1004x1074y_Cueball_outside_play_area.png Overview]
|[https://xkcd.com/1608/1004:-1074+s.png (1004, 1074)]
|[https://xkcd.com/1608/1003:-1074+s.png (1003, 1074)]
|
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|Typically reading direction would lead a player to this location first after escaping the play area. Is this is indeed the case then the grass and after that Cueball is the first hint that something more is going to happen in this game. Apart from the Cueball standing inside the play area, this is the closest person to the play area. He is just standing there doing nothing, so it is still not clear how big this is going to be.
|-
|Megan points at Runner after forest.
|
:Megan: Wow.
|[https://www.explainxkcd.com/wiki/images/5/53/1608_1008x1074y_Megan_points_at_Runner_after_forest.png Overview]
|[https://xkcd.com/1608/1008:-1074+s.png (1008, 1074)]
|[https://xkcd.com/1608/1006:-1074+s.png (1006, 1074)]
|
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|
|The small forest with two large trees and several small ones is the first really interesting to show up if exiting the play area to the right for the first time and finally a person actually speaking shows up (although Cueball at the base of the Washington Monument to the right would be closer). Megan is not saying much, but she is clearly reacting to something. It could be to one or both the space ships above her. Since the Destroyer is already on top of her, as the front end of that ship is just short of being above the right wall of the play area, then it could also be the Rebel Runner she is pointing out. No matter what, following her arm going up and right it is likely that the runner will enter the view, but it is possible to miss it, in which case there would be a long way up to the Destroyer. Megan and Cueball is standing on the edge of a cliff, offering them an excellent view. Stepping down on the plateau below the cliff takes the player close to the lowest possible level to be at in the game. There are no tiles with any white below that level (1073). But the lowest point is first in the Ocean.
|-
|Cliff with rock and cactus.
|
:(None, or rather the text has been written in the previous scene)
|[https://www.explainxkcd.com/wiki/images/f/f2/1608_1010x1073y_Cliff_with_rock_and_cactus.png Overview]<br>[https://www.explainxkcd.com/wiki/images/c/c4/1608_1010x1073y_Cliff_with_rock_and_cactus_red.png Hidden passages in red]
|[https://xkcd.com/1608/1010:-1073+s.png (1010, 1073)]
|[https://xkcd.com/1608/1008:-1073+s.png (1008, 1073)]
|
|
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|After the grassy ground and the forest above the cliff to the left this marks the beginning of a long stretch of barren land ending in a dessert before reaching the ocean. Here a cactus and two large boulders display this inhospitable terrain. It seems like something is sitting on top of the smaller boulder, this could be a lizard, but it is too small to be certain. But that it is not part of the rock can be seen in the other image showing the parts of the image that you can walk through in red. And this small "lizard" is obviously sitting on top of the boulder.
|-
|Entire wires from ground to Runner.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/7/76/1608_1014x1076y_Entire_wires_from_ground_to_Runner.png Overview]
|Overview
|
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|Here is the first direct link from the ground to the Destroyer. This specific link takes the player from the ground level up along one of the three wires to the bottom of the hull of the Rebel Runner. If you went straight for the runner without going further right, the first coin you would find to the right would be one of the three at the runner. Else the first coin to the right (along the ground) would be in the dunes before Ponytail to the right.As can be seen the three wires are held by people and are then attached with anchors to the hull. Megan is climbing up the last of the three wires. See more in the specific scenes.
|-
|Three wires and people holding on on the ground
|
:(None)
|[https://www.explainxkcd.com/wiki/images/c/c9/1608_1013x1073y_Three_wires_and_people_holding_on.png Overview]
|[https://xkcd.com/1608/1013:-1073+s.png (1013, 1073)]
|[https://xkcd.com/1608/1011:-1073+s.png (1011, 1073)]
|
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|Three pairs of people are trying to hold on the three wires going straight up. Cueball and Megan holds on leaning left on the left wire, another Cueball and Hairy hold on to each side of the middle wire and finally yet a Cueball holds on to the last, while a small girl with a hair bun steps on the end of the wire, like she would be able to walk it like a tightrope. This should not be physically possible as the ropes do not seem to be attached to the ground, at least not the one to the left. But there can be no doubt that the drawing shows her standing with both feet on the rope. She is thus not helping Cueball. From here it is not yet known to the player that it is the Rebel Runner they have caught (with anchors) above, but when this becomes clear it will also be clear that they have no chance of holding on to the space ship. But here it seems they are doing a great job. The ground is barren between these wires and a {{w|tumbleweed}} is blowing along to make this even more clear. This part of a plant was also mentioned in a toast in [[1645: Toasts]].
|-
|Three wires Megan hanging on that reaches up to three anchors in the bottom hull of the Runner.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/5/58/1608_1014x1078y_Three_wires_and_reaching_up_to_anchors_in_Runner.png Overview]
|[https://xkcd.com/1608/1015:-1076+s.png (1015, 1076)]
|[https://xkcd.com/1608/1014:-1078+s.png (1014, 1078)]
|
|
|{{yesno|yy}}
|
|Megan tries to climb up the last of the wires going from the ground, and it turns out that it leads up to the bottom of the hull of the Rebel Runner. Not to a really good spot in her wires case, as there seems to be nothing to help her get inside the runner from there. The other two wires comes up to a cannon close to an entrance, where Cueball is fishing birds with a crumb of bread or a cracker on the end of the hook. (The bird fishing scene is also depicted when going through the Runner [https://www.explainxkcd.com/wiki/images/b/bc/1608_1012x1078y_Bridge_on_the_Rebel_Blockade_Runner.png down below]). All three wires ends in anchors that are here used the reverse way of a normal anchor, with the anchor attached to the ship instead of to the bottom of the sea (or at least the ground below an air ship). In ''Red world space car'' in TE, Megan is also seen hanging on to a rope like this.
|-
|Ponytail in the dunes - zoom out.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/3/33/1608_1015x1073y_Ponytail_in_the_dunes_zoom_out.png Overview]
|Overview
|
|{{yesno|yy}}
|
|
|
|Ponytail is standing in the dunes of the desert that continues after the barren landscape to the left of the desert. Here a zoom out of the entire desert with the first three coins along the ground to the right. The Rebel Runner flying above this dune landscape is a reference to the desert planet {{w|Tatooine}} where the opening scene is taking place.
|-
|Ponytail in the dunes.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/c/c4/1608_1015x1073y_Ponytail_in_the_dunes.png Overview]
|[https://xkcd.com/1608/1015:-1073+s.png (1015, 1073)]
|[https://xkcd.com/1608/1016:-1073+s.png (1016, 1073)]
|
|
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|Ponytail is standing in the desert on top of a small dune, as these get increasingly higher further right into the desert. The coin to the left of her at the tip of a dune is the first along the ground when going right. It is soon followed by a second one at the base of the largest dune in desert.
|-
|The largest dune.
|
:(None - the text is written in the scene centered on the ocean)
|[https://www.explainxkcd.com/wiki/images/0/0a/1608_1017x1073y_The_largest_dune.png Overview]
|[https://xkcd.com/1608/1017:-1073+s.png (1017, 1073)]
|[https://xkcd.com/1608/1018:-1073+s.png (1018, 1073)]
|
|
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|The largest dune in the desert, also shown partly in the scene with Ponytail, also has a coin at the other base. After this there is only one smaller dune and then the desert stops at the shore of a small sea or ocean.
|-
|Entire ocean.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/0/0e/1608_1022x1073y_Entire_ocean.png Overview]<br>[https://www.explainxkcd.com/wiki/images/0/0c/1608_1022x1073y_Entire_ocean_red.png Hidden passages in red]
|Overview
|
|
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|The sea/ocean consist of a rather large body of water with a tall wave in the center. It is quite deep as can be seen in the other image with the water shown in red. Where the sea is deepest, is also the point that is the lowest hoverboard Cueball can get in the entire image. It is the closest that anything other than completely black comes to the level with Y=1072.
|-
|Megan rates the Sea.
|
:Megan: This is an OK sea.
:Megan:★★⯪☆☆
:[a rating of 2.5 stars].
|[https://www.explainxkcd.com/wiki/images/9/99/1608_1019x1073y_Megan_rates_the_Sea.png Overview]<br>[https://www.explainxkcd.com/wiki/images/c/c8/1608_1019x1073y_Megan_rates_the_Sea_red.png Hidden passages in red]
|[https://xkcd.com/1608/1019:-1073+s.png (1019, 1073)]
|
|
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|
|
|It is very unusually to rate a sea, like you would a film or book, or a restaurant or museum. But today it is also common to rate anything you have used on-line like an internet shop or a company you have used. So, this may be a jab at all the people that rate everything in stars. According to [[1098: Star Ratings]] 2½ stars as an online star rating means that the sea is a crab sea, so this indicates that Megan's rating should not be viewed as such, since she also exclaims that it is an OK sea, as in an acceptable. Overall, another joke about online behavior, like the reference to Twitter and likes in the volcanic lair and the space shuttle, respectively.
|-
|Rouge wave.
|
:Wave: I know rogue waves seem implausible, but we're a straightforward consequence of the equations of fluid dynamics.
:Cueball: ...But you can talk?
:Wave: The equations are really complicated.
|[https://www.explainxkcd.com/wiki/images/1/11/1608_1022x1073y_Rouge_wave.png Overview]<br>[https://www.explainxkcd.com/wiki/images/b/bf/1608_1022x1073y_Rouge_wave_red.png Hidden passages in red]
|[https://xkcd.com/1608/1022:-1073+s.png (1022, 1073)]
|[https://xkcd.com/1608/1023:-1073+s.png (1023, 1073)]
|
|
|
|Comic: [[1315: Questions for God]]
|{{w|Fluid dynamics}} is a complex subdiscipline of {{w|fluid mechanics}} that deals with fluid flow. Although it is not their main target they can also be used for {{w|surface waves}} which would be like the {{w|rogue wave}} in this scene. This kind of waves is also known as freak waves, monster waves etc. They are large and spontaneous surface waves that occur far out in open water and can be extremely dangerous. But as the wave describes to Cueball these big waves can be predicted from the equations in fluid dynamics. Of course, Cueball is less afraid of the wave (even though it is {{w|Rogue (vagrant)|rouge}}), than he is fascinated by the fact that it speaks. The wave just replies that the equations are really complicated. That this is the case was for instance part of [[1315: Questions for God]] where a famous quote regarding turbulent motion of fluids is mentioned. {{w|Turbulence}} is also described by fluid dynamics, so they are part of the equations and the {{w|Horace_Lamb#Career| quote}} by {{w|Horace Lamb}} was: "I am an old man now, and when I die and go to heaven there are two matters on which I hope for enlightenment. One is {{w|quantum electrodynamics}}, and the other is the turbulent motion of fluids. And about the former I am rather optimistic." He turned out to be correct as nowadays we have a much clearer understanding of QED, while our understanding of turbulence has improved little. {{w|Richard Feynman}}, who was himself largely responsible for explaining QED, famously {{w|Turbulence|described turbulence}} as "the most important unsolved problem of classical physics". So who knows if these formulas could describe a talking wave? A coin crowns the wave.
|-
|Ruins with Cueball singing of Spiders and Panama.
|
:Cueball singing:
::Spider-man
:::Spider-plan
::Spider-canal
:::Spider-Panama
::Gates let in
:::Spider boats
::Flood the locks
:::Spiders float
::''Look out!''
::Spiders in both oceans.
|[https://www.explainxkcd.com/wiki/images/0/0d/1608_1026x1073y_Ruins_with_Cueball_singing_of_Spiders_and_Panama.png Overview]
|[https://xkcd.com/1608/1026:-1073+s.png (1026, 1073)]
|[https://xkcd.com/1608/1027:-1073+s.png (1027, 1073)]
|
|
|
|Comic: [[1632: Palindrome]] and the [[:Category:Spiders|Spiders category]]
|The palindrome comic was released shortly after this and used a palindrome about the {{w|Panama canal}} which is the first four lines with ''Spider-'' changed with "A" the first three times and then with nothing before Panama as in ''"A Man, A Plan, A Canal: Panama''. The song is inspired by the {{w|Spider-Man (theme song)|Spider-Man theme song}} (see this [https://www.youtube.com/watch?v=SUtziaZlDeE video]), but takes it in a rather different direction. Spiders have been a recurring theme and as the rest of the song tells that the spiders have now breached through the Panama Canal using spider-boats and by flooding the gates (in the canal) so now there are spiders in both oceans. If they came from the {{w|Atlantic ocean}} to the {{w|Pacific ocean}} or the other way around is not clear, but there are now spiders on both sides of the {{w|Central America|Central American}} strip of land. If the line ''Spiders float'' refer to actually floating spiders or just because they float on their boat is unclear. But we are forewarned about these spreading spiders with a '''''Look out!''''' (another lyric from the Spider-Man theme song). This threat continues the theme of the [[:Category:Red Spiders|Red Spiders]] especially those from [[126: Red Spiders Cometh]].

There is a coin inside the ruin beneath Cueball who sits on top of the ruin, and both sings the song and plays the guitar. Megan just stands inside the ruin at ground level and listens. It is not difficult to get to the coin, but there is only entrance into the little coin room between the ledge under Cueball and the ceiling of the lower room. But it is possible to walk directly in them from the left. Maybe the ruin is in this state of affair because the spiders have crossed the ocean just to the left, the shore of this can be seen at the edge of the scene. But there is no indication of any spiders anywhere else in the comic, in spite of the many animals throughout the comic.
|-
|Ponytail flying.
|
:Ponytails arms: Flap Flap Flap Flap Flap Flap Flap
|[https://www.explainxkcd.com/wiki/images/3/3b/1608_1029x1073y_Ponytail_flying.png Overview]
|[https://xkcd.com/1608/1029:-1073+s.png (1029, 1073)]
|[https://xkcd.com/1608/1030:-1073+s.png (1030, 1073)]
|
|
|
|
|Ponytail manages to fly by just flapping her arms violently, a feat that is of course not possible. It keeps he above the coin on the ground, so the player can get to it first... In the Destroyer another Ponytail seems to be [https://www.explainxkcd.com/wiki/images/7/76/1608_1053x1091y_Ponytail_flying_up_a_shaft_towards_a_coin.png flying straight up in a shaft] towards a coin this time without using her arms as wings. So, her flying is a small theme in the game. (It is not close to being directly above the Ponytail on the ground as the Ponytail in the Destroyer is just past the pyramid on the ground).
|-
|Entire forest - zoom out.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/3/3a/1608_1032x1074y_Entire_forest_zoom_out.png Overview]
|Overview
|
|
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|
|This is the largest collection of such tall trees, and if all smaller trees are counted probably also the largest collection of trees in general. In the left part of the world there is a scene with lots of trees, but they are all smaller than even the two medium-sized trees besides the five really large. the last tree to the right somehow belongs more to the wedding scene just right of it, but there are smaller trees all the way up to it, making it part of this forest. Drawing trees like this is often used in xkcd and in particularly also allot in ''click and drag''.
|-
|Left part of forest.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/5/56/1608_1032x1074y_Left_part_of_forest.png Overview]
|[https://xkcd.com/1608/1032:-1074+s.png (1032, 1074)]
|[https://xkcd.com/1608/1033:-1074+s.png (1033, 1074)]
|
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|The left part of the forest has the largest trees and also the two coins, one in the fork of the first big trees and another some way above the first substantial tree to the left. It is just high enough that it will be missed by just sliding along the ground, and even when jumping to get the other coin it will still not necessarily enter into the viewing frame, so it can be considered one of the slightly hidden coins in the game.
|-
|Right part of forest.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/3/37/1608_1034x1073y_Right_part_of_forest.png Overview]
|[https://xkcd.com/1608/1034:-1073+s.png (1034, 1073)]
|[https://xkcd.com/1608/1035:-1073+s.png (1035, 1073)]
|
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|The right part of the forest has the last two trees in the clump of four large ones, and then small to tiny trees continue the "forest" until the final tree, just beyond which the wedding takes place, and this tree also seems to be part of that scene.
|-
|Wedding and picnic.
|
:Priest: And if any here can give cause why these two should not be wed,
:Priest: The Great Jabba the Hutt will now listen to your pleas.
|[https://www.explainxkcd.com/wiki/images/c/c9/1608_1038x1073y_Wedding_and_picnic.png Overview]
|[https://xkcd.com/1608/1038:-1073+s.png (1038, 1073)]
|[https://xkcd.com/1608/1040:-1074+s.png (1040, 1074)]
|{{yesno|yy}}
|
|
|
|Megan, in a black wedding dress, and Cueball, with a tie, is married by a female priest in front of a crowd of five sitting in chairs in front of them. In the crowd there are yet another Cueball, Hairy and Ponytail, but the last two are not the familiar versions in xkcd: one has a cap on backwards and then a person (M/W?) with black. Just before a {{w|wedding}} it is sometimes customary to ask if any in the crowd could give a cause why these two people should not be wed. What is not customary is to threaten those who do have any objections that they would then have to plead these in front of the great gangster boss from Star Wars, {{w|Jabba the Hutt}}. In case he has condoned this wedding, you may end up pleading for him to kill you mercifully if you did object anyway. The normal form of the priest's question goes more [https://justus.anglican.org/resources/bcp/marriage.pdf like this]: "If any of you can show just cause why they may not lawfully be married, speak now; or else for ever hold your peace." (See the top of page 4 of the pdf file in the link (page 424) and a discussion about this sentences use [https://boards.straightdope.com/sdmb/showthread.php?t=635317 in real life]).

Beyond the wedding, another Megan is sitting on a large boulder facing the wedding, and behind her a third Cueball is having a picnic with a second Ponytail. The question here is if Megan looks at the wedding or turns her back to the picnic. Depending if the player went right along the ground to begins with and saw the wedding first or went through the Destroyer and came back the other way and saw the picnic first the players preconceptions on these questions may be completely different. In either case it still looks like Megan would have liked to be with Cueball (either the one in the tie or the one at the picnic. Of course, with characters drawn "randomly" in many places she may bot even belong to either scene. Standing on the rock with Megan hoverboard Cueball cannot see either of the scenes, but standing between Megan and either scene, she can be seen together with either of the relevant Cueball and another girl. In the first case with the wedding, she might have wished she had the courage to speak up in spite of the Jabba threat. In the other case she may feel rejected by the happy picnic couple and has turned her back to them. Poor Megan. Ponytail and Cueball seems to enjoy their picnic lunch in the open air though.
|-
|Cemetery.
|
:Megan: They're inscribed with our family motto, "Cur ego committitur dictar latinae," which means "Why did I just start speaking Latin?"
|[https://www.explainxkcd.com/wiki/images/7/7b/1608_1042x1074y_Cemetary.png Overview]
|[https://xkcd.com/1608/1042:-1074+s.png (1042, 1074)]
|[https://xkcd.com/1608/1043:-1074+s.png (1043, 1074)]
|
|
|
|
|It is so common to have your motto translated into the dead language {{w|Latin}} that there even is an entire category for {{w|Category:Latin mottos|Latin mottos}} on Wikipedia. Since no one really speaks the language anymore, and only few learn it well enough to just read any sentence, by doing so you actually hide this motto that you probably would like to tell people about. The only Latin that has entered popular usage are generally idioms, like {{w|Carpe diem}} (seize the day), etc. (et cetera, meaning "and the rest"). However, most of the time, like the one Megan is explaining to her friend, it would make much more sense to just write it in your native language (English in this case); but then of course there would be no need for a motto, where you ask yourself why you are speaking Latin. In this way, the joke is quite self-referential. There is also a cemetery in Click and Drag.

The Latin in the motto is not correct, but close, and it could both be Randall's accidental errors or purposeful errors (as there are probably many "private" mottoes out there that are not completely correct. <br> The original sentence:

'''Cur''' - why. <br>'''Ego''' - I.<br>'''Committitur''' - can be translated as "start", but is incorrectly conjugated; in view of the proper translation, a more acceptable word would be "commisi".<br>'''Dictar''' - likely a misspelling of "dictare", an acceptable translation of "to speak". <br>'''Latinae''' - Latin, but in the wrong case; a more correct translation would probably be "Latinam".<br>A possible translation of this sentence is therefore "Why did I start to speak Latin?". The word ''just'' is completely missing and could have been included by using ''modo''. However, Megan could have added it to make it more "natural" in English. In this way, the family motto given here is a slightly misused satirical statement on Latin family mottoes.
|-
|Huge foot.
|
:Cueball: It says "Yo, future dirtbags! Check out my huge foot!"
|[https://www.explainxkcd.com/wiki/images/d/d0/1608_1046x1074y_Huge_foot.png Overview]
|[https://xkcd.com/1608/1046:-1074+s.png (1046, 1074)]
|[https://xkcd.com/1608/1047:-1074+s.png (1047, 1074)]
|
|
|{{yesno|yy}}
|
|In ''How to count things'' in TE there is also a drawing of a huge foot, used to count mass, not length... The two Cueballs check out an inscription at the foot ([[559: No Pun Intended|pun intended]]) of a monument. Typically old relics from the past has been demolished, and if only part of a human body is displayed (at least when it is not just a {{w|Bust (sculpture)|bust}} supposed to only have head and shoulders), then it is often assumed that the rest of the statue has been lost. Just like the missing arms of the ancient Greek statue {{w|Venus de Milo}}. These arms were there originally. But as it turns out as Cueball reads the transcription someone in the past just wished to show the future his huge foot. Suggesting that this is either actual size, or just that he was very proud of at least one of his feet. He also mocks anyone reading the inscription by calling them the derogating word [https://www.urbandictionary.com/define.php?term=dirtbag dirtbags]. This is a recent work so if this were an ancient monument it would be highly unlikely that it said that. Of course, it could be Cueballs translation of what is actually written, or as this is not necessarily old, it is not just part of the original monument but the entire unbroken statue of a foot, then it could be a contemporary artist who made it. However, it is just in front of the pyramid to the right, and in front of the real pyramid {{w|Pyramid of Khafre}} the {{w|Great Sphinx of Giza}}, also much larger than life size lies. (It has lost its nose by the way). So, this could be the games version of such a large statue in front of a pyramid.

As from the scene to the left of this giant foot, the inscription that Cueball reads is probably in Latin, in which case it could have read something along the lines of: ''Io, de futuro sacculo terra! Reprehendo sicco meus ingens radices!'' (which could be translated back to ''Io, for the future of the bag, earth Check out my huge foot!'', since there were no words for ''Yo dirtbags'' in Latin.

This is likely to be a reference to Percy Bysshe Shelley's poem ''{{w|Ozymandias}}'', which starts:
I met a traveller from an antique land,
Who said: "Two vast and trunkless legs of stone
Stand in the desert. Near them, on the sand,
[..."]
|-
|Entire Pyramid.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/1/1d/1608_1050x1075y_Pyramid_Entire_zoom_out.png Overview]<br>[https://www.explainxkcd.com/wiki/images/b/bf/1608_Entire_Cave_With_entire_pyramid_for_scale.png Size scale of Destroyer]
|Overview
|
|
|
|
|
|A smooth pyramid with Ponytail in front of the left side and a coin at the tip. It is large but not compared to the Destroyer above it. To illustrate the other image shows that the pyramid could comfortably be placed inside the cave in the Destroyer. There is also a pyramid in Click and Drag.
|-
|Pyramid protip.
|
:Ponytail: Protip:
:Ponytail: Don't stop climbing just because you reach the top.
:Ponytail: ☑ Show tips on startup
|[https://www.explainxkcd.com/wiki/images/5/50/1608_1048x1074y_Pyramid_protip.png Overview]
|[https://xkcd.com/1608/1048:-1074+s.png (1048, 1074)]
|
|
|
|
|Comics: [[:Category:Protip|Protip category]]
|Ponytail greets the player as (if) they approach the pyramid from the left. She points up the side of the pyramid and gives a protip (a feature often used in xkcd). The tip is yet another indication that the Destroyer is above (the tip) of the pyramid. She tells the player to keep "climbing" after the top (that is not usually possible, but the hoverboard can keep on flying). By doing so the player may reach up to the entrance leading into the spiral corridor (although it will be difficult to keep the same incline as the pyramid on the way up). Ponytails last remark about showing tips on startup makes her sound like she is some kind of program, which can give you interesting hints and tips every time you start the program. If you do not wish this, you can just leave the [https://help.formulatrix.com/rock-maker/3.4/Content/Resources/Images/RM%203.0.3/StartUp%20Tips.png check box unchecked]. This is the last scene with spoken words (or other text) along the right ground, although it is only halfway from the play area to the right end of this world.
|-
|Pyramid tip.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/f/f6/1608_1050x1076y_Pyramid_tip.png Overview]
|[https://xkcd.com/1608/1051:-1076+s.png (1051, 1076)]
|
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|
|At the very tip of the pyramid there is a coin. This is the highest point in the right part of the world, which is directly connected with the ground through a fixed structure (i.e. not a wire). In most of the left part of the world even the ground level is higher, and the Washington Monument is much taller. The next coins are five scenes longer to the right as nothing much happens on the remaining stretch along the ground towards the end of the right part of the world from here.
|-
|Pyramid Right bottom.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/c/c5/1608_1053x1074y_Pyramid_Right_bottom.png Overview]
|[https://xkcd.com/1608/1053:-1074+s.png (1053, 1074)]
|
|
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|
|
|As opposed to the left side of the pyramid with a protip, there is nothing on the right side of the pyramid, even the ground is completely featureless, and actually continuous to be so for a while as can be seen in the next two scenes. It is the longest stretch along the ground with no features of interest and also almost completely flat ground. Even the third scene from here is still without characters although there at least is some ground features. For certain the entertainment of the right side is up above in the Destroyer.
|-
|Flat and bare ground.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/1/19/1608_1056x1074y_Flat_and_bare_ground.png Overview]
|[https://xkcd.com/1608/1056:-1074+s.png (1056, 1074)]
|[https://xkcd.com/1608/1057:-1074+s.png (1057, 1074)]
|
|
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|
|The first of several "boring" scenes without much feature. This though, even without much plant life probably takes the prize as the most featureless scene in the game.
|-
|Flat grassy ground.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/d/d2/1608_1059x1074y_Flat_grassy_ground.png Overview]
|[https://xkcd.com/1608/1059:-1074+s.png (1059, 1074)]
|[https://xkcd.com/1608/1060:-1074+s.png (1060, 1074)]
|
|
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|
|The second in a row of several "boring" scenes without much feature. This though have a little more grass than the previous scene...
|-
|Small cliff or hill.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/9/99/1608_1063x1075y_Small_cliff_or_hill.png Overview]
|[https://xkcd.com/1608/1063:-1075+s.png (1063, 1075)]
|[https://xkcd.com/1608/1062:-1074+s.png (1062, 1074)]
|
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|Almost as boring as the previous two scenes, but at least there is a little cliff.
|-
|The three T's.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/1/15/1608_1066x1075y_The_three_Ts.png Overview]
|[https://xkcd.com/1608/1066:-1075+s.png (1066, 1075)]
|[https://xkcd.com/1608/1067:-1075+s.png (1067, 1075)]
|
|
|
|Computer games
|These three Ts with Megan on top of the first, looks similar to scenes from many {{w|Platform game|platform computer games}}, like for instance [https://tvtropes.org/pmwiki/pmwiki.php/Main/PlatformGame this example] from {{w|Mario Bros.}}.
|-
|Coin over grass hole.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/7/71/1608_1071x1074y_Coin_over_grass_hole.png Overview]<br>[https://www.explainxkcd.com/wiki/images/b/b6/1608_1071x1074y_Coin_over_grass_hole_red.png Hidden passages in red]
|[https://xkcd.com/1608/1071:-1074+s.png (1071, 1074)]
|[https://xkcd.com/1608/1072:-1074+s.png (1072, 1074)]
|
|
|
|
|The fourth "boring" scene in a row at least have a coin. The grass is rather tall in this location and there are also two small hills to the left, and behind the coin another small bump to the right. The coin is located over a small hole that is filled with grass, so when the player takes the coin hoverboard Cueball will [https://www.explainxkcd.com/wiki/images/5/58/Grasshole_under_coin.PNG sink to his waist].
|-
|Ponytail and bird black hat on a stick and Cueball whistling.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/b/bc/1608_1073x1074y_Ponytail_and_bird_black_hat_on_a_stick_and_Cueball_whistling.png Overview]
|[https://xkcd.com/1608/1073:-1074+s.png (1073, 1074)]
|[https://xkcd.com/1608/1074:-1074+s.png (1074, 1074)]
|
|
|
|
|Ponytail is walking towards a small cliff with a flying bird following behind her. She approaches a black hat on a stick, looking like Black Hats hat. He usually never leaves without it, so it seems a little strange to find i hanging there. It is actually quite hard to find any Black Hat's in the comic, but above in the Destroyer, just slightly to the left of this hat the only instance of Black Hat in the game sits and snores in the Cave. So, he is not only represented by this hat. A kid looking like Cueball stand to the right below the cliff. He seems to be either singing or whistling.
|-
|Small stone pile.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/0/04/1608_1078x1074y_Small_stone_pile.png Overview]
|[https://xkcd.com/1608/1078:-1074+s.png (1078, 1074)]
|
|
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|
|
|After a small step down in the terrain height the only feature of this fifth boring scene is a small stone pile that seems to be made of 5-6 small stones with different size not ordered after size, so it looks like it could easily fall over. The pile is solid, so the player needs to jump to get past it and hoverboard Cueball can stand on top of it.
|-
|Two birds and coin above them.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/3/33/1608_1081x1074y_Two_birds_and_coin_above_them.png Overview]
|[https://xkcd.com/1608/1081:-1074+s.png (1081, 1074)]
|
|
|
|
|
|Once again two birds are seen together, this time they are not (as over the gas station to the left) tied together with string. But also, here there is a coin, and just like there it is hidden. Not so much as over the gas station, as here the birds can be seen from the ground, but the coin can only be seen by jumping once. Walking along the ground would let the birds enter into the view but not the coin right above them.
|-
|Pedestal.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/b/bf/1608_1086x1074y_Pedestal.png Overview]
|[https://xkcd.com/1608/1086:-1074+s.png (1086, 1074)]
|
|
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|
|Once again a very boring scene (6th) but at least there is a small pedestal to the right. In itself not very interesting, but if the player drops straight down out of the rear entry of the Destroyer above, hoverboard Cueball will land on this pedestal.
|-
|Medusa and floating earth.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/e/e5/1608_1088x1074y_Medusa_and_floating_earth.png Overview]
|[https://xkcd.com/1608/1088:-1074+s.png (1088, 1074)]
|[https://xkcd.com/1608/1090:-1075+s.png (1090, 1075)]
|
|
|
|
|The first character in four scenes is no one else but {{w|Medusa}} coming towards the player (if going right) arms outstretched and what appears to be about 10 snakes jutting out of her head which Medusa is known for. The snakes are venomous and people who gaze upon her face would be turned to stone. So not so nice to come by and it for sure relates to the coming end of the world, at least of this world right end.

The floating earth to the right may be of similar origin as the floating rock island above the Washington Monument, maybe the same forces are at work. Seems like it has just been torn up from the hoke in the ground below it, like it is now floating up. If the player drops straight down from the very end of the Destroyer up above, hoverboard Cueball will land on this floating earth. Anything right of the start of the hole is no longer under the Destroyer, which anything else right of the play area until this hole has been. Could be the Destroyer's influence that creates this hole? (But not just because it passes over, because then the earth should be floating up all the way behind it).
|-
|White Hat hiding in the grass.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/d/d9/1608_1093x1074y_White_Hat_hiding_in_the_grass.png Overview]
|[https://xkcd.com/1608/1093:-1074+s.png (1093, 1074)]
|
|
|
|
|
|Another flat scenery but at least White Hat is hiding in the grass to the right, only his head showing above the high grass, so her must be either sitting or even lying down propped up on his arms. This is one of only two scenes with White Hat throughout the game.
|-
|Lollipop plant and coin.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/0/09/1608_1095x1075y_Lollipop_plant_and_coin.png Overview]
|[https://xkcd.com/1608/1095:-1075+s.png (1095, 1075)]
|[https://xkcd.com/1608/1094:-1074+s.png (1094, 1074)]
|
|
|
|
|The seventh boring scene is lit up by a coin that hangs in the air slightly before the only feature of the scene, which appears to be a plant, with a strange lollipop shape.
|-
|Drifting Cueball.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/9/9d/1608_1098x1074y_Drifting_Cueball.png Overview]
|[https://xkcd.com/1608/1098:-1074+s.png (1098, 1074)]
|
|
|
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|
|Another completely flat grassy landscape but with a strangely elongated Cueball drifting in the wind. Characters flying is depicted in two scenes where Ponytail flies, but she does this of her own will. Here is seems like Cueball is just drifting with the wind towards the end of the world, which is only two scenes away, and he is the last character along the ground towards the end. This is in some way reminiscent of Click and Drag, where the Cueball floating with the balloon to begin with, can also be seen at the very right end of the world. But then again here it more seems like Cueball doesn't have a choice, and he also seems to be out of shape. The shape he is in, and the relation to the end of the world could be a (loose) reference to the sixth and seventh day in [[1245: 10-Day Forecast]].
|-
|Just grass.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/3/30/1608_1103x1074y_Just_grass.png Overview]
|[https://xkcd.com/1608/1103:-1074+s.png (1103, 1074)]
|[https://xkcd.com/1608/1104:-1074+s.png (1104, 1074)]
|
|
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|The eight boring scene since the pyramid, with a rolling hill of grass, but only the 2nd most boring, as the most boring scene was the first scene after the pyramid because that one did not even have grass.
|-
|Storks nest at right end of the world with 10 coins.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/c/ce/1608_1107x1075y_Storks_nest_at_right_end_of_the_world_with_10_coins.png Overview]
|[https://xkcd.com/1608/1107:-1075+s.png (1107, 1075)]
|[https://xkcd.com/1608/1107:-1074+s.png (1107, 1074)]
|
|
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|This is the right end of the world, marked by a high pole raising up from a foundation, and on the top of the pole there is a large {{w|White stork|stork}} nest with three eggs in it. Maybe it is not a stork nest (though it looks like a {{w|White_stork#Conservation|man-made nest platform}} for storks), but an eagle nest, though they do not usually use mad made structures for their nest as do storks. But if it were an eagle's nest, it could be for those two that are flying over the right tip of the volcano crater in the far of left part of the world.

With ten coins on top of the three eggs in the nest this is the place with the highest coin density in the game, but not most coins over a single image tile as that price goes to the starting tile with eleven coins. There are also seventeen coins in the play area scene, but they are not as closely gathered as here, where all 10 coins are almost as close together as possible, and all of them in the same [https://xkcd.com/1608/1107:-1076+s.png completely white image tile] right above the tile with the nest and eggs.
|-
|'''Entire Rebel Blockade Runner'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/8/82/1608_1015x1078y_Entire_Rebel_Blockade_Runner_zoom_out.png Overview]<br>[https://www.explainxkcd.com/wiki/images/f/fd/1608_1015x1078y_Entire_Rebbel_Blockade_Runner_and_wires_zoom_out.png Also with wires]<br>[https://www.explainxkcd.com/wiki/images/0/04/1608_1015x1078y_Entire_Rebbel_Blockade_Runner_zoom_out_to_torpedoes_and_ground.png Also with torpedoes]
|Overview
|
|{{yesno|yy}}
|
|
|
|An overview of the entire Rebel Blockade Runner ''{{w|Tantive IV}}'' from the opening scene of the original Star Wars movie. It has four rooms (one blown open), a small cannon room that cannot be entered by the hoverboard and two corridors. The rear is the large engines. There are three coins. There is a clear symmetry along the center, as the two cannons and the two parabolic antennas are placed symmetrical on the top and bottom hull, and also the curve of the hull is symmetric. In the second image link the way to find the runner from the ground via the wires can be seen (six coins). And in the third the way to find the Destroyer above via the torpedoes can be seen (14 coins). The Destroyer is thus not hidden, like for instance the Floating Rock Island or the Hidden Lair beneath the lava lake, and there are many less direct indications that there is a runner from all the people who comment on them or even directly or indirectly point the way to the Destroyer. The Runner is supposed to be 150 m long.
|-
|Bridge on the Rebel Blockade Runner.
|
:First scene:
:Long haired woman: Captain's log, stardate November 24th, 2015...
:Hairbun: ''Augh!'' No!
:Second scene:
:Megan: Good against remotes is one thing, but a ''true'' Jedi train with a T-shirt cannon.
:Box: Shirts
:Third scene:
:Box: Bullets
|[https://www.explainxkcd.com/wiki/images/b/bc/1608_1012x1078y_Bridge_on_the_Rebel_Blockade_Runner.png Overview]
|[https://xkcd.com/1608/1012:-1078+s.png (1012, 1078)]
|[https://xkcd.com/1608/1013:-1078+s.png (1013, 1078)]
|{{yesno|yy}}
|
|{{yesno|yy}}
|Film: The {{w|Star Trek}} universe
|The bridge of the Rebel Blockade Runner is crammed with interesting scenes. First on the bridge itself a long-haired woman (the captain) is mocking both Star Wars and Star Trek fans alike by using the [https://www.youtube.com/watch?v=vcRX0Gw1aaw opening line] from the Star Trek series about stating the {{w|stardate}} for the captain's log on board the first spaceship ever shown in the Star Wars franchise. Hairbun behind her (it could be {{w|Princess Leia}} who also has buns but above each ear) is clearly distressed by this "mistake". This could either be because she is a Star Wars fan that dislike Star Trek or because the stardate used is the real date, November 24, 2015, on which the comic was released (as well as the book ''Thing Explainer'') instead of using the normal convention for stardates with a four or five digit number plus a decimal like 1513.1. Given that the long-haired woman has the appearance of [[Danish]], this may be intentionally rather than a mistake. There is another reference to the Star Trek universe in the scene where the torpedoes are fired from the Destroyer above, so no less than two Trek infiltrations in the opening scene of Star Wars.

Beneath the bridge there is a smaller room where Ponytail and Megan spoofs [https://www.youtube.com/watch?v=X69NCLxwLEY Luke's Lightsaber Training] from the original Star Wars movie where {{w|Luke Skywalker}} practices under {{w|Ben Kenobi}}'s guidance while {{w|Han Solo}} comes with snide remarks. Ponytail (in Luke's place) holds a {{w|lightsaber}} above which floats a sphere which represents the small remote controlled {{w|Jedi}} training device from that scene. Megan both guides like Ben and comments like Han. She holds some kind of cannon that she obviously loads with T-shirts from the box behind her. As she tells Ponytail, a true Jedi trains with a [https://www.youtube.com/watch?v=FgCz7C6jEIk t-shirt cannon]. Han Solo's quote begins like it but ends quite differently: [https://www.youtube.com/watch?v=tOuCbDkKIs4 Good against remotes is one thing good against the living it's something else]. He would also prefer a {{w|Blaster (Star Wars)|blaster}} as he explains: [https://www.youtube.com/watch?v=V268Qk6-xsw Hokey religions and ancient weapons are no match for a good blaster at your side kid]. There is a coin behind Ponytail.

Above the bridge there is a hatch open where hoverboard Cueball may enter and a Cueball is standing behind the hatch looking down along the hull.

There are cannons both above and below the hull, the one on top has a coin in front of the barrel. There is a similar cannon with a coin in front on top of the Destroyer. Beneath this cannon is a tiny room where another Cueball is pouring several small bullets from a bucket into a black box labeled bullets (for the cannon). From this room there is a small shaft down to the main corridor in the Runner. But this shaft is too slim for hoverboard Cueball to pass up through it, or rather for the board to get in. Cueball can pass into the hole, but the board holds him back from reaching up in the small room. The cannon below has two of the anchors from the wires going to the ground attached around its barrel. The third anchor is stuck in the bottom hull further down the hull. It is unclear how this last has become attached to the hull!

In the corridor that runs away from the bridge a small robot on wheels drive towards left. Similar types of robots are often seen in the Star Wars universe and there is also [https://www.explainxkcd.com/wiki/images/5/5f/1608_1034x1091y_Torpedo_canon_below_Destroyer.png another robot] looking like two of these on top of each other in the Destroyer above where the torpedoes connecting them ends up. Further down the corridor Ponytail is walking to the right while singing indicated with two notes.

Above the cannon at the bottom of the hull on a ledge with an entry to the ship is a third Cueball holding a fishing rod out over the ledge, so the hook hangs in the air. Maybe he is fishing for either of the two birds that are flying around the line. What appears to be a loaf of bread or [https://www.explainxkcd.com/wiki/images/5/58/1608_1014x1078y_Three_wires_and_reaching_up_to_anchors_in_Runner.png a cracker is attached to the hook] at the end of the line. A similar scene is also found in TE in ''Sky Toucher''.
|-
|Death Star Plans in the Rebel Blockade Runner.
|
:First scene:
:First Cueball: The Death Star plans are ''not'' in the main computer.
:Second Cueball: Darn.
:Second Cueball: See, if we had found them in the main computer, which would be good news, since it would mean no one else had them.
:Second Cueball: But since we didn’t find them, we need to keep searching for anyone with a copy.
:Second Cueball: That all makes sense and I ''definitely'' understand how computers work.
:Second scene:
:Third Cueball: So you just came down and made a hole in our ship without permission?
:Fourth Cueball: Yup
:Third Cueball: Wow, Rude.
|[https://www.explainxkcd.com/wiki/images/f/fa/1608_1017x1078y_Death_Star_Plans_in_the_Rebel_Blockade_Runner.png Overview]
|[https://xkcd.com/1608/1017:-1078+s.png (1017, 1078)]
|[https://xkcd.com/1608/1016:-1079+s.png (1016, 1079)]
|{{yesno|yy}}
|
|
|
|The reference to the Death Star plans is from [https://youtu.be/yHfLyMAHrQE?t=340 the opening scene] in the first Star Wars movie. The sentence uttered by First Cueball is said by a Storm Trooper to Darth Vader. The [https://m.imdb.com/title/tt0076759/quotes?qt=qt0440708 rest of the quote] is not quite like in the comic. Rather is goes like this:
:Darth Vader: [addressing the Tantive IV's captain, whom he is interrogating] Where are those transmissions you intercepted? WHAT have you DONE with those plans?
:Captain Antilles: We intercepted no transmissions... This is a consular ship... We're on a diplomatic mission...
:Darth Vader: [shouting] If this is a consular ship, WHERE is the ambassador?
:Darth Vader: Commander, tear this ship apart until you find those plans! And bring me all passengers, I want them ALIVE!
The comic jokes with the way Darth Vader seems to assume that if the plans had been found on the computer, then no one else would have had access to them. The second Cueball, although not Vader, represents a superior that have absolutely no idea about how computers work, in spite of his insistence that he actually do. If the data has once been intercepted, they could have been shared or copied to several other computers or devices or even been printed. By finding them in the main computer they would only make sure that they were indeed intercepted, but not be certain that they have not been delivered to the rebel base.

The other two Cueballs on top of the ship stand over a hole in the hull going into a small room above and left of the large room. It seems that the fourth Cueball has made this hole directly from the outside (i.e. it is not caused by an exploding torpedo from the Destroyer above). Because he confirms when the third Cueball asks if he just came down to make the hole without permission. The third Cueball thinks this is rude. This is, of course, hilarious as if a space pirate or any other attacker of a spaceship would ask permission before attacking. And also, the idea that he might get permission for asking is likewise crazy. To call this rude is also a weird way to look at such an attack. {{w|C3PO}} uses [https://www.youtube.com/watch?v=FWoG9tKf1lA this as reply] to a comment made to him by a similar droid in the second movie.
|-
|Top rear end of the Rebel Blockade Runner.
|
:First scene:
:First Cueball: That thing is ''huge. Imperial''-class?
:Second Cueball: Yeah. Maybe a MK-1. Depends on whether this is the expanded universe or not.
:Second scene:
:Third Cueball's bow: Twang
:Torpedo: Boom
:Third scene:
:Fourth Cueball: Why are they still firing?
:Fifth Cueball: Oh, the turret operators pretty much do their own thing.
:Fifth Cueball: It's definitely a pain sometimes.
|[https://www.explainxkcd.com/wiki/images/f/f1/1608_1018x1079y_Top_rear_end_of_the_Rebel_Blockade_Runner.png Overview]
|[https://xkcd.com/1608/1018:-1079+s.png (1018, 1079)]
|[https://xkcd.com/1608/1019:-1080+s.png (1019, 1080)]
|{{yesno|yy}}
|
|{{yesno|yy}}
|
|In this overview of the top rear of the hull of the Runner, there are four scenes with two persons in each, with no less than six Cueballs. Beginning with the scene to the far left the two first Cueballs discuss what type of Star Destroyer is shooting at their ship from above them. They are clearly tilting their head far back to look up. The first Cueball comments on how huge it is and asks if it is an {{w|Star_Destroyer#Imperial_class|''Imperial'' class}} Destroyer. "''Imperial'' class" is the designation of the Destroyer ''[https://starwars.wikia.com/wiki/Devastator Devastator]'' that followed the Rebel Runner ''Tantive IV'' in the opening scene. There is also and more than 10 times as large version called a {{w|Star_Destroyer#Super_Star_Destroyer|Super Star Destroyer}}, which were featured in the two sequels in the original trilogy. But even the original Star Destroyers were improved during the movies, so when the improved Destroyers came out, they became known as ([https://starwars.wikia.com/wiki/Imperial_II-class_Star_Destroyer Mark II], Mk-II or plainly II, and the original (as Devastator) became known as [https://starwars.wikia.com/wiki/Imperial_I-class_Star_Destroyer Mk-1]. The second Cueball agrees with the first and suggest that it is a Mk-1 and thus makes it even more clear that this scene is actually the opening scene of the original Star Wars movie. But then again, he continues, it depends weather this is the {{w|Star Wars expanded universe|expanded universe}} (now known as ''Star Wars Legends'') where all authorized media (books etc.) released based on the Star Wars franchise should be counted in, or if it is only the movies sanctioned directly by George Lucas (and now Disney). What he says is that in all those works there could be so many other types os ships mentioned, that he could mistake for a Mk-1, that in that universe he would not be certain at all. But in the "official" universe he would claim that it was a Mk-1 ''Imperial'' class Star Destroyer.

In the next scene Ponytail and a third Cueball fight with bows and arrows against the Destroyers 100+ torpedoes raining down from above. Ten of these can be seen falling, one hits the ship, and one has just exploded in a big ''boom'', to be compared with the feeble ''twang'' made by Cueballs bow when he fires the arrow. When later discovering how far there is up to the bottom of the Destroyer it only becomes even more silly.

In the third scene two more Cueballs (four and five) look up at the torpedoes falling down in an arch over their heads. The fourth Cueball asks why they still keep firing. And the fifth Cueball tries to explain. A {{w|Gun turret|turret}} is generally a weapon mount that houses the crew and a projectile-firing weapon and lets the weapon be aimed and fired in a given cone of fire. So, it is this crew, that are the turret operators. There is also such [https://www.explainxkcd.com/wiki/images/b/bc/1608_1012x1078y_Bridge_on_the_Rebel_Blockade_Runner.png an operator] on the Rebel Runner below the top cannon (or turret), in the scene with the bridge. The reason they keep fighting is given that they just do their own thing and that is annoying. This indicates that these two Cueballs do no longer think that the Destroyer needs to fire anymore on the Runner, and thus also indicates that they are part of the crew from the Destroyer send down to take over the Runner. Thus, it is annoying that the shooting has not stopped as it puts them in danger. If they belong to the Runner, then they would not think it weird that the shooting continued. It turns out to be Megan who is the [https://www.explainxkcd.com/wiki/images/5/5f/1608_1034x1091y_Torpedo_canon_below_Destroyer.png turret operator in the Destroyer]! At least they can be happy that it is regular torpedoes. (See the explanation of the scene regarding the Torpedo cannon below Destroyer).

In the final scene at the very end of the hull is the sixth Cueball together with Megan. She holds on to him as he tries to toast a giant marshmallow on a stick by holding it in front of the exhaust pipe of the Runner. This would most likely melt the marshmallow instantaneously... In ''Red world space car'' in TE the Mars rower also toasts a marshmallow on a stick over a small fire.
|-
|Bottom rear end of the Rebel Blockade Runner.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/5/5b/1608_1020x1078y_Bottom_rear_end_of_the_Rebel_Blockade_Runner.png Overview]
|[https://xkcd.com/1608/1020:-1078+s.png (1020, 1078)]
|
|
|
|
|
|The rear end of the Rebel Runner with the last part of the big Death Star plan room to visible to the left. Three engines are visible, with the top one being cut of (Cueball is roasting a marshmallow above the cut off - see previous scene). This is consistent with the three rows of engines as [https://cdn-static.denofgeek.com/sites/denofgeek/files/styles/insert_main_wide_image/public/2016/04/tantive_iv_over_tatooine.png?itok=1k3g3pFH can be seen in the film], with four engines in top and bottom row and three in the middle. There is a coin behind the lowest of the engines. There appear to be {{w|truck nuts}} attached to the rear of the ship beneath the hull. These are plastic or metal accessories, typically for cars, which resemble a pair of dangling testicles/balls. They are attached under the rear bumper of the vehicle, so they are visible from behind as a practical joke. Some find it is in so bad a taste that it should be banned or fined.
|-
|'''Entire torpedoes rain from Runner to Destroyer.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/8/87/1608_1023x1085y_Entire_torpedoes_rain_from_Runner_to_Destroyer.png Overview]
|Overview
|
|
|
|
|
|An overview of the entire rain of torpedoes fired down from the Star Destroyer to the Runner. There are one hundred undamaged torpedoes in the air, two that are hitting each other exploding, one that has just contacted the hull and one that has just exploded on the hull of the Runner. A total of 104 torpedoes has thus been fired at this moment in time. The rain is not so much there for jokes but to guide the player up to the Destroyer. Only interesting scene on the way up is Beret Guy riding a torpedo, and apart from that and the two torpedoes hitting each other and exploding, there is nothing else to see. But there are two coins to collect.
|-
|Torpedoes just above Runner with coin.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/a/a7/1608_1019x1081y_Torpedoes_just_above_Runner_with_coin.png Overview]
|[https://xkcd.com/1608/1019:-1081+s.png (1019, 1081)]
|[https://xkcd.com/1608/1020:-1081+s.png (1020, 1081)]
|
|
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|11 torpedoes just above the Runner with a coin.
|-
|Torpedoes two steps above Runner with Beret Guy.
|
:Beret Guy: Horsey!
|[https://www.explainxkcd.com/wiki/images/2/21/1608_1020x1083y_Torpedoes_two_steps_above_Runner_with_Beret_Guy.png Overview]
|[https://xkcd.com/1608/1020:-1083+s.png (1020, 1083)]
|[https://xkcd.com/1608/1021:-1083+s.png (1021, 1083)]
|
|
|
|Film: {{w|Dr. Strangelove}}
|Beret Guys only second appearance in this comic. He is flying down from the Destroyer sitting astray a torpedo riding it like it was a horse. In the film Dr. Stangelove a man is also flying down like this riding a bomb like it is a horse (a nuclear bomb in that case though). Beret Guy will likely survive due to his [[:Category:Strange powers of Beret Guy|strange powers]]. With his torpedo there are eight torpedoes in this scene
|-
|Torpedoes three steps above Runner.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/a/a7/1608_1023x1085y_Torpedoes_three_steps_above_Runner.png Overview]
|[https://xkcd.com/1608/1023:-1086+s.png (1023, 1086)]
|[https://xkcd.com/1608/1024:-1086+s.png (1024, 1086)]
|
|
|
|
|21 torpedoes are shown. This image is so large that it goes outside the "active" images, and thus the lower right part is in gray. In the game this part will be displayed as white, but there is no image below to save (but many all-white images are active though!)
|-
|Torpedoes two steps below Destroyer with exploding torpedoes.
|
:Torpedoes: Boom
|[https://www.explainxkcd.com/wiki/images/a/a8/1608_1025x1087y_Torpedoes_two_steps_below_Destroyer_with_exploding_torpedoes.png Overview]
|[https://xkcd.com/1608/1025:-1087+s.png (1025, 1087)]
|[https://xkcd.com/1608/1026:-1087+s.png (1026, 1087)]
|
|
|
|
|21 torpedoes are shown, but two of them are hitting each other exploding. Where you can stand on the torpedoes, you cannot stand on the "boom", but still on the black part of the exploding torpedoes. If the two exploding torpedoes are the same and if they have no means of self-propelling, then they should not hit each other under normal conditions. Only if a wind gust slowed down the one and not the other (which could of course be the case.) But else they would follow the same parabolic path from cannon to target without getting closer.
|-
|Torpedoes one step below Destroyer with coin.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/2/2b/1608_1029x1089y_Torpedoes_one_step_below_Destroyer_with_coin.png Overview]
|[https://xkcd.com/1608/1029:-1089+s.png (1029, 1089)]
|[https://xkcd.com/1608/1031:-1090+s.png (1031, 1090)]
|
|
|
|
|19 torpedoes just below the Destroyer with a coin.
|-
|Torpedo cannon below Destroyer.
|
:Megan: We have no photon torpedoes, so I'm firing regular ones
|[https://www.explainxkcd.com/wiki/images/5/5f/1608_1034x1091y_Torpedo_canon_below_Destroyer.png Overview]
|[https://xkcd.com/1608/1034:-1091+s.png (1034, 1091)]
|[https://xkcd.com/1608/1033:-1091+s.png (1033, 1091)]
|{{yesno|yy}}
|
|
|Film: The {{w|Star Trek}} universe
|The 12 last torpedoes lead up to the cannon below the Destroyer that has fired them all towards the runner far below. In the control room (or turret room see explanation of scene where the torpedoes hit the Runner) is Megan and Cueball. She explains that she used regular torpedoes rather than the much more powerful {{w|Weapons_in_Star_Trek#Projectile_weapons|'''photon''' torpedoes}}. This may cheat some to think this is a reference to the weapon Luke Skywalker used when destroying the Death Star in the original Star Wars movie. But they were called {{w|List_of_Star_Wars_weapons#Ship-mounted|'''proton''' torpedoes}}. Photon torpedoes are a standard ship-based weapon armed with an {{w|antimatter}} warhead and one of those alone would probably take a ship like the Runner out if it was not shielded... However, they are used by the {{w|Starship Enterprise}} in the Star Trek universe. So, this is the second (but more subtle) mixing of the two competing franchises connected with the torpedoes in the opening scene of Star Wars. The first being on the bridge of the Runner below. Above the control room there is a shaft up to a corridor in which a small robot of the types typically seen on spaceships in Star Wars is seen. There is a [https://www.explainxkcd.com/wiki/images/b/bc/1608_1012x1078y_Bridge_on_the_Rebel_Blockade_Runner.png similar robot] down in the Runner but only half this one's height.
|-
|'''Entire Star Destroyer.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/c/cd/1608_Entire_Star_Destroyer.png Overview]
|Overview
|
|{{yesno|yy}}
|
|
|
|This is the only reference to Star Wars just because of the Destroyer. Anything inside the spaceship will only be listed as SW reference if there is something in relation to SW, or at least to part of the ship itself (like using special outcrops on the ship for a special room, like the Globe of Death at the top of the bridge).
|-
|'''Entire front end.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/e/e1/1608_Entire_front_end.png Overview]<br>[https://www.explainxkcd.com/wiki/images/2/22/1608_Entire_front_end_red.png Hidden passages in red]
|Overview
|
|
|
|
|
|This overview is shown to illustrate how far apart the rooms are even in the very front end of the Destroyer where it is slimmest. The image with hidden passages shows how deep the swimming pool is and that the hoverboard can also sink into the playpen pit. Moving just a little further right than this overview, and the Destroyer becomes wider than the zoom scale for these overviews.
|-
|Overview of the very tip of the front end.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/9/92/1608_Zoom_out_of_the_very_front_end.png Overview]
|Overview
|
|
|
|
|
|The front has both a mouth a nose and an eye with a pupil. It has just eaten a coin and can smell the one above its nose. See more on this interpretation under the ''Colon like structure'' below.
|-
|Very front with Cueball looking out at bottom of hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/6/60/1608_1002x1094y_Very_front_with_Cueball_looking_out_at_bottom_of_hull.png Overview]
|[https://xkcd.com/1608/1002:-1094+s.png (1002, 1094)]
|[https://xkcd.com/1608/1003:-1094+s.png (1003, 1094)]
|
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|The closest entrance to the Destroyer from the starting point is guarded by Cueball. Going straight up from the right wall in the play area will take the hoverboard straight up in front of Cueball. There is a coin behind him where this first corridor turns up into a shaft.
|-
|Very front with playpen balls pit at top of hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/a/a7/1608_1004x1095y_Very_front_with_playpen_balls_pit_at_top_of_hull.png Overview]<br>[https://www.explainxkcd.com/wiki/images/3/35/1608_1004x1095y_Very_front_with_playpen_balls_pit_at_top_of_hull_red.png Hidden passages in red]
|[https://xkcd.com/1608/1004:-1095+s.png (1004, 1095)]
|[https://xkcd.com/1608/1005:-1095+s.png (1005, 1095)]
|
|
|
|[[150: Grownups]] and the [[:Category:Playpen balls|Playpen balls Category]].
|The top part of the front of the Star Destroyer also has an entrance as does the bottom section (see above). There is a coin above the hull. This first corridor leads to a playpen pit filled with playpen balls, which is a recurring subject in xkcd. Cueball and Megan is adult sized (i.e. as big as hoverboard Cueball) and it is thus a clear reference to Grownups. There could be water down below the balls as a fish is seen jumping out over the surface. But given that there are no splashes from the balls Cueball throws in the air, it could also just be a gimmick by Randall. To have something like this in a Star Destroyer kind of ruins the mood surrounding these war machines. Something seen several times throughout the spaceship.
|-
|Piñata and Cueball with lightsaber at top of hull.
|
:Cueball: No, I got this.
|[https://www.explainxkcd.com/wiki/images/2/20/1608_1006x1095y_Pinata_and_Cueball_with_lightsaber_at_top_of_hull.png Overview]
|[https://xkcd.com/1608/1006:-1095+s.png (1006, 1095)]
|[https://xkcd.com/1608/1007:-1095+s.png (1007, 1095)]
|{{yesno|yy}}
|
|
|Comic: [[1620: Christmas Settings]]
|Although the original {{w|piñata}} was star shaped it is now common to use different shapes like the horse or donkey displayed in the comic. Children usually hits the piñata with a club until it breaks and falls down revealing candy or toys inside. The two Cueballs, Megan and Hairy are adults though as big as hoverboard Cueball, just like in the playpen pit. It is common for adults to participate in hitting down a piñata. But to do it with a {{w|lightsaber}} would defeat the purpose of this game as it will go right through the piñata on contact thus spilling the contest out on the floor in the first go. The Cueball with the lightsaber can thus confidently say that he got this. But it seems like the other Cueball is trying to stop him and that Hairy, holding the club they were intended to use, puts a hand protectively on Megan. A lightsaber would be a very dangerous weapon and should not be used lightly in a playful setting. As a side note any candy/toy in the path of the ligtsaber as it passes through the piñata will melt/burn immediately. Lightsaber noises are mentioned in the title text of the Christmas Settings comic coming out shortly after this one.
|-
|Shaft and corridor at bottom of hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/e/eb/1608_1007x1094y_Shaft_and_corridor_at_bottom_of_hull.png Overview]
|[https://xkcd.com/1608/1007:-1094+s.png (1007, 1094)]
|[https://xkcd.com/1608/1008:-1094+s.png (1008, 1094)]
|
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|Lots of sections inside the Destroyer consist of long corridors with shafts going up and down here and there, but with no interesting features or objects. This is the first example of such a corridor, near the bottom hull of the Destroyer, showing that it is not a featureless outer hull. Apart from the ever-increasing width of the Destroyer there are some steps up and down, to indicate some of the features seen in the Star Wars movie.
|-
|Swimming pool with Ponytail jumping at bottom of hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/b/ba/1608_1010x1094y_Swimming_pool_with_Ponytail_jumping_at_bottom_of_hull.png Overview]<br>[https://www.explainxkcd.com/wiki/images/e/e6/1608_1010x1094y_Swimming_pool_with_Ponytail_jumping_at_bottom_of_hull_red.png Hidden passages in red]
|[https://xkcd.com/1608/1010:-1094+s.png (1010, 1094)]
|[https://xkcd.com/1608/1011:-1094+s.png (1011, 1094)]
|
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|Another enjoyable activity to attend to by adults is located here in the front sections of the Destroyer: A swimming pool. Don't worry about Ponytail jumping head first into the water, as can be seen in the hidden passage image it is rather deep. Cueball and Megan is already in. Supposedly there is a rung ladder up again on the side, but it cannot be seen in this slice through the Destroyer. A coin hangs in the top corner of the room. When standing with the hoverboard on the bottom of the pool it will be possible to see that there is a coin on the outside of the hull in the indentation in the hull below the pool. From the outside, however, it will not be possible to see that there is a pool above as the water is the same black (to the eye) as the solid hull.
|-
|Shaft and corridor with three coins at top of hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/b/ba/1608_1011x1096y_Shaft_and_corridor_with_three_coins_at_top_of_hull.png Overview]
|[https://xkcd.com/1608/1011:-1096+s.png (1011, 1096)]
|[https://xkcd.com/1608/1009:-1095+s.png (1009, 1095)]
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|After leaving the piñata room going down the corridor there are two coins. One under the shaft going up and one further down the corridor. Going up the shaft there is also a coin on the outside of the top hull at the top of another of the small step where the hulls width increases faster than the steady slope that are always there. This coin is almost on top of the one in the corridor below.
|-
|Dead end shaft with rubbles at bottom of hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/0/0c/1608_1015x1093y_Dead_end_shaft_with_rubbles_at_bottom_of_hull.png Overview]
|[https://xkcd.com/1608/1015:-1093+s.png (1015, 1093)]
|[https://xkcd.com/1608/1016:-1093+s.png (1016, 1093)]
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|From the shaft that exits the Destroyers bottom hull there goes a corridor to the left. But only for a short while. Then there is a pile of rubble like there has either been a cave in or as if someone has been digging this tunnel and then has stopped. This is consistent with the mining company seen much further down the Destroyer. There is a coin in front of the rubble.
|-
|Zoom out of shaft and corridors with Hairy looking down a shaft at top of hull.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/3/34/1608_1019x1095y_Zoom_out_of_shaft_and_corridors_with_Hairy_looking_down_a_shaft_at_top_of_hull.png Overview]
|Overview
|
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|This zoom-out gives an overview of a large section of the Destroyer with only a long corridor and two shafts going down from it. There are almost no features, but for Hairy standing carefully at the edge of one shaft looking down into it. So again, an example of the larger areas inside the destroyer where nothing happens.
|-
|Hairy looking down a shaft at top of hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/7/73/1608_1016x1095y_Hairy_looking_down_a_shaft_at_top_of_hull.png Overview]
|[https://xkcd.com/1608/1016:-1095+s.png (1016, 1095)]
|[https://xkcd.com/1608/1013:-1096+s.png (1013, 1096)]
|
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|This is the shaft that came out of the piñata room. At the end of this image is the first shaft going down where Hairy is standing carefully at the edge looking down. Before that a shaft goes up to the top hull where a coin is situated on top of a small step down. At the other end of this "step" to the left there was also a coin.
|-
|Three coins room and shafts.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/e/e6/1608_1023x1095y_Three_coins_room_and_shafts.png Overview]
|[https://xkcd.com/1608/1023:-1095+s.png (1023, 1095)]
|[https://xkcd.com/1608/1022:-1095+s.png (1022, 1095)]
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|This is the room where the long corridor going from the piñata room ends. Although it is a quite boring room it has three coins, the highest coin density seen so far when entering the Destroyer from the front end. A shaft down outside the room prevents this from being a dead end.
|-
|Triple coins and a single coin on top of a shaft at top of hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/d/d0/1608_1023x1097y_Triple_coins_and_a_single_coin_on_top_of_a_shaft_at_top_of_hull.png Overview]
|[https://xkcd.com/1608/1023:-1097+s.png (1023, 1097)]
|[https://xkcd.com/1608/1025:-1097+s.png (1025, 1097)]
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|There is a very long straight stretch on top of the hull where nothing happens after the step down, but suddenly there are three coins in a row, and then a shaft down, with a ledge out over the shaft opening, with yet a coin, makes it worth the players while to come up there as well.
|-
|Zoom out of shaft and corridors with ledge at bottom of hull.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/6/6f/1608_1025x1092y_Zoom_out_of_shaft_and_corridors_with_ledge_at_bottom_of_hull.png Overview]
|Overview
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|This overview at the bottom of the hull shows the shaft (to the right) that was covered with a ledge at the top of the hull. Although it takes a small turn left before going down and out at the bottom it thus almost runs straight through the Destroyer and also here at the bottom a thin ledge covers the shafts exit. But here are no coins. There are another shaft and two corridors.
|-
|Shall '''not not''' pass room and parachutes at one of two ledges at bottom of hull.
|
:Cueball: You shall not not pass!
|[https://www.explainxkcd.com/wiki/images/a/ad/1608_1026x1093y_Shall_not_not_pass_room_and_parachutes_at_one_of_two_ledges_at_bottom_of_hull.png Overview]
|[https://xkcd.com/1608/1026:-1093+s.png (1026, 1093)]
|[https://xkcd.com/1608/1028:-1092+s.png (1028, 1092)]
|
|{{yesno|yy}}
|
|
|The shaft going out at the bottom left is the one mentioned above. Going through the corridor above takes hoverboard Cueball into a room with a Cueball blocking his way holding a handout towards him. He almost uses the last part of a [https://www.imdb.com/title/tt0120737/quotes?item=qt0445998 famous quote by Gandalf] when facing the {{w|Balrog}} in the mines of {{w|Moria (Middle-earth)|Moria}}, but here with an '''extra not''' added to negate the "not" from the quote. So "You shall ''not'' '''not''' pass" = You '''shall''' pass, and when you do you get a coin. It is easy to miss that there are two times not in the sentence, which is for certain intentionally by Randall, as the spoken sentence thus do not match the appearance of Cueball with a handout.

If hoverboard Cueball jump ship at the ledge to the left, he can fly over to the next ledge where Cueball and a guy with black hair is preparing to jump of the ship using parachutes. Behind them there is a shaft going up into the ship with a coin.
|-
|Two coins room and shafts.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/5/5d/1608_1026x1095y_Two_coins_room_and_shafts.png Overview]
|[https://xkcd.com/1608/1026:-1095+s.png (1026, 1095)]
|[https://xkcd.com/1608/1027:-1095+s.png (1027, 1095)]
|
|
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|The shaft going up in the two coins room comes from a corridor below that also connects to the shaft to the left. The corridor is right above the ''you shall not not pass'' room below. The shaft to the left goes up the ledge covered exit to the top hull.
|-
|Steven Universe and Crystal Gems; and ice cream prediction.
|
:Megan: Prediction: Seconds before you die, you will remember these words.
:Box: Ice cream
|[https://www.explainxkcd.com/wiki/images/3/39/1608_1031x1095y_Steven_Universe_family_and_ice_cream_prediction.png Overview]
|[https://xkcd.com/1608/1031:-1095+s.png (1031, 1095)]
|[https://xkcd.com/1608/1028:-1095+s.png (1029, 1095)]
|
|
|
|TV series: {{w|Steven Universe}}
|In the room to the left, Megan talks to Cueball while they walk towards an ice cream freezer (at the end of the room with a coin on top). Her comment that she can predict that he will remember those words when he dies could be quite sinister. Since they are so boring the only way, she can make this prediction come through is if she now turns around killing him. If she waits a little longer, she will not have to move him so far before she can hide his body in the freezer...

In the room to the right is a group of four stick figures representing {{w|Steven Universe (character)|Steven Universe}} and the [https://en.wikipedia.org/wiki/List_of_Steven_Universe_characters#/media/File:StevenFinalPoster.jpg Crystal Gems]. From left to right, Steven is next to {{w|Pearl (Steven Universe)|Pearl}} (as a stick figure with shorter hair), {{w|Garnet (Steven Universe)|Garnet}} (as a taller stick figure with sunglasses and an afro), and {{w|List_of_Steven_Universe_characters#Amethyst|Amethyst}} (as a shorter stick figure with long hair). The Crystal Gems are a "superhero" team of alien "Gems" who protect the earth, with their newest member being the half-Gem, half-human Steven. (Elsewhere on the bridge of the Destroyer, Darth Vader references Steven Universe in that Steven is half Gem.) A coin is hovering over Garnet's raised left hand.

Below these two rooms runs a corridor that goes left to the shaft going up to the top hull. The shaft going down goes to the two guys with parachutes. There is a coin next to the shaft. To get from this corridor to the rooms above hoverboard Cueball either have to go out on the top hull or move through the rotary that follows to the right.
|-
|'''Entire Rotary section.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/6/67/1608_Entire_Rotary_section.png Overview]<br>[https://www.explainxkcd.com/wiki/images/e/e4/1608_Entire_Rotary_section_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/e/e1/1608_Entire_Rebel_Blockade_Runner_swallowed_by_Destroyer.png Swallow Runner]
|Overview
|
|
|{{yesno|yy}}
|
|
|To the left in this overview is the roundabout like structure that Cueball above it calls a rotary, which has given name to this section of the ship that follows after it up to the section with the cave. The Destroyer becomes much broader here especially due to the two large steps that the top part of the hull takes in the middle and to the right in this image.

In the hidden passage image, the cotton trap is revealed with the two entrances to the room below and to the corridor to the right that leads past different traps into the cave. At the top and bottom middle of the image there are two cars, and as it can be seen in the hidden passage image the hoverboard cannot rest on top of those.

In the composite ''Swallow Runner'' image the Rebel Runner has been placed in the opening in the bottom hull to reveal that this is indeed the opening in the bottom of the Destroyer that swallows the entire Rebel Runner in the opening scene of the first Star Wars movie. This feature is thus a direct reference to the "real" Devastator Destroyer and thus a direct reference to the opening scene and to Star Wars. Below the individual scenes in the Rotary section will be described.
|-
|Empty room and Cueball on corridor going to rotary at top of hull.
|
:Cueball: Ugh, rotaries.
|[https://www.explainxkcd.com/wiki/images/c/cf/1608_1029x1097y_Empty_room_and_Cueball_on_corridor_going_to_rotary_at_top_of_hull.png Overview]
|[https://xkcd.com/1608/1032:-1096+s.png (1032, 1096)]
|[https://xkcd.com/1608/1030:-1097+s.png (1030, 1097)]
|
|
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|A big empty room near the top hull and a coin in a shaft going down from the top hull. The shaft going down will lead to both the room with the ice dream box and the one with Steven Universe and the Crystal Gems. The corridor going right will go down into the rotary, see next scene. Cueball is looking down into this and expressing his dislike of this {{w|Traffic circle|type of structures}}. Maybe he has bad experience with these in real life traffic.
|-
|The rotary.
|
:(none)
|[https://www.explainxkcd.com/wiki/images/3/3e/1608_1033x1095y_The_rotary.png Overview]
|[https://xkcd.com/1608/1033:-1095+s.png (1033, 1095)]
|[https://xkcd.com/1608/1035:-1095+s.png (1035, 1095)]
|
|
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|
|This is the {{w|Traffic circle|Rotary}} that has given its name to the section of the Star Destroyer from the structure itself and right of this until the section where the cave is located. A rotary is also known as a ''traffic circle'' and is a large version of a roundabout with several roads exiting from it. At the top of the upper left passage (see the scene above) Cueball is looking down into this structure and calls it a rotary (hence the name).

The centre contains a small room with a stick figure wearing a tonsure haircut (where only the top of the head is shaved bald), a potted plant, and a coin. The plant resembles a pea plant, and the tonsure is a haircut associated with monks, so this is likely to be Gregor Mendel. Mendel was a 19th century Czech monk who discovered the principles of genetic inheritance by crossing strains of pea plants.

Large rotaries may have more than four roads leading away, but in this case, there are four, and neither of them are leading straight away up/down or left/right. Three of them are almost at a 45-degree angle, but the one going down is only a little of to the right, and soon turns straight down.

Only other feature is the Cueball rushing right on his bike in the corridor leading away from the rightmost exit. There are several bikes throughout the comic, with two more in the Globe of Death above the bridge of the Destroyer and one going down the right slope of the Volcano.

Entering the rotary for the first time there are of course three new directions to move along in, making it a special point in the users' exploration of the Destroyer.
|-
|Photon cannon Tetris piece and mini robot at bottom of hull.
|
:(None - the cannon part has been transcribed in the torpedo section)
|[https://www.explainxkcd.com/wiki/images/d/df/1608_1034x1091y_Photon_canon_Tetris_piece_and_mini_robot_at_bottom_of_hull.png Overview]
|[https://xkcd.com/1608/1034:-1093+s.png (1034, 1093)]
|[https://xkcd.com/1608/1034:-1092+s.png (1035, 1092)]
|
|
|
|Computer game: {{w|Tetris}}
|The bottom part of the scene has already been described in relation to the torpedo rain. But as can be seen here it is possible to enter the torpedo room almost directly from the bottom exit of the rotary above. Coming down that way is also a T-shaped {{w|Tetris#Colors_of_Tetriminos|tetriminos}} from the Tetris computer game. At the end of the corridor with the small robot there is a shaft, and in the exit from the corridor there is a coin.
|-
|Shaft corridor with coin and room with coin over ledge at bottom of hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/d/d3/1608_1038x1092y_Shaft_corridor_with_coin_and_room_with_coin_over_ledge_at_bottom_of_hull.png Overview]
|[https://xkcd.com/1608/1038:-1092+s.png (1038, 1092)]
|[https://xkcd.com/1608/1036:-1092+s.png (1036, 1092)]
|
|
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|
|Going down from the corridor from the scene above takes the player through a small room with a coin at the bottom of the hull and then out over a thick ledge in the air beneath the Destroyer. There is a large gap starting here that ends in the ''Atmosphere worry and car room at bottom of hull''. This large section is the section in which [https://www.explainxkcd.com/wiki/images/e/e1/1608_Entire_Rebel_Blockade_Runner_swallowed_by_Destroyer.png the Destroyer swallows the Rebel Runner] in the opening scene of the first Star Wars movie, as mentioned in the overview above.
|-
|Giant octopus in Destroyer.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/b/b5/1608_1038x1094y_Giant_octopus_in_Destroyer.png Overview]
|[https://xkcd.com/1608/1038:-1094+s.png (1038, 1094)]
|[https://xkcd.com/1608/1038:-1093+s.png (1038, 1093)]
|
|
|{{yesno|yy}}
|
|A giant octopus with a dome shaped head in a dome shaped room with coins above its tentacles left and right. In TE there are several octopuses, and this animal is also often used in xkcd in general. But particularly in ''The USS Laws of the Land'' there is both a large octopus beneath the ship and one giant tentacle reaching up from the deep. If this is considered a monster, then this section of the ship may be the monster section as there also seem to be some kind of horned monster in the room to the right of this room.
|-
|Hamster ball and stilts room.
|
:Megan: ''AaaaAaaa''
:Guy with hair: I can't leave.
|[https://www.explainxkcd.com/wiki/images/8/89/1608_1038x1095y_Hamsterball_and_stilts_room.png Overview]
|[https://xkcd.com/1608/1038:-1095+s.png (1038, 1095)]
|[https://xkcd.com/1608/1039:-1096+s.png (1039, 1096)]
|
|
|{{yesno|yy}}
|Comics: [[:Category:Hamster balls|Hamster balls category]]
|This room is the first after exiting the rotary to the upper right. The shaft goes down past the octopus room (see scene above). It is the second instance with a hamster ball in this comic, the first being a small girl (with Megan like hair) in the left part of the world just before the plateau. But in this case, it is the adult Megan that is inside the ball, not only running but actually standing on a skateboard. She is clearly not in control. As the player is on a hoverboard there is some kind of connection with a girl on skateboard. In ''Sky Toucher'' in TE Megan also uses a skateboard, inside a rounded structure.

Megan is not alone though as there is also a guy (with a wee bit of hair) on stilts. The stilts seem to be very high and if the guy wishes to stay on these stilts his assessment, that he can't leave the room, is true. Between his stilts there is a coin. The world highest stilts are shown in [[482: Height]] and in the next "game" comic after this one, [[1663: Garden]], it is possible to "[https://www.explainxkcd.com/wiki/images/0/0c/1663_garden_One_color_Between_Light_yellow_and_yellow_First_thing_stilts.png grow]" a [https://www.explainxkcd.com/wiki/images/d/d0/Garden_Stilt_walker.png girl on stilts].
|-
|Box with horns and coin room.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/a/a2/1608_1043x1093y_Box_with_horns_and_coin_room.png Overview]
|[https://xkcd.com/1608/1043:-1093+s.png (1043, 1093)]
|
|
|
|
|
|In this room across from the giant octopus room there is yet a possible monster hidden in a box. Two large horns jut out of the box, but if they are standing on the box or is sitting on some horned beast inside the box is not clear. But they look rather ominously, and if it is a monster, it would with the giant octopus make this section a monster section. A coin is hovering between the horns. The shaft up is the only way to move further down inside the Destroyer without moving over or under the hull.

Its appearance in the Star Destroyer with the coin makes it superficially similar to a holoprojector, with the coin as the holorgram - it is unclear whether this is the intended meaning, however.
|-
|Zoom out of three empty rooms near bottom of hull.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/e/e6/1608_1046x1094y_Zoom_out_of_three_empty_rooms_near_bottom_of_hull.png Overview]
|Overview
|
|
|
|
|
|A dead end with three empty room with no coins or any interesting features, thus only this zoomed out version is displayed here. The rooms are just right of the horned box and below is the part of the hull that is the opening where the Destroyer will swallow the Runner. It is not a complete waste to come over this way, as the room to the right with the hoverboard is central to the comic. But no need to go into these rooms if trying to pick up all the coins as fast as possible.
|-
|Corridor with coin.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/a/a2/1608_1046x1097y_Corridor_with_coin.png Overview]
|[https://xkcd.com/1608/1046:-1097+s.png (1046, 1097)]
|
|
|
|
|
|This is one of the longer corridors without any features. It is the only way to move right inside the destroyer in this section. The corridor goes above the three empty rooms in the scene above and also above the hoverboard room in the scene below. At the end of the corridor there is a shaft up. The only reason this segment is shown is because of the coin.
|-
|Two hoverboards room.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/0/01/1608_1048x1095y_Two_hoverboards_room.png Overview]
|[https://xkcd.com/1608/1048:-1095+s.png (1048, 1095)]
|[https://xkcd.com/1608/1048:-1094+s.png (1048, 1094)]
|
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|Comic: [[1623: 2016 Conversation Guide]]
|Self-reference to title of this comic, and the conversation guide comic released shortly after this is also referencing this entire comic as it complains that hoverboards are not real yet. There is both another hoverboard Cueball and a hoverboard Megan in this room, but compared to the players hoverboard Cueball these two are somewhat more advanced and managed to swoop around the coin in the middle. The room can only be entered from the right. To the left there is only a dead end with three completely empty rooms, so don't bother going there if you are in a hurry to pick up all the coins...
|-
|Zoom out with dead end corridor car room and shaft at top of hull.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/f/f9/1608_1051x1097y_Zoom_out_with_dead_end_corridor_car_room_and_shaft_at_top_of_hull.png Overview]
|Overview
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|Overview of the end of the long corridor with the coin mentioned above. It ends here in the dead end at the bottom. The corridor above has Cueball lying on the hood of a car in a small room quite a distance from any exits to the outside.
|-
|Cueball on hood of car room and a giant step with coins at top of hull.
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:(None)
|[https://www.explainxkcd.com/wiki/images/d/d4/1608_1048x1099y_Cueball_on_hood_of_car_room_and_a_giant_step_with_coins_at_top_of_hull.png Overview]
|[https://xkcd.com/1608/1048:-1099+s.png (1048, 1099)]
|[https://xkcd.com/1608/1049:-1099+s.png (1049, 1099)]
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|{{yesno|yy}}
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|In this dead-end room Cueball is lying on the hood of a car. Hoverboard Cueball cannot copy this as the car is not a solid segment of the image. The hull is not far away, and the car room is right where one of the large steps in the upper hull appears. Right outside there are two coins at the bottom and top of the step. These cannot be seen from inside the room. There is no fast way to get outside from here, and actually no easy way to get a car into this room either. In ''Sky Toucher'' in TE there is also a car stuck in the middle of the skyscraper a long way from the parking cellar. In this comic there is actually even one more car in the Destroyer, but that is at least close to an exit ledge (see scene below).
|-
|Atmosphere worry and car room at bottom of hull.
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:Megan: Is this ship designed to fly in the atmosphere like this?
:Blonde woman with hair bun: Whatever. Who cares it’s probably fine.
|[https://www.explainxkcd.com/wiki/images/1/1d/1608_1049x1090y_Atmosphere_worry_and_car_room_at_bottom_of_hull.png Overview]
|[https://xkcd.com/1608/1049:-1090+s.png (1049, 1090)]
|[https://xkcd.com/1608/1050:-1090+s.png (1050, 1090)]
|{{yesno|yy}}
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|Megan is referring to the fact that spaceships in Star Wars often fly fast also inside the atmosphere of a planet. Not something you would normally design for. Though in the case with the Destroyer and Runner they did not go inside the atmosphere as depicted here in the comic, in the scene from the original Star Wars movie. The blonde woman comes with a comment typical for b-moves, who cares if this would work in real life, it is just a film.

There is a large gap in the bottom hull ending here and starting in the ''Shaft corridor with coin and room with coin over ledge at bottom of hull''. This large section is the section in which [https://www.explainxkcd.com/wiki/images/e/e1/1608_Entire_Rebel_Blockade_Runner_swallowed_by_Destroyer.png the Destroyer swallows the Rebel Runner] in the opening scene of the first Star Wars movie, as mentioned in the overview above.

Behind the two women, who are standing on a thin ledge where the large gap ends, there is another car (see scene above). At least it is clear how this car could get into this room (and out again). Above the car there is a coin. Behind the car there is a corridor going into the Destroyer, but quite high up on the wall for a normal exit. The car cannot be used as a step to jump in there, as it is not part of the solid picture.
|-
|Ponytail flying up a shaft towards a coin.
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:(None)
|[https://www.explainxkcd.com/wiki/images/7/76/1608_1053x1091y_Ponytail_flying_up_a_shaft_towards_a_coin.png Overview]
|[https://xkcd.com/1608/1053:-1091+s.png (1053, 1091)]
|[https://xkcd.com/1608/1054:-1091+s.png (1054, 1091)]
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|The corridor from the room with Megan and the car is long. In the middle of it there is a shaft going up (a long way). Just inside this shaft Ponytail is seen flying up, hands in front of her like another Superman. Above her in the shaft there is a coin. This is not the only place in the comic where Ponytail is flying. Although here it seems like an automatic thing (like Superman), whereas down below on the ground below the Destroyer she has to flap her arms violently, but then actually manages to take off from the ground. In a spaceship like this Destroyer there could both be a system to let people float upwards, some gravitational effects or just plain effects of the flying itself, whereas down on the ground flying like that would be magic for sure. But at least there seems to be some correlation since it is Ponytail that flies in both cases.
|-
|Trap covered with leaves and flying Ponytail at bottom of hull.
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:Cueball: ...And we cover it with leaves so no one sees it.
|[https://www.explainxkcd.com/wiki/images/f/fd/1608_1055x1090y_Trap_covered_with_leaves_and_flying_Ponytail_at_bottom_of_hull.png Overview]
|[https://xkcd.com/1608/1055:-1090+s.png (1055, 1090)]
|[https://xkcd.com/1608/1055:-1091+s.png (1055, 1091)]
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|After the shaft where Ponytail flies up (see more in the scene above) the corridor continues to a pit which Cueball and a kid have been covering with leaves and sticks. It seems like they are making a trap, which is even more likely seeing that the bottom of the pit has six sharp spikes that would likely impale any unlucky victims that fell in. Alternatively (given the words Cueball uses), they have made this hole by mistake, and now tries to cover it so no one sees it. If he meant it to be a trap, he might instead have phrased it, "so they won't see it until it is too late". The kid looks like the kid in the room at the rotary, as they have the same hairdo.
|-
|Corridor and shaft with coin.
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:(None)
|[https://www.explainxkcd.com/wiki/images/8/8f/1608_1053x1094y_Corridor_and_shaft_with_coin.png Overview]
|[https://xkcd.com/1608/1053:-1094+s.png (1053, 1094)]
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|The shaft going up from Ponytail below goes past the corridor to the left that goes to the hoverboards room. There is a coin in the entrance.
|-
|'''Entire Corridor peristalsis and colon.'''
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:(N/A)
|[https://www.explainxkcd.com/wiki/images/c/c6/1608_Entire_Corridor_peristalsis_and_colon.png Overview]<br>[https://www.explainxkcd.com/wiki/images/b/be/1608_Entire_area_around_Corridor_peristalsis_and_colon.png Zoom out to entire area]
|Overview
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|With the comment from Hairbun about peristalsis - the bowel movement getting food etc. through the digestive system, and with the three chambers with coins above a colon like structure, leading into the corridor with these motions, with a coin both going down the colon and through the peristalsis, there can be no doubt that this is the digestive system for this "living" spaceship, and coins is what it lives off. This interpretation can further be extended to the very front end, where there is the appearance of a head that eats coins (see the front-end overview) and at the rear end a coin is bouncing out at the very last shaft before the very end of the ship. Suggesting where this animal gets rid of the waste products afterwards. (The rest of the ship is not part of this interpretation).
|-
|Corridor peristalsis and two-coin rooms at top of hull.
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:Hairbun: Ah, yes. Corridor peristalsis.
|[https://www.explainxkcd.com/wiki/images/e/e4/1608_1054x1099y_Corridor_peristalsis_and_two_coin_rooms_at_top_of_hull.png Overview]
|[https://xkcd.com/1608/1054:-1099+s.png (1054, 1099)]
|[https://xkcd.com/1608/1057:-1100+s.png (1057, 1100)]
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|Following the corridor from the room with Cueball on the hood of a car leads to a part of that corridor experiencing {{w|peristalsis}}. This is the kind of muscle movements that causes food to move through the {{w|human gastrointestinal tract}}. Hairbun is telling Cueball that this is indeed corridor peristalsis, so a way for the corridor to move stuff along. As there are coins at both end of this section it is quite clear that these coins are moved along by the corridor itself. The indentation of the corridor is so strong that the corridor is not wide enough to allow hoverboard Cueball to pass through. So, to get both coins another route needs to be found. The shortest way is to go up the shaft behind Hairbun, passing the two empty rooms with coins on the way to the top of the Destroyers hull. To get to the other side hoverboard Cueball will then have to pass through the Destroyers colon like structure to the right. See below. As mentioned in the overview above this is a clear reference to the human digestive system, or in this case the Destroyers ditto.
|-
|Corridor peristalsis and colon.
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:Cueball: Wheee!
|[https://www.explainxkcd.com/wiki/images/0/0a/1608_1055x1099y_Corridor_peristalsis_and_colon.png Overview]
|[https://xkcd.com/1608/1055:-1099+s.png (1055, 1099)]
|[https://xkcd.com/1608/1056:-1099+s.png (1056, 1099)]
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|{{yesno|yy}}
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|Moving a little further down right than the peristalsis scene above the bottom part of the {{w|Large intestine|colon}} like structure can be seen, closely connected to this other intestine like structure (The three coins in the left part of the image are the same as in the scene above). The reason for showing this scene is to show the closeness of these two digestive system structures. In ''Box that cleans food holders'' in TE Ponytail yells "Wheee!" as she slides through a pipe inside the machine on her stomach, a mix of the action performed by Cueball and Ponytail in the colon like structure. Ponytail is sliding towards a coin at the bottom in one of the colon loops. The top part of the colon can be seen in the next scene.
|-
|Colon like structure with Ponytail and Cueball sliding down.
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:(None - text already transcribed in the scene above ''Corridor peristalsis and colon''.)
|[https://www.explainxkcd.com/wiki/images/b/b3/1608_1058x1100y_Colon_like_structure_with_Ponytail_and_Cueball_sliding_down.png Overview]
|[https://xkcd.com/1608/1058:-1100+s.png (1058, 1100)]
|[https://xkcd.com/1608/1058:-1101+s.png (1058, 1101)]
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|The entrance from the top to the colon like structure have a Cueball looking down into it. The rest of the scene has been described above.
|-
|Huge step and three room with coin and Cueball looking into shaft at top of hull.
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:(None)
|[https://www.explainxkcd.com/wiki/images/1/14/1608_1058x1102y_Huge_step_and_three_room_with_coin_and_Cueball_looking_into_shaft_at_top_of_hull.png Overview]
|[https://xkcd.com/1608/1058:-1102+s.png (1058, 1102)]
|[https://xkcd.com/1608/1056:-1103+s.png (1056, 1103)]
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|This is the upper entrance to the colon like structure into which Cueball is looking. (See scenes above). To the left is the top hull of the Destroyer which takes two huge steps up at this place. Cueball is standing in a corridor with three small rooms, each with a coin in the top of the room. This seems to be a place to hold the coins until they are ready to move down the colon like structure, where another coin is already moving through, going down to the corridor peristalsis in the corridor below, where more coins are moving through the ships digestive system. Going over the hull and down this colon like structure is the fastest/shortest way between the two separated sides of the corridor peristalsis.
|-
|Coin in corridor under Buffer stop room.
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:(None)
|[https://www.explainxkcd.com/wiki/images/7/75/1608_1060x1099y_Coin_in_corridor_under_Buffer_stop_room.png Overview]
|[https://xkcd.com/1608/1060:-1099+s.png (1059, 1099)]
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|Moving away to the right from the corridor peristalsis takes hoverboard Cueball past a small shaft up into a room with two coins in front of what looks like a train {{w|buffer stop}}. One coin in front of each of the buffers. Continuing along the corridor there is another coin. The corridor continues and a shaft is going up. This part of the Destroyer is the beginning of the cave section. The cave can be entered from above by continuing along the corridor.
|-
|Cannon with coin on top of hull.
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:(None)
|[https://www.explainxkcd.com/wiki/images/a/a0/1608_1060x1103y_Canon_with_coin_on_top_of_hull.png Overview]
|[https://xkcd.com/1608/1060:-1103+s.png (1060, 1103)]
|[https://xkcd.com/1608/1062:-1103+s.png (1062, 1103)]
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|There is a similar cannon with a coin in front of the barrel on the top of the Runner below the Destroyer. This cannon is on top of the hull above and right of the three room above the colon like structure. The shaft going down right is over the next cave section.
|-
|Coin in corridor below mining company in dead end corridor.
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:(None)
|[https://www.explainxkcd.com/wiki/images/c/c8/1608_1062x1101y_Coin_in_corridor_below_mining_company_in_dead_end_corridor.png Overview]
|[https://xkcd.com/1608/1062:-1101+s.png (1062, 1101)]
|[https://xkcd.com/1608/1063:-1101+s.png (1063, 1101)]
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|Two Cueballs work as a mining company in this corridor which they are expanding. It could be that they are digging for gold, but if that gold should be represented by coins, it is weird that the coin hangs above the Cueball with the {{w|pickaxe}} in the higher section of this corridor, instead of being in front of him. The other Cueball drives away with a wheelbarrow full of the rubble they have dug free from the ship. This is another indication of how big the ship is. It is easier to just dig a new corridor than to build the corridor into the ship to begin with. Further to the left in the Destroyer there was another dead-end corridor that looked like it had been dug out - see the scene ''Dead end shaft with rubbles at bottom of hull.'' But here the mining company had left (even though there also was a coin there). The shaft to the left goes up to the hull right of the cannon from the scene above. The corridor below goes left (past another coin) to the shaft down to the corridor with peristalsis. To the right it goes above the cave to the dance hall room with piano.
|-
|Mining company in dead end corridor also coin on top of hull.
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:(None)
|[https://www.explainxkcd.com/wiki/images/c/ca/1608_1063x1102y_Mining_company_in_dead_end_corridor_also_coin_on_top_of_hull.png Overview]
|[https://xkcd.com/1608/1063:-1102+s.png (1063, 1102)]
|[https://xkcd.com/1608/1063:-1103+s.png (1063, 1103)]
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|The same mining company scene as described above but with the view moved to show the top hull, right of the cannon. Right of the shaft going up there is a coin. At the very top right of the hull, the basketball dropped by the Cueball like kid can be seen as it comes bouncing down the length of the hull. This basketball scene is part of the cave section and will be described below.
|-
|'''Entire cotton trap and spark gap room.'''
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:(N/A)
|[https://www.explainxkcd.com/wiki/images/7/78/1608_Entire_cotton_trap_and_spark_gap_room.png Overview]<br>[https://www.explainxkcd.com/wiki/images/6/65/1608_Entire_cotton_trap_and_spark_gap_room_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/3/36/1608_Entire_area_around_cotton_trap.png Entire area around]<br>[https://www.explainxkcd.com/wiki/images/a/ae/1608_Entire_area_around_cotton_trap_red.png Hidden passages in red]
|Overview
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|Here are two different zoom out of the cotton trap room with the spark gap room below. In the first overview a zoom out is shown with only these two rooms. There are four coins inside and two on the outside of the hull. The three coins around the cotton trap is almost connected by the cotton, as can be seen in the next overview where the hidden passage through the cotton is clearly marked in red. As can be seen there is a very deep black hole beneath the surface of the cotton (which Ponytail states is cotton). From the bottom of the cotton trap going left will lead to a hidden entrance to the top of the spark gap room. Going right will lead to the hidden entrance to the corridor with traps going to the left entrance to the cave. There are coins on each exit as well as just above the cotton to the right. The third image is a further zoom out to show the entire surroundings of the cotton trap room. (And the last is with the cotton etc. turned red). Here the traps in the corridor leading to the cave can be seen as well as the opening into the cave. Below that the strange spiral corridor can be seen. Both these scenes will be described below in the cave section. To the left the shaft and corridors that connect the two rooms even if not noticing the hidden passage can be seen. It is the corridor with the trap covered by Cueball and the shaft where Ponytail flies up. Three more coins are visible in this wider zoom out for a total of nine coins in this area. The two rooms will be described in further detail below. All of the rooms that can be entered through the cotton trap can also be entered through different entrances from other routes. This means that failing to find out how the cotton trap works, will not prevent the player in reaching either the spark gap from below or the cave to the right.
|-
|Entire Cotton trap room.
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:(None)
|[https://www.explainxkcd.com/wiki/images/b/be/1608_1058x1094y_Zoom_out_of_Cotton_trap_room.png Overview]<br>[https://www.explainxkcd.com/wiki/images/1/11/1608_1058x1094y_Zoom_out_of_Cotton_trap_room_red.png Hidden passages in red]
|Overview
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|Overview with the entire cotton trap with and without the cotton shown in red. See above and below for more details.
|-
|Coins in two corridors towards cotton trap.
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:(None - transcript is written in the scene below.)
|[https://www.explainxkcd.com/wiki/images/1/1d/1608_1055x1095y_Coins_in_two_corridors_towards_cotton_trap.png Overview]
|[https://xkcd.com/1608/1055:-1095+s.png (1055, 1095)]
|[https://xkcd.com/1608/1056:-1095+s.png (1056, 1095)]
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|The corridor going from the shaft with the flying Ponytail to the Ponytail warning about the cotton trap also has a coin. The coin in the exit of the other corridor to the shaft was mentioned previously as it is the exit from the room with two hoverboards. See more about the cotton trap below.
|-
|Cotton trap room with Ponytail.
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:Ponytail: Watch out for the cotton. It's a trap for someone, I think.
|[https://www.explainxkcd.com/wiki/images/2/28/1608_1058x1094y_Cotton_trap_room_with_Ponytail.png Overview]<br>[https://www.explainxkcd.com/wiki/images/4/42/1608_1058x1094y_Cotton_trap_room_with_Ponytail_red.png Hidden passages in red]
|[https://xkcd.com/1608/1057:-1095+s.png (1057, 1095)]
|[https://xkcd.com/1608/1059:-1094+s.png (1059, 1094)]
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|Entering this room along the top corridor reveals Ponytail standing at the beginning of a steep descend. She clearly warns the player about a trap made of cotton. As can be seen in the hidden passage image most of the black at the bottom of the descend is not solid floor but a hidden passage. Given Ponytails comment it must be assumed to be made of cotton. Given that hoverboard Cueball is not affected by the cotton and can move either up again, or out left or right it is not a trap for him. But other unlucky persons falling into the cotton might not be as lucky. If this is not a trap in itself, there are several traps if moving out to the right (where the coin is below the cotton level). This corridor goes to the cave, but first after passing five traps. See more about the entire surroundings in the overview scenes above.
|-
|Cotton trap room bottom.
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:(None)
|[https://www.explainxkcd.com/wiki/images/3/32/1608_1058x1092y_Cotton_trap_room_bottom.png Overview]<br>[https://www.explainxkcd.com/wiki/images/7/73/1608_1058x1092y_Cotton_trap_room_bottom_red.png Hidden passages in red]
|[https://xkcd.com/1608/1058:-1092+s.png (1058, 1092)]
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|The bottom of the cotton trap is a dark place. But as can be seen in the red hidden passage image it is possible to move both left and right to get out. In either case a coin can be obtained at the exit. The left exit leads to a shaft going into the spark gap room below, and the right exit leads through a corridor with traps into the cave. Going up in the spark gap room below will clearly reveal the shaft up. But if the cotton trap has not been discovered at this time, it is likely that the player will not attempt to breech the wall and would thus fail to enter the cotton trap from below. The coin could easily seem enough reason for this dead-end shaft above the room.
|-
|Entire spark gap room to bottom of hull.
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:(N/A)
|[https://www.explainxkcd.com/wiki/images/7/7b/1608_1058x1090y_Zoom_out_of_spark_gap_room_to_bottom_of_hull.png Overview]
|Overview
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|An overview of the entire spark gap room, both showing the two coins beneath the outside hull as well as the coin in the top shaft (leading to the cotton trap to the right of this) and the coin behind the spark gap. See more below.
|-
|Spark gap room
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:Cueball on wall: Shh.
:Electrode bottom: JS
:Electrode top: JS
|[https://www.explainxkcd.com/wiki/images/4/4d/1608_1057x1092y_Spark_gap_room_with_Cueball_on_the_wall.png Overview]<br>[https://www.explainxkcd.com/wiki/images/6/6a/1608_1058x1090y_Spark_gap_room_only_with_Cueball_on_floor_and_coins_at_bottom_of_hull.png Buttom part to below hull]
|[https://xkcd.com/1608/1058:-1090+s.png (1058, 1090)]
|[https://xkcd.com/1608/1057:-1092+s.png (1057, 1092)]
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|This room is called the {{w|spark gap}} room, because there seems to be a spark between the two large electrode like structures marked JS. Cueball is watching this, maybe he is the evil inventor that has created this device. At least another Cueball is climbing high above him up on the wall to the left, and when the player passes him on his hoverboard he asks the player no to talk about him (''shh''). It is unclear if he is sneaking away, spying, or sneaking down to attack the other Cueball. A coin is hidden behind the spark gap, but as the spark gap is of the "red" type of black hoverboard Cueball can pass without problems into the coin. As can be seen in the other image displaying the lower part of this scene, the coin outside of the hull is close by, and actually the two coins above each other down there are in the same small image (see the first of the small images).
|-
|Corridor with fire and hammer traps.
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:Hammers left: Chomp Chomp
:Hammer right: Chomp
|[https://www.explainxkcd.com/wiki/images/a/a2/1608_1061x1093y_Corridor_with_fire_and_hammer_traps.png Overview]<br>[https://www.explainxkcd.com/wiki/images/1/16/1608_1061x1093y_Corridor_with_fire_and_hammer_traps_red.png Hidden passages in red]
|[https://xkcd.com/1608/1060:-1094+s.png (1060, 1094)]
|[https://xkcd.com/1608/1061:-1093+s.png (1061, 1093)]
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|This is the corridor exiting the cotton trap room (with a coin as mentioned previously), see the cotton in the hidden passage in red image. The corridor leads to the cave, but to get there five traps has to be passed. First there are four hammers with jagged edges that opens and closes with much force as perceived by the noises. And then a pit with a fire has to be surpassed. Of course, as can be seen in the "red" image, neither of these traps are any problem for hoverboard Cueball as they are all of the red type of black. But it is a clear indication that the player is about to enter some interesting place, which is true as the cave is one of the most interesting places in the Destroyer. Although there are two other ways to get into the cave, it is by far the most interesting way to enter the cave for the first time!
|-
|Corridor to cave opening.
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:(None)
|[https://www.explainxkcd.com/wiki/images/3/32/1608_1062x1094y_Corridor_to_cave_opening.png Overview]
|[https://xkcd.com/1608/1062:-1094+s.png (1062, 1094)]
|[https://xkcd.com/1608/1063:-1094+s.png (1063, 1094)]
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|Same scene as above but only the right part with the fire, to show how the corridor enters the beginning of the cave.
|-
|Zoom out with spiral corridor at bottom of the hull.
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:(N/A)
|[https://www.explainxkcd.com/wiki/images/4/45/1608_1063x1091y_Zoom_out_with_spiral_corridor_at_bottom_of_the_hull.png Overview]
|Overview
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|Below the corridor to the cave is a strange corridor which spirals into nothing in the middle. There are no coins in this section, so this is a zoom out without any further zoom in on this section. The room at the top seems like a starting point to go into the spiral. The corridor to the right goes into the huge glitch floor room below the cave. The shaft down goes out the bottom of the hull.
|-
|'''Entire Cave Bridge and rear end.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/7/74/1608_Entire_Cave_Bridge_and_rear_end.png Overview]<br>[https://www.explainxkcd.com/wiki/images/e/e0/1608_Entire_Cave_Bridge_and_rear_end_red.png Hidden passages in red]
|Overview
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|-
|'''Entire cave section.'''
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:(N/A)
|[https://www.explainxkcd.com/wiki/images/1/1d/1608_Entire_cave_section.png Overview]
|Overview
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|-
|Entire Cave and Glitch floor room.
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:(N/A)
|[https://www.explainxkcd.com/wiki/images/e/ea/1608_Entire_Cave_and_Glitch_floor_room.png Overview]
|Overview
|
|{{yesno|yy}}
|
|
|
|From this image it is clear that the two largest rooms in the Destroyer are almost of the same size and positioned almost on top of each other. They only need a little parallel shift to make them into one big circular room. The Glitch floor room is a feature that can be seen in the Star Wars film, as a protrusion beneath the hull of the Destroyer. In an actual Star Destroyer, this protrusion holds the hyper matter reactor that powers the ship as a whole.
|-
|'''Entire Cave.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/5/58/1608_Entire_Cave.png Overview]<br>[https://www.explainxkcd.com/wiki/images/2/24/1608_Entire_Cave_and_shaft_above.png With shaft and room above]<br>[https://www.explainxkcd.com/wiki/images/b/bf/1608_Entire_Cave_With_entire_pyramid_for_scale.png Size scale of Pyramid]
|Overview
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|In ''Sky Toucher'' there is also a floor in the skyscraper with trees inside, just like the tree inside the cave inside the Destroyer.
|-
|Lake with tree birds and puma on rock at exit in the bottom left side of the cave.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/7/75/1608_1053x1093y_Lake_with_tree_birds_and_puma_on_rock_at_exit_in_the_bottom_left_side_of_the_cave.png Overview]<br>[https://www.explainxkcd.com/wiki/images/8/81/1608_1053x1093y_Lake_with_tree_birds_and_puma_on_rock_at_exit_in_the_bottom_left_side_of_the_cave_red.png Hidden passages in red]
|[https://xkcd.com/1608/1065:-1093+s.png (1065, 1093)]
|[https://xkcd.com/1608/1067:-1094+s.png (1067, 1094)]
|
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|{{w|Puma}}, or mountain lions, are important predators in an ecosystem and would help keep the deer population in this cave under control.
|-
|Three birds in the top left side of the cave.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/5/5a/1608_1065x1095y_Three_birds_in_the_top_left_side_of_the_cave.png Overview]
|[https://xkcd.com/1608/1065:-1095+s.png (1065, 1095)]
|
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|The {{w|National Audubon Society}} has its origins in bird conservation, and it is only natural that an Imperial Park such as this (see below) would also contain birds.
|-
|Gazebo puma deer Cueball with bow and talk of Palpatine in the middle of the cave.
|
:Cueball: I know it seems weird, but every Star Destroyer has one of these rooms.
:Cueball: Say what you will about Palpatine's politics, but he's a staunch supporter of the imperial parks and the Coruscant Audubon society.
|[https://www.explainxkcd.com/wiki/images/b/b0/1608_1067x1094y_Gazebo_puma_deer_Cueball_with_bow_and_talk_of_Palpatine_in_the_middle_of_the_cave.png Overview]
|[https://xkcd.com/1608/1068:-1093+s.png (1068, 1093)]
|[https://xkcd.com/1608/1068:-1094+s.png (1068, 1094)]
|{{yesno|yy}}
|
|
|
|The {{w|National Audubon Society}} is a non-profit environmental organization dedicated to conservation. Palpatine is the evil emperor and the capital "planet" Coruscant is a planet with city all over the solid parts of the surface. So that he is interested in keeping parks both on this planet and on all his Star Destroyers comes as a surprise...
|-

|The broad shaft going into the top of the cave.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/a/a5/1608_1067x1097y_The_broad_shaft_going_into_the_top_of_the_cave.png Overview]
|[https://xkcd.com/1608/1067:-1097+s.png (1067, 1097)]
|[https://xkcd.com/1608/1068:-1096+s.png (1068, 1096)]
|
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|-
|Deer and exit below lamp coin and Black Hat in the bottom right side of the cave.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/6/68/1608_1069x1093y_Deer_and_exit_below_lamp_coin_and_Black_Hat_in_the_bottom_right_side_of_the_cave.png Overview]<br>[https://www.explainxkcd.com/wiki/images/6/69/1608_1069x1093y_Deer_and_exit_below_lamp_coin_and_Black_Hat_in_the_bottom_right_side_of_the_cave_no_coin.png Without coin]
|[https://xkcd.com/1608/1069:-1093+s.png (1069, 1093)]
|[https://xkcd.com/1608/1071:-1093+s.png (1071, 1093)]
|
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|
|Black Hat is sitting in a cubby high above the ground and looks to be asleep.
|-
|Lamp coin and Black Hat in the top right side of the cave.
|
:Insects: ''Bzzzzz''

:Black Hat: Zzz
|[https://www.explainxkcd.com/wiki/images/0/0d/1608_1070x1095y_Lamp_coin_and_Black_Hat_in_the_top_right_side_of_the_cave.png Overview]<br>[https://www.explainxkcd.com/wiki/images/a/aa/1608_1070x1095y_Lamp_coin_and_Black_Hat_in_the_top_right_side_of_the_cave_no_coin.png Without coin]
|[https://xkcd.com/1608/1070:-1095+s.png (1070, 1095)]
|
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|
|In this image the coin is part of the scenery as it is the lamp the buzzing insects fly around. When it is gone it reveals a broken lamp, and an insect that had been hidden behind the coin.
|-
|Corridor from shaft to the two coins in corridors.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/e/e1/1608_1063x1099y_Corridor_from_shaft_to_the_two_coins_in_corridors.png Overview]
|[https://xkcd.com/1608/1065:-1099+s.png (1065, 1099)]
|[https://xkcd.com/1608/1064:-1098+s.png (1064, 1098)]
|
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|-
|Two coins in corridors and four-coin room above shaft to cave.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/0/0b/1608_1067x1104y_Two_coins_in_corridors_and_four_coin_room_above_shaft_to_cave.png Overview]
|[https://xkcd.com/1608/1067:-1100+s.png (1067, 1100)]
|[https://xkcd.com/1608/1067:-1098+s.png (1067, 1098)]
|
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|-
|Chandelier room with two coins above cave.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/d/d6/1608_1070x1098y_Chandelier_room_with_two_coins_above_cave.png Overview]
|[https://xkcd.com/1608/1070:-1098+s.png (1070, 1098)]
|[https://xkcd.com/1608/1071:-1098+s.png (1071, 1098)]
|
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|
|The coins here look like lightbulbs, although it is unclear what a chandelier is doing in a room like this.
|-
|Zoom out with dance room and basketball and slinky stair at top of hull.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/f/f3/1608_1068x1101y_Zoom_out_with_dance_room_and_basketball_and_slinky_stair_at_top_of_hull.png Overview]
|Overview
|
|
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|-
|Basketball on top of Destroyer - zoom out.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/5/5a/1608_1065x1104y_Basket_ball_on_top_of_Destroyer_zoom_out.png Overview]
|Overview
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|
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|-
|Coin close to basketball on top of Destroyer.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/4/4e/1608_1063x1104y_Coin_close_to_basket_ball_on_top_of_Destroyer.png Overview]
|[https://xkcd.com/1608/1065:-1104+s.png (1065, 1104)]
|[https://xkcd.com/1608/1064:-1104+s.png (1064, 1104)]
|
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|
|This coin could also be something that's bouncing down the slope of the Star Destroyer hull - see below.
|-
|Basketball on top of Destroyer.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/1/1d/1608_1067x1104y_Basket_ball_on_top_of_Destroyer.png Overview]
|[https://xkcd.com/1608/1067:-1104+s.png (1067, 1104)]
|[https://xkcd.com/1608/1066:-1104+s.png (1066, 1104)]
|
|
|{{yesno|yy}}
|
|2 Cueballs, Megan and Ponytail are playing basketball on top of the sloped hull of the Star Destroyer. This has proven to be a bad idea, as the slope of the hull has caused the basketball to bounce and roll down the slope, while Cueball runs behind it to catch it.
|-
|Dancing room with piano.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/a/a7/1608_1069x1101y_Dancing_room_with_piano.png Overview]
|[https://xkcd.com/1608/1069:-1101+s.png (1069, 1101)]
|[https://xkcd.com/1608/1070:-1101+s.png (1070, 1101)]
|
|
|
|
|Possibly a reference to Gene Kelly, Leslie Caron, and Oscar Levant in "An American in Paris."
|-
|Slinky staircase at top of hull.
|
:Slinky: Slink slink slink
|[https://www.explainxkcd.com/wiki/images/1/1c/1608_1069x1104y_Slinky_stair_case_at_top_of_hull.png Overview]
|[https://xkcd.com/1608/1069:-1104+s.png (1069, 1104)]
|[https://xkcd.com/1608/1070:-1103+s.png (1070, 1103)]
|
|
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|
|While it is unclear why the slinky is on the star destroyer at all, the stairs are a reference to the slinky {{w|jingle}} which says "walks downstairs..." The noise is also a reference to the creation of the name "slinky" which was based on the word slink in the dictionary.
|-
|Upside down room and Giddyayup cowboy riding the ship at top of hull.
|
:Cowboy: Giddyayup!
|[https://www.explainxkcd.com/wiki/images/7/79/1608_1073x1104y_Upside_down_room_and_Giddyayup_cowboy_riding_the_ship_at_top_of_hull.png Overview]
|[https://xkcd.com/1608/1072:-1104+s.png (1072, 1104)]
|[https://xkcd.com/1608/1074:-1103+s.png (1074, 1103)]
|
|
|
|
|The man on top of the hull is a reference to riding a horse and specifically an American cowboy riding a horse. The (Cueball?) is using reins to "steer" the star destroyer much the same as one would steer a horse. In addition, "Giddyayup" is the command for a horse move. The upside-down room is most likely just a simple visual gag, but could also be a reference to the fact that star destroyers have artificial gravity in SW and thus any direction could be "up" depending on where you are.
|-
|'''Entire Glitch floor room.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/5/52/1608_Entire_Glitch_floor_room.png Overview]<br>[https://www.explainxkcd.com/wiki/images/6/6b/1608_Entire_Glitch_floor_room_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/6/63/1608_Entire_Glitch_floor_room_and_two_close_rooms.png Including two rooms]<br>[https://www.explainxkcd.com/wiki/images/d/dd/1608_Entire_Glitch_floor_room_and_two_close_rooms_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/4/49/1608_Entire_area_around_Glitch_floor_room.png Entire area around the room]<br>[https://www.explainxkcd.com/wiki/images/0/00/1608_Entire_area_around_Glitch_floor_room_red.png Hidden passages in red] [https://www.explainxkcd.com/wiki/images/6/63/1608_Entire_Glitch_floor_room_and_two_close_rooms.png Also including two close rooms]<br>[https://www.explainxkcd.com/wiki/images/d/dd/1608_Entire_Glitch_floor_room_and_two_close_rooms_red.png Hidden passages in red]<br>[https://www.explainxkcd.com/wiki/images/4/49/1608_Entire_area_around_Glitch_floor_room.png Entire area around the room]<br>[https://www.explainxkcd.com/wiki/images/0/00/1608_Entire_area_around_Glitch_floor_room_red.png Hidden passages in red]
|Overview
|
|
|
|
|
|In the zoom outs the coin below the hidden glitch in the floor can be seen at the very bottom of the pictures. It is quite a drop to catch it, but if you did not expect it, it is likely you would reach it before going up again.
|-
|Bottom center of Glitch floor room with coin sign and Cueball.
|
:Large sign:
::!
::Caution:
::Glitchfloor.

:Floor signs:
::!
::!
|[https://www.explainxkcd.com/wiki/images/f/fa/1608_1070x1089y_Bottom_center_of_Glitch_floor_room_with_coin_sign_and_Cueball.png Overview]<br>[https://www.explainxkcd.com/wiki/images/7/71/1608_1070x1089y_Bottom_center_of_Glitch_floor_room_with_coin_sign_and_Cueball_red.png Hidden passages in red]
|[https://xkcd.com/1608/1069:-1088+s.png (1069, 1088)]
|[https://xkcd.com/1608/1070:-1088+s.png (1070, 1088)]
|
|
|
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|You are warned not to step onto this glitch floor! But if you do you can drop down to yet another coin far below the Destroyer, but even farther up above the ground.
|-
|Two rooms with coins right of Glitch floor room.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/2/2e/1608_1074x1090y_Two_rooms_with_coins_right_of_Glitch_floor_room.png Overview]
|[https://xkcd.com/1608/1073:-1092+s.png (1073, 1092)]
|[https://xkcd.com/1608/1074:-1091+s.png (1074, 1091)]
|
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|-
|Cannon protruding below the hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/f/f4/1608_1075x1088y_Canon_protruding_below_the_hull.png Overview]
|[https://xkcd.com/1608/1075:-1088+s.png (1075, 1088)]
|[https://xkcd.com/1608/1076:-1088+s.png (1076, 1088)]
|
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|
|This cannon is a standard cannon seen on a star destroyer in Star Wars and is not out of place here. It is somewhat unusual that this is on the bottom, since these cannons are generally on top though they are all over the ship, and there are turrets on the bottom of the First Order star destroyer in Force Awakens. Also, the shape is more reminiscent of a real tank gun than the squarer turrets in Star Wars, though this is probably just an effect of Randall's drawing style, rather than anything significant.
|-
|Entire area around the bridge.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/b/bd/1608_Entire_area_around_the_bridge.png Overview]<br>[https://www.explainxkcd.com/wiki/images/4/4b/1608_Entire_Bridge_and_rear_section.png Entire bridge area]<br>[https://www.explainxkcd.com/wiki/images/f/f1/1608_Entire_Bridge_and_emperor.png Brdige and emperor]<br>[https://www.explainxkcd.com/wiki/images/c/c2/1608_Entire_Bridge_and_globe_of_death.png Bridge and globe of death]<br>[https://www.explainxkcd.com/wiki/images/5/54/1608_Actual_Bridge_with_Vader_and_Tarkin.png Actual bridge]<br>[https://www.explainxkcd.com/wiki/images/c/c7/1608_Vader_twice_and_emperor_on_and_near_bridge.png Vader twice and emperor]
|Overview
|
|
|
|
|
|This is the main bridge of the Star Destroyer, including the command deck. It hosts both Darth Vader and Emperor Palpantine aboard. The Globe of Death is a part of the Star Destroyer's deflector shield generators.
|-
|Ponytail with paper plane and coin below her on top hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/1/11/1608_1077x1107y_Ponytail_with_paper_plane_and_coin_below_her_on_top_hull.png Overview]
|[https://xkcd.com/1608/1078:-1106+s.png (1078, 1006)]
|[https://xkcd.com/1608/1077:-1105+s.png (1077, 1105)]
|
|
|{{yesno|yy}}
|
|Cueball also throws out a plane in Click and Drag from the skyscraper. This also happens in the ''Sky Toucher'' in TE where it is Ponytail again.
|-
|Tarkin on the bridge and Ponytail with paper plane.
|
:Cueball: The fault, dear Tarkin, is not in our star destroyers, but in ourselves.
|[https://www.explainxkcd.com/wiki/images/2/20/1608_1077x1107y_Tarkin_on_the_bridge_and_Ponytail_with_paper_plane.png Overview]
|[https://xkcd.com/1608/1077:-1107+s.png (1077, 1107)]
|[https://xkcd.com/1608/1077:-1108+s.png (1077, 1108)]
|{{yesno|yy}}
|
|
|
|| This is most likely a reference to the book (then made into a movie) titled "{{w|The Fault in Our Stars}}". The title of which is a reference to a line in {{w|William Shakespeare |Shakespeare's}} play {{W|Julius Caesar (play) |Julius Ceasar}}; "The fault, dear Brutus, is not in our stars, / But in ourselves". Grand Moff Tarkin is the commander of the Death Star in Star Wars Episode IV: A New Hope.
|-
|Darth Vader talks about Steven Universe on the bridge Megan adjust antenna.
|
:Megan: Such a pain adjusting this thing every time we move

:Darth Vader: ''Breathe''
:Darth Vader: But Steven's ''mother'' is a crystal gem,
:Darth Vader: ''Breathe'')
:Darth Vader: so he's half- Are you getting all this?
:Hairy: Yes, my Lord!
|[https://www.explainxkcd.com/wiki/images/f/fa/1608_1077x1109y_Darth_Vaders_talks_about_Steven_Universe_on_the_bridge_Megan_adjust_antenna.png Overview]
|[https://xkcd.com/1608/1077:-1109+s.png (1077, 1109)]
|[https://xkcd.com/1608/1077:-1110+s.png (1077, 1110)]
|{{yesno|yy}}
|
|
|TV series: {{w|Steven Universe}}
|Darth Vader refers to Steven Universe from the TV series. His mother is a Crystal Gem, so since his father is human, he is only a half gem, which is a joke in itself. Steven and his family are located inside a room in the middle of the Destroyer. Maybe as prisoners or it could be Vader is just a big fan since he talks about them on the bridge.
|-
|Globe of Death at the top of the Destroyer.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/7/7b/1608_1078x1111y_Globe_of_Death_at_the_top_of_the_Destroyer.png Overview]
|[https://xkcd.com/1608/1078:-1110+s.png (1078, 1110)]
|[https://xkcd.com/1608/1077:-1112+s.png (1077, 1112)]
|{{yesno|yy}}
|
|
|
|This structure of the Globe of death is a part of the Star Destroyer's deflector shield generator globes as can be seen in the films.
|-
|Fire system with pure oxygen and two coins room.
|
:Hairbun: In the event of a fire on one of the decks, this system will seal it off and pump in pure oxygen.
:Ponytail: Wait, ''Oxygen?'' Not a fire suppressant like-
:Hairbun: Ugh, ''boring''.

|[https://www.explainxkcd.com/wiki/images/d/d0/1608_1080x1105y_Fire_system_with_pure_oxygen_and_two_coins_room.png Overview]
|[https://xkcd.com/1608/1080:-1105+s.png (1080, 1105)]
|[https://xkcd.com/1608/1081:-1105+s.png (1081, 1105)]
|
|
|
|
|This is a reference to a {{w|Gaseous fire suppression}} in which tanks similar to those shown are filled with an inert gas, usually nitrogen. Similar systems are referenced in [[1737: Datacenter Scale]]. This system is generally used in large server rooms, where a room with fire will be sealed off from the rest of the servers, and the inert gas will flow into the room, extinguishing the fire, at the cost of whatever was in the room. Since this could be deadly these systems are only legal in rooms with little or no human interaction. The character on the left (Possibly Megan with hair buns) starts off by describing this system, though the system on the star destroyer has the key difference of piping in oxygen, instead of nitrogen, which Ponytail questions. Megan responds "Uhh, ''Boring''." which is technically true. An Inert gas will have a little visible effect, and the fire will slowly die. Piping in oxygen, however, is not a valid way to extinguish flames, as it would feed the fire instead of extinguishing it, though, if you have an adequate seal, this might not be as much of a problem as it sounds. The fire will eventually consume all of the oxygen and die. Unfortunately, there are 3 problems with this. The first is simple: there are people on a star destroyer, and this system will kill them if they happen to be near the fire. The second is that in addition to simply feeding the fire the oxygen is explosive, which could potentially blow the doors that seal the decks, allowing the fire to spread. The third is in the wording of (Megan?); who says that it will seal off the affected ''deck'' which is SW generally refers to an entire level. While this may just be a wording error by Randall, given the humor of the rest of the system, it would not be a great leap to imagine a system that seals off a whole floor regardless of the size of the fire, killing everyone on that floor. In addition, given that the Empire is evil, it is also not a stretch to believe that they would kill an entire deck for a small fire just because the alternative is boring. This kind of scenario was in fact explored in the novel {{w|Star Wars: Lost Stars}} where it is described that entire decks were destroyed during the scene in {{w|The Empire Strikes Back}} where a star destroyer chases the Millennium Falcon through an asteroid field. This destruction is pointed out in the novel and dismissed, as it is in this comic.
|-
|Darth Vader’s gold bullion and Cueball and Ponytail in small room at the top of the hull.
|
:Cueball: Aha! Darth Vader's secret gold bullion reserves! We'll be rich!
:Megan: I'm not sure this is canon.
:Bags: $ $ $
:Boxes: $ $ $ $ $
|[https://www.explainxkcd.com/wiki/images/7/7e/1608_1080x1108y_Darth_Vaders_gold_bullion_and_Cueball_and_Ponytail_in_small_room_at_the_top_of_the_hull.png Overview]
|[https://xkcd.com/1608/1080:-1108+s.png (1080, 1108)]
|[https://xkcd.com/1608/1079:-1109+s.png (1079, 1109)]
|{{yesno|yy}}
|
|
|
|Despots are generally known for having vast reserves of wealth hidden away secretly, often in the form of gold. Here, Megan remarks on finding Darth Vader's secret stash. This is obviously not canon, as Cueball remarks - Darth Vader's palaces in both canon and legacy storylines have been largely devoid of treasures and wealth, being mostly a place of meditation on the Dark Side.
|-
|Large crocodile near globe of death at the top of the hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/e/e8/1608_1081x1110y_Large_crocodile_near_globe_of_death_at_the_top_of_the_hull.png Overview]
|[https://xkcd.com/1608/1081:-1110+s.png (1081, 1110)]
|[https://xkcd.com/1608/1079:-1111+s.png (1079, 1111)]
|
|
|
|
|Crocodiles are cold-blooded creatures, and a flat, open, sunlit space such as the top of the Star Destroyer Bridge would be a great place for a crocodile to bask in the sun to warm itself.
|-
|The Emperor Palpatine and his birds at the top of the hull.
|
:Guy: My emperor...
:Guy: We all share in your newfound enthusiasm for birdwatching.
:Guy: But normally one watches them in the wild, rather than drugging and imprisoning them in a house of stairs.
:Emperor: ''Silence.''
:Bird: Chirp
:Bird: Chirp
|[https://www.explainxkcd.com/wiki/images/6/6b/1608_1083x1109y_The_Emperor_Palpatine_and_his_birds_at_the_top_of_the_hull.png Overview]
|[https://xkcd.com/1608/1083:-1109+s.png (1083, 1109)]
|[https://xkcd.com/1608/1084:-1109+s.png (1084, 1109)]
|{{yesno|yy}}
|
|
|
|House of Stairs may refer to the M. C. Escher {{w|House Of Stairs|lithograph}} with that title, but this is more likely to be a reference to the William Sleator novel {{w|House of Stairs (Sleator novel)|House Of Stairs}} (named for the Escher work) which features five teenage orphans who wake up inside an environment with similarities to that in the Escher print (but with normal gravity).
|-
|Coin behind the rear end at the top of the hull.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/0/01/1608_1087x1108y_Coin_behind_the_rear_end_at_the_top_of_the_hull.png Overview]
|[https://xkcd.com/1608/1087:-1108+s.png (1087, 1108)]
|
|
|
|
|
|
|-
|'''Entire Prince of Persia maze.'''
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/b/b0/1608_Entire_Prince_of_Persia_maze.png Overview]<br>[https://www.explainxkcd.com/wiki/images/f/fa/1608_Entire_Prince_of_Persia_maze_with_both_exits.png Including both exits]
|Overview
|
|
|
|
|Computer game: {{w|Prince of Persia}}
|Compare to this [https://cdn.wikimg.net/strategywiki/images/a/a2/Princeofpersia_dos_level1.png picture of level 1] taken from the game.
|-
|Corridor left of Prince of Persia maze.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/5/5b/1608_1073x1101y_Corridor_left_of_Prince_of_Persia_maze.png Overview]
|[https://xkcd.com/1608/1073:-1101+s.png (1073, 1101)]
|[https://xkcd.com/1608/1072:-1101+s.png (1072, 1101)]
|
|
|
|
|See above.
|-
|Left entrance to Prince of Persia maze.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/6/6c/1608_1076x1101y_Left_entrance_to_Prince_of_Persia_maze.png Overview]
|[https://xkcd.com/1608/1076:-1101+s.png (1076, 1101)]
|[https://xkcd.com/1608/1077:-1101+s.png (1077, 1101)]
|
|
|
|
|See above.
|-
|Left part of Prince of Persia maze.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/0/03/1608_1079x1102y_Left_part_of_Prince_of_Persia_maze.png Overview]
|[https://xkcd.com/1608/1077:-1102+s.png (1077, 1102)]
|[https://xkcd.com/1608/1080:-1102+s.png (1080, 1102)]
|
|
|
|
|See above.
|-
|Right part and exit of Prince of Persia maze.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/1/1d/1608_1082x1101y_Right_part_and_exit_of_Prince_of_Persia_maze.png Overview]
|[https://xkcd.com/1608/1082:-1101+s.png (1082, 1101)]
|[https://xkcd.com/1608/1081:-1102+s.png (1081, 1102)]
|
|
|
|
|See above.
|-
|Right exit of Prince of Persia maze and shafts.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/4/42/1608_1084x1103y_Right_exit_of_Prince_of_Persia_maze_and_shafts.png Overview]
|[https://xkcd.com/1608/1083:-1102+s.png (1083, 1102)]
|[https://xkcd.com/1608/1083:-1103+s.png (1083, 1103)]
|
|
|
|
|See above.
|-
|Ant Queen and alarm ante room.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/1/10/1608_Ant_Queen_and_alarm_ante_room.png Overview]
|Overview
|
|
|
|
|
|In this section all rooms have the same dome shaped ceiling that goes a little below the walls of the corridors.
|-
|Corridor with alarm and trapped Cueball.
|
:Alarm: …Beep…
:Alarm: …Beep…
:Alarm: …Beep…
|[https://www.explainxkcd.com/wiki/images/0/01/1608_1075x1094y_Corridor_with_alarm_and_trapped_Cueball.png Overview]
|[https://xkcd.com/1608/1075:-1094+s.png (1075, 1094)]
|[https://xkcd.com/1608/1074:-1094+s.png (1074, 1094)]
|
|
|
|
|Cueball appears to be trapped beneath a platform and is looking up, presumably wondering how to escape this situation. This has been made more ominous by the alarm going off nearby, which adds to the seriousness of the situation. A coin has been stored alongside some boxes nearby as well.
|-
|Ant Queen in Destroyer.
|
:Cueball: What's up?
:Ant queen: The usual. Poopin' out ants.
:Cueball: Eww.
|[https://www.explainxkcd.com/wiki/images/d/d2/1608_1078x1095y_Ant_Queen_in_Destroyer.png Overview]
|[https://xkcd.com/1608/1078:-1095+s.png (1078, 1095)]
|[https://xkcd.com/1608/1077:-1094+s.png (1077, 1094)]
|
|
|{{yesno|yy}}
|Comic: [[1610: Fire Ants]] and [[1641: Hot Dogs]]
|The ant comic was released only a week after this comic and refers how cool ants are. Ants are also used twice in TE A zoom in on an ant is used to indicate size in ''Earth's past'' and under the ''Tree'' in that explanation there is an ant colony where one ant is much bigger than the others: an ant queen, a clear reference to the ant queen in the Destroyer. The other comic is a discussion running along exactly the same template ending in ''Eww''.

This is probably a reference to a part of Orson Scott Card's "Xenocide" in his Ender series. In it, the main character, Ender, visits a hive queen "bugger" he saved on his travels and became friends with, at a time after the queen has settled in on a new planet. At one point, Ender brings other humans to meet the queen at a time when she was giving birth to some of her drones. This is most likely meant to represent a parody of that conversation or else represent a comedic idea of his first conversation with her when she had been birthing, where Ender is alone and is speaking to the Hive Queen. In this version, when he finds out that she is in the process of birthing more ants, rather than being compassionate and understanding with the Queen (as he is in the book), Ender is weirded out like the other humans he brings along with him later.
|-
|Entire shafts from top to bottom towards the rear end.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/c/ce/1608_Entire_shafts_from_top_to_bottom_towards_the_rear_end.png Overview]
|Overview
|
|
|
|
|
|This is the longest shaft in the Destroyer, and with the other shaft going out at the rear end, it is possible to go from the top room at the emperor and out beneath in a very short time.
|-
|Coin in the longest shaft.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/5/5a/1608_1084x1099y_Coin_in_the_longest_shaft.png Overview]
|[https://xkcd.com/1608/1084:-1099+s.png (1084, 1099)]
|
|
|
|
|
|Might be a reference to how the emperor fell to his first death by being thrown down a shaft in the throne room by Darth Vader onboard the 2nd Death Star in Return of the Jedi.
|-
|Cueball and Megan hanging on to each other in a shaft figuring this out.
|
:Cueball: Okay
:Cueball: We can figure this out.
|[https://www.explainxkcd.com/wiki/images/c/c4/1608_1084x1095y_Cueball_and_Megan_hanging_on_to_each_other_in_a_shaft_figuring_this_out.png Overview]
|[https://xkcd.com/1608/1084:-1095+s.png (1084, 1095)]
|
|
|
|
|
|Possibly a reference to a similar scene in "The Emperor's New Groove", although neither character here is obviously a llama.
|-
|Zoom out on light bulb with corridor and other room.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/5/5b/1608_1084x1092y_Zoom_out_on_light_bulb_with_corridor_and_other_room.png Overview]
|Overview
|
|
|
|
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|-
|Giant light bulb room.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/d/d2/1608_1084x1090y_Giant_light_bulb_room.png Overview]
|[https://xkcd.com/1608/1084:-1090+s.png (1084, 1090)]
|[https://xkcd.com/1608/1085:-1090+s.png (1085, 1090)]
|
|
|{{yesno|yy}}
|
|In ''The pieces everything is made of'' in TE a light bulb is used as reference for the entry on tungsten as the filament in such bulbs is made from this element.
|-
|Hairbun proposition room and Cueball losing his sandwich at the rear end.
|
:Hairbun: Use a proposition instead of a preposition if you need something to end a sentence with, baby.

:Cueball: My sandwich!
|[https://www.explainxkcd.com/wiki/images/6/63/1608_1086x1091y_Hair_Bun_Girl_proposition_room_and_Cueball_losing_his_sandwich_at_the_rear_end.png Overview]
|[https://xkcd.com/1608/1086:-1091+s.png (1086, 1091)]
|[https://xkcd.com/1608/1089:-1091+s.png (1089, 1091)]
|
|
|
|
|One comment is inside the other on the outside of the Destroyer. Cueballs sandwich will fall to the ground.
|-
|Coin bouncing out from a shaft below the hull.
|
:Coin: Bounce
|[https://www.explainxkcd.com/wiki/images/4/44/1608_1086x1088y_Coin_bouncing_out_from_a_shaft_below_the_hull.png Overview]
|[https://xkcd.com/1608/1086:-1088+s.png (1086, 1088)]
|[https://xkcd.com/1608/1086:-1090+s.png (1086, 1090)]
|
|
|
|
|In relation to the colon interpretation (see above) then this would literally be the rear of this living spaceship, and the coin is the waste going out the rear entry!
|-
|Megan hanging on below the bottom of the hull.
|
:Megan Hmm.
|[https://www.explainxkcd.com/wiki/images/e/ee/1608_1082x1088y_Megan_hanging_on_below_the_bottom_of_the_hull.png Overview]
|[https://xkcd.com/1608/1082:-1088+s.png (1082, 1088)]
|
|
|
|
|
|Megan has found herself in a precarious situation and is humorously underreacting by going 'Hmm'.
|-
|Zoom out on shaft and small dead-end room at the rear end.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/1/11/1608_1088x1098y_Zoom_out_on_shaft_and_small_dead_end_room_at_the_rear_end.png Overview]
|Overview
|
|
|
|
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|-
|Zoom out on shafts and part of the rear end.
|
:(N/A)
|[https://www.explainxkcd.com/wiki/images/4/45/1608_1088x1105y_Zoom_out_on_shafts_and_part_of_the_rear_end.png Overview]
|Overview
|
|
|
|
|
|
|-
|Coin in a small indentation corridor at the rear end.
|
:(None)
|[https://www.explainxkcd.com/wiki/images/3/35/1608_1090x1102y_Coin_in_a_small_indentation_corridor_at_the_rear_end.png Overview]
|[https://xkcd.com/1608/1090:-1102+s.png (1090, 1102)]
|
|
|
|
|
|It is unknown what part of the Star Destroyer it could explicitly be hidden in. However, a Star Destroyer would have more than enough surface features for such an indent to exist and have a coin inside it.
|-
|Megan wants synesthesia at the rear end at bottom of the hull.
|
:Megan: I want synesthesia so bad I can ''taste'' it.
|[https://www.explainxkcd.com/wiki/images/9/9d/1608_1090x1088y_Megan_want_synesthesia_at_the_rear_end_at_bottom_of_the_hull.png Overview]
|[https://xkcd.com/1608/1090:-1088+s.png (1090, 1088)]
|
|
|
|
|Comic: [[1213: Combination Vision Test]]
|{{w|Synesthesia}} is a neurological phenomenon in which stimulation of one sensory or cognitive pathway leads to automatic, involuntary experiences in a second sensory or cognitive pathway. One typical version is where numbers are perceived as having colors. This was used in the comic referenced. In this comic a wish for something makes Megan almost taste it. If she did indeed have this dysfunction, she might already have what she wished for... This is one of the rare incidences where there are two almost identically Megans in one scene.
|}
</div>

==Technical aspects==
The game was made by [https://chromakode.com Max Goodman] who has previously worked on [[1416: Pixels]]. The source code for the game can be found [https://xkcd.com/1608/tigl.js here].

===Functionality===
By observing page code while playing, the game grabs and displays images based on location, and subsequently clears all non-visible images. The game uses what seems to be a position syntax to retrieve the intended images live and returns an error if such an image does not exist, such as a blank area. This technically means things could be added to the world and updated live. If the player is moving sufficiently fast or if the internet connection is slow, this means that the player can get stuck in a black area that does not load in time.

This also means that the game does not have coded top or bottom limits, so any attempt to find the ''ceiling'' of the game will be futile unless the game is tweaked. The game does however have side limits, and it is not possible to go down further than image with Y coordinate 1073 (and it goes down to 1069 in the full image), so there is a bottom limit in the game. If using a [[#Cheats|cheat mode]] this may be different.

There are a couple of issues in the game. On a slow connection, it's possible to move into an 'open' area before the black image loads and permanently traps you immobile (unless you [[#Cheats|cheat]]). Sometimes, the timing of the game is completely off, which can make Cueball move extremely slowly or quickly, which makes the images jump and makes the graphic look worse. The latter error was actually used to discover something about how you move when pressing the arrows - see under [[#Functionality|Functionality]]. If the focus switches from the game to the page, the Cueball can freeze in midair. The same thing can happen if the window border overlaps the play area.

The keyboard controls are as follows:

*'''Go Left''' - Left arrow key, a or h
*'''Go Right''' - Right arrow key, d or l
*'''Go Up (jump or hover)''' - Up arrow key, w, or k
*'''Go Down (if gravity disabled)''' - Down arrow key, s, or j

This control scheme covers the three commonly used directional key sets: WASD a set of keys commonly used by modern games; HJKL a set of movement keys used by vi and applications which attempt to mimic vi key controls (vim); and the arrow keys, the most generic set of keys which is usually accepted by most applications which take movement as input, these were commonly used in older games.

On devices which have a touch screen and tilt sensor (portable devices like mobile phones and tablets) the controls are as follows:
*'''Go Left''' - Roll the device anticlockwise
*'''Go Right''' - Roll the device clockwise
*'''Go Up (jump or hover)''' - Tap the screen

After inspecting the source code, there appears to be no way to move down on a portable device, this is only relevant if gravity is disabled (see [[#Cheats|Cheats]]).

If you keep down the left/right control, you will keep moving along in that direction as long as no object blocks you.
A jump will only take you a certain height. The jump is initially very quick, then gravity stops you and reverts the direction. When descending, you accelerate quickly but reach a terminal velocity after a few seconds. If you jump repeatedly while keeping a left/right control down, you will jump in that direction. If you only jump once while holding down the direction control, then you will stop moving forward after about 2.8s. From then on, you will just keep falling straight down or stop where you reached if on the ground. This makes quite a difference when you jump into an opening from a high structure. If the background is completely white, you cannot see that you do not continue to move forward and will thus not be aware that you are now falling straight down, instead of going left/right.

It can actually be quite difficult to notice as you will leave any structures that can indicate this issue very quickly. Of course, if you notice that you land much too close to some high structure from where you base jumped, you will begin to understand. For instance, falling off the floating rock, and not moving away from under neath it during that long fall. The timing was discovered because of one of the bugs in the program that sometimes [[#Functionality|makes Cueball move extremely slow]], so one jump takes more than 3s. The solution to keep moving to either side while descending is that, after the jump, you release and repress the left/right control. You will then continue moving in that direction as long as you do not jump again. If you keep holding one of these buttons, you will also keep moving laterally. When you jump up over a long distance or continue to jump hover over the landscape, you will not have this issue, since every jump reactivates the lateral movement.

===Animation===
There have before been several interactive comics and also a few with animations. But these animations have typically been lines of flashing text or changing lights. This comic is the first with a character that is specifically changing position in animation style. Apart from this, there are also flashing text when leaving the play-area and text that appears and disappears as described in [[#Coins|Messages in Play Area]]. This also happens with the text written to begin with explaining how to play the game: ''Use the arrow keys to move'', which disappears upon touching the keys. Below are two images showing two kinds of animation of the hoverboard Cueball. The first image shows the eight standard animation that can easily be seen. They are
*Standing still facing right (starting position)
*Standing still facing left
*Moving left along flat ground (lifting arms)
*Moving right along flat ground (lifting arms)
*Jumping while facing left looking up with hoverboard pointing down
*Jumping while facing right looking up with hoverboard pointing down
*Falling while facing left looking down with hoverboard pointing up
*Falling while facing right looking down with hoverboard pointing up
[[File:1608 Hoverboard Cueball standard animation.png]]

There are several in-between frames of Cueball turning from left to right and even more from right to left. The second image shows eight in between animations (together with four from above). Not all the positions are necessarily caught in this collage here, but there is only a limited amount of them and all last less tahn a split second. They have been sorted so it could look like Cueball has just turned to the right standing still, then jumping while turning right, then turning right while in jump, to finish the turn while falling.
[[File:1608 Hoverboard Cueball turning animation.png]]

===Image coordinates===
As previously noted, the comic bears considerable resemblance to [[1110: Click and Drag]]. The comic is made in much the same way, with 'drawn' images "glued" together to form a large "map", with the illusion of infinite bounds made possible through space saving techniques where blank tiles are not stored and are instead painted white. The boundary between blank squares and 'drawn' squares is made clear as any white space in the normal images has a very slight grey tint. Thus, seams between images and blank spaces can be discerned.

The tiles for the map are stored as simple PNG files in the naming scheme: X:-Y+s.png. An example from the starting tile can be seen here: https://xkcd.com/1608/1000:-1074+s.png, with the coordinate (X, Y) coordinate (1000, 1074).

Each file is 513x513 pixels in size, one pixel is reserved as overlap to ensure seamless joining of images. The image tiles names are listed as coordinates in an X - Y grid with X in the range from 928 to 1108 and Y in the range from 928 to 1112.

Internally in the game, the position of the player is given for instance as (X: 512187, -Y: -549668) for the starting position. Then these numbers are divided by 512 and rounded down. This gives the coordinate of the tile that the hoverboard is currently in.
:(X: 512187, -Y: -549668)/512 => (X, Y) = (1000.37, -[-1073,6]) => (1000, 1074) when the numbers are rounded down.
The bottom left corner of the first tile, would thus be (1000, 1073), and the top left corner (1000, 1074) => (512000, -549888).

The collision map is encoded in the darkness of the black. Using an image manipulation program, one can easily find the secret pathways even in the zoomed-out maps provided below by enhancing the contrast of the dark areas. Here is an example which uses the initial Play Area:

{{cot|Play Area used as example}}
Using the Play Area as an example some of the features mentioned in this section will be explained.
The images used below can be seen together [[1608: Hoverboard/Screen-shots#All of Play Area|here]].
The hoverboard begins in (X, Y) = [https://xkcd.com/1608/1000:-1074+s.png (1000, 1074)].
But even while staying within the Play Area, defined as the area where you will not be told to [https://www.explainxkcd.com/wiki/images/a/ae/Return_to_the_play_area.PNG Return to the Play Area], you can see all or part of twenty images.
You can move one image left and right of the starting point before reaching the walls, and one image up without getting too high. But from there you can see part of the images one step further left, right and up, and from the starting level you can see part of the black images below as well.
This makes it a five times four images rectangle.
This first example shows a full-size image combined from these twenty images that make up the play area starting in the top left corner with image [https://xkcd.com/1608/998:-1076+s.png (998, 1076)] and finishing down the right corner with image [https://xkcd.com/1608/1002:-1073+s.png (1002, 1073)].
Here are only the images themselves, nothing with the game parts, i.e. coins and hoverboard Cueball: [https://www.explainxkcd.com/wiki/images/e/eb/1680_Play_Area_Full_Size_Images_Only.png Play Area Full Size Images Only].

The next example shows both where the tiles are and what you see to begin with, i.e. the starting view when loading the comic to begin with. Still without any in game details.
Here the tiles are lines out with green and the view frame is in red. From this it can be seen that the view is somewhat larger than a single image.
More precisely the view is 1.43 times longer and 1.34 higher than a tile giving an area almost twice as big (1.93 times), but only going about one-third of a tile length in each direction: [https://www.explainxkcd.com/wiki/images/7/7b/1680_Play_Area_Full_Size_Tiles_and_View.png Play Area Full Size Tiles and View].
This third example shows the game version, with coins and hoverboard, but still the hole Play Area and hence also the read viewing square.

This is included to indicate which coins can be seen to begin with and also how the view is centered around Cueball and the hoverboard.
Cueballs center is also the center of the view. His center is defined as the line of his body in the X direction and just above his hands in the Y direction.
The view is twelve times as high and thirty times as wide as the Cueball on hoverboard (and compared to a tile these numbers are 9.4 and 20.8 times).[https://www.explainxkcd.com/wiki/images/8/8b/1680_Play_Area_Full_Size_Coins_Hoverboard_and_View.png Play Area Full Size Coins Hoverboard and View].

The last and fourth example is the same as above, but again with the green tiles.
This to indicate the size of a tile compared to Cueball
It also shows that although there are twelve coins in the starting view, the one at the top left is clearly in the image above, and the three others at the top are grazing the top edge of the image: [https://www.explainxkcd.com/wiki/images/a/a3/1680_Play_Area_Full_Size_Coins_Hoverboard_Tiles_and_View.png Play Area Full Size Coins Hoverboard Tiles and View].
{{cob}}

===Cheats===
[[File:1608_MetroidXK.png|500px|thumb|right]]
A standalone cross-platform [https://github.com/AMDmi3/hoverboard-sdl open-source] remake of this comic is available. It has extra features, such as offline play, arbitrary game window size, persistent games state on exit, save up to ten locations and teleport to them at will, and an explorable world map. It is available to dowload [https://github.com/AMDmi3/hoverboard-sdl/releases here].

There's also a satirical crossover with the classic game {{w|Super Metroid}}, allowing the user to explore the world as Samus in search of powerups and secrets, while encountering danger at every turn. You can find more information [https://web.archive.org/web/20170223172620/http://forums.xkcd.com/viewtopic.php?f=7&t=113083&start=120#p3913102 here] and download it [https://www.xeloh.com/Releases#MetroidXK here].

Aside from the obvious ability to move out of bounds in the game, there are some more obscure hidden features which can't be enabled through normal gameplay:

'''Modes''' are activated by opening the Javascript Console (F12 [Or Command-Alt-I in most browsers under Mac OS X] to open Developer Tools, then Console tab) and writing corresponding commands.<br>
'''Click to expand:'''

*'''Gandalf Mode:''' ''i.am.gandalf = true'' - jumps and runs further. displays a white Gandalf hat that works well in places where the avatar can't be seen.

*'''Speedhack:''' ''explorer.opts.speed= *Value*'' - Speed hacking, with 1 = normal speed

*'''Jump Hack:''' '' explorer.opts.jumpForce= -*Value*'' - Jump hacking, with -10 = normal jump (positive values cause the hoverboard guy to move down when jumping)

*'''Mewtwo mode:''' ''mewtwo = true'' - disables gravity

*'''Noclip mode:''' ''noclip = true'' - player is able to move around the map without collision. Combine with Gandalf and Mewtwo modes for free easy map traversal.

*'''Goggles mode:''' ''ze.goggles()'' - displays a small window showing area around the player in a pixelated manner. The goggles indicate collision boundaries (where the player touches the world) in cyan lines. Black pixels that are passable (such as other characters or text) will be highlighted red (allowing secret passages to be discovered).

*'''Position Tracking:''' ''explorer.pos'' - Returns the player location to the console. Can be used to track position and test to ensure you are still moving. Must be re-entered to compare positioning.

*'''Position Setting:''' ''explorer.pos.x = *Value* or explorer.pos.y = *Value*'' - Can be used to manually set a position within the world. The start is at x: 512106, y: -549612. The left terrain bound is at x: 475210, y: -553711. The right terrain bound is at x: 567281, y: -549712. Mewtwo and Noclip modes are necessary for exploring in this way.

* '''All the above:''' ''explorer.opts'' - Contains all the game's parameters. You can directly mess with ''gravity'', collision (''disableCollision''), jump force (''jumpForce'') and speed (''maxSpeed''), among others. Run ''Object.keys(explorer.opts)'' to list all available parameters you can tweak.

* '''List all coins:''' ''explorer.objects'' - Array containing the position of the 169 coins of the game.

* '''Disable tilt input:''' ''getEventListeners(window)['deviceorientation'][0].remove()'' - on Macs with motion sensor, disables tilt input which causes problems controlling the avatar

* '''Getting All Coins:''' To instantly get all coins, input the code below into the console window. Does not use standard formatting of [i] to avoid conflicts with i.am.gandalf
{{cot|View hacks}}
for (var T = 0; T < explorer.objects.length; T++) {
explorer.objects[T].got = true;
}

To teleport to the next coin every time you press the left or right arrow:

var T = 0;
document.onkeydown = function(event){
if (event.keyCode == 37) { T = T-1 }
else if (event.keyCode == 39) { T = T+1 }
else { return }
T = T % explorer.objects.length;
var coin = explorer.objects[T];
explorer.pos.x = coin.x1; explorer.pos.y = coin.y1;
}

For a quick tour of all the coins:

var delayInMilliseconds = 1000; // 1 second delay between each teleport. feel free to change this.
var index = 0;
explorer.objects.forEach(function(x){
setTimeout(function(){
explorer.pos.x = x.x1;
explorer.pos.y = x.y1;
x.got = true;
explorer.frame(); // forces a redraw
},
(index + 1) * delayInMilliseconds);
index++;
});

To see a list of coin coordinates you have not yet collected:

<pre>
var coinsnotfound = [];
for (var T = 0; T < explorer.objects.length; T++) {
if (explorer.objects[T].got == false) {
coinsnotfound.push([
explorer.objects[T].x1,
explorer.objects[T].y1
])
}
}
console.log(coinsnotfound);
</pre>
To display the distance and direction to the closest coin (with inverted colors once you have all the coins):

<pre>
function distance(x1, y1, x2, y2) {
var dx = x2 - x1;
var dy = y2 - y1;
return Math.sqrt(dx * dx + dy * dy);
}

function angle(x1, y1, x2, y2) {
var dx = x2 - x1;
var dy = y2 - y1;
return Math.atan2(dy, dx) * 180 / Math.PI;
}

function renderRadar() {
var mindist = 10000000000;
var closest = {
x1:512278.0, y1:-549613.0
};
var linecolor = "blue";
for (var S = 0; S < explorer.objects.length; S++) {
var I = explorer.objects[S];
if (!I.got) {
var dist = distance(explorer.pos.x, explorer.pos.y, I.x1, I.y1);
if (dist < mindist) {
mindist = dist;
closest = I;
}
}
}
if (mindist == 10000000000) {
mindist = distance(explorer.pos.x, explorer.pos.y, closest.x1, closest.y1);
if (document.getElementById("radar").style.backgroundColor != "blue") {
document.getElementById("radar").style.backgroundColor = "blue";
}
linecolor = "deepskyblue";
} else {
if (document.getElementById("radar").style.backgroundColor != "deepskyblue") {
document.getElementById("radar").style.backgroundColor = "deepskyblue";
}
}
var ang = angle(explorer.pos.x, explorer.pos.y, closest.x1, closest.y1);
var indicator = "";
if (ang > 112.5 || ang < -112.5) {
indicator += "left";
}
if (ang < 67.5 && ang > -67.5) {
indicator += "right";
}
if (ang > -157.5 && ang < -22.5) {
indicator += " up";
}
if (ang > 22.5 && ang < 157.5) {
indicator += " down";
}
document.getElementById("radar").innerHTML = "Distance: " + mindist.toFixed(1).toString() + "<br/>";
document.getElementById("radar").innerHTML += indicator + " (" + (((ang+270+180)%360+180)%360-180).toFixed(1).toString() + "°)";
document.getElementById("radar").innerHTML += "<div id='circle' style='border: 1px solid black; border-radius: 50px; width: 100px; height: 100px; position:absolute; top:50px; left:25px'/>";
document.getElementById("radar").innerHTML += "<div id='line' style='width: 50px; height: 1px; background-color: " + linecolor + "; position:absolute; top:100px; left:75px; transform:rotate(" + ang + "deg); transform-origin:0% 0%'/>";
}

var d = document.createElement("div");
d.id = "radar";
d.style.position = "fixed";
d.style.left = "0px";
d.style.top = "0px";
d.style.width = "150px";
d.style.height = "160px";
d.style.border = "1px solid blue";
d.style.zIndex = "2";
d.style.backgroundColor = "deepskyblue";
d.style.color = "#8f8";
document.body.appendChild(d);

setInterval(renderRadar, 50);
</pre>

To see how many coins you've collected:

var coinsfound = 0;
for (var T = 0; T < explorer.objects.length; T++) {
if (explorer.objects[T].got == true) {coinsfound++}
}

console.log(coinsfound);

To display your current coordinates:

function renderRadar2() {
document.getElementById("radar2").innerHTML = "x: " + explorer.pos.x.toFixed(1).toString() + "<br>y: " + explorer.pos.y.toFixed(1).toString()
}

var d = document.createElement("div")
d.id = "radar2"
d.style.position = "fixed"
d.style.left = "150px"
d.style.top = "0px"
d.style.width = "150px"
d.style.height = "35px"
d.style.border = "1px solid red"
d.style.zIndex = "2"
d.style.backgroundColor = "green"
d.style.color = "#8f8"
document.body.appendChild(d)

setInterval(renderRadar2, 1000)
{{cob}}

{{comic discussion}}

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3135: Sea Level

2025-09-03T04:53:17Z

2.50.0.22: /* Explanation */ It seems complete.

{{comic
| number = 3135
| date = August 29, 2025
| title = Sea Level
| image = sea_level_2x.png
| imagesize = 321x453px
| noexpand = true
| titletext = They're up there with coral islands, lightning, and caterpillars turning into butterflies.
}}

==Explanation==

The existence of the {{w|Moon}}, and its various impacts (including the movement of the tides, and reflected light it provides) are such stable and constant realities of life on Earth that people tend to take them for granted. This strip points out that, if someone were unaware of the Moon and its impacts, they would seem amazing and even implausible.

[[Cueball]] is wondering aloud what happened to an island, possibly a {{w|sandbar}} that was visible earlier, but is not anymore. [[Megan]] explains to him that the {{w|tide}} has come in and submerged the island. She then explains that the Moon, being quite large, relative to the Earth, and orbiting relatively near, creates gravitational effects that change local sea levels over the course of each day.

The fact that the net gravitational pull at Earth's surface change throughout the day, enough to make the local levels of the ocean visibly rise and fall, would be shocking if we weren't accustomed to it. A visitor to Earth from another planet would have a good chance of being completely blindsided by such an effect. Earth's moon has, by far, the highest mass in relation to its planet in the solar system (Pluto being considered too small to be a true planet), and is likely the only such satellite to have such major impacts on its planet's surface. Someone coming from a planet whose moons have little noticeable effect would likely be surprised at how casual humans are about the situation.

Cueball takes on the position of someone apparently unaware of the Moon's existence, and being shocked by the realities of it. Having a planetary body large enough and close enough to both be clearly visible to the naked eye, and to have obvious (and pragmatically important) impacts on the planet's oceans is really quite amazing. If humanity weren't so used to it, it would seem like an outlandish concept, perhaps imagined for a work of science fiction.

The title text mentions other elements of life on Earth, saying they also seem as outlandish as tides. {{w|Coral islands}} are bodies of land built entirely from the skeletons and secretions of dead animals. {{w|Lightning}} is an electrical discharge in the atmosphere (sometimes striking the Earth) which creates a brief but very intense current, heat, and ionization of the atmosphere. The {{w|metamorphosis}} of {{w|butterflies}} from caterpillars involves the latter building a chrysalis around themselves, then effectively dissolving into biological soup, which then reforms into a very different form of animal. As with tides, each of these occurrences would seem amazing, possibly unbelievable, to someone who hadn't encountered them before, but are so common in our world that we generally pay them little attention.

This strip is very similar to [[2809: Moon]], as both center around Cueball being shocked by the reality of Earth's Moon. It follows a long-running theme of expressing general amazement about the world in which we live, where things that feel like they should be impossible are so commonplace that we often ignore them. Examples include [[332: Gyroscopes]], [[2115: Plutonium]], [[2540: TTSLTSWBD]], and [[3087: Pascal's Law]].

==Transcript==

:[Single frame, with Megan and Cueball standing at a coastline with grass, with water and waves visible. They are looking at the ocean and are standing together.]

:Cueball: Hey, where's that big island we were looking at this morning?
:Megan: Oh, it's underwater. The ocean's depth here goes up and down by like ten feet every day.
:Cueball: What?
:Megan: It's because the planet has a big moon orbiting near the surface. It causes weird gravity effects.
:Cueball: '''''What???'''''

:[Caption below the frame:]
:People here are used to them, but tides are one of the weirdest and most sci-fi elements of life on Earth.

{{comic discussion}}<noinclude>
[[Category: Comics featuring Cueball]]
[[Category: Comics featuring Megan]]
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