explain xkcd - User contributions [en]

2973: Ferris Wheels

2024-08-21T10:40:04Z

172.70.162.18: Undo revision 349086 by I HAVE NO NAME (talk) bad spacing. Not really a necessary summary, unless fould be more pithy.

{{comic
| number = 2973
| date = August 16, 2024
| title = Ferris Wheels
| image = ferris_wheels_2x.png
| imagesize = 624x280px
| noexpand = true
| titletext = They left the belt drive in place but switched which wheel was powered, so people could choose between a regular ride, a long ride, and a REALLY long ride.
}}

==Explanation==
{{incomplete|Created by a BELT POWERED BY A DIFFERENT WIKI PAGE IN ORDER TO KEEP THIS ONE GOING - Please change this comment when editing this page. Do NOT delete this tag too soon.}}

This comic depicts an attempted connection of three {{w|Ferris wheel}}s using a {{w|Belt (mechanical)|mechanical belt drive}}, a system used to transfer motion between rotating shafts such as what these become. By connecting the belt to different circumferences, the relative motion is geared up or down. If the belt passes around the circumference of one wheel and is connected around the hub of another, the latter will rotate significantly faster. In this case, the second wheel's circumference is in turn connected to a third wheel's hub, resulting in even greater rotational velocity. However, this setup is mechanically unsound and possibly dangerous,{{Citation needed}} as Ferris wheels are not intended to be connected in this way. As shown, the first wheel on the left is running at a normal speed, while the other two are rotating increasingly fast, leading to a {{w|G-force#Human tolerance|potentially hazardous}} situation where passengers are flung around to various extents.

Ferris wheels can vary widely in size and speed of rotation, but for illustration, let us assume a diameter of about 200 feet (60 m) and a pretty sedate speed of around 10 minutes per full rotation. The apparent ratio between the connected wheels in the comic is approximately 12.5:1, meaning the motion is significantly sped up as it’s transferred. The second Ferris wheel, driven by the first, could spin at around 1.3 rpm, with passengers moving at 9 mph (14 km/h), giving a more exciting ride, but not inherently dangerous. However, when this motion is further transferred to the third Ferris wheel, it could spin at a possible 16 rpm, with passengers traveling at over 110 mph (180 km/h), subjecting them to around 8 Gs of force. Randall has previously explored the limits of the human body's tolerance for acceleration in ''{{what if|116|What If # 116 "No Rules NASCAR"}}''. Additionally, if a Ferris wheel span at 110 mph (180 km/h) it would itself be just as dangerous even without any riders. However, since the motor for the first wheel would have been selected merely to drive one wheel, it's unlikely it would be able to power the other two wheels moving at these increased speeds — if it moved at all, all three would probably start to move quite slowly, with potential damage to the motor before any friction limitations and other mechanical failures kicked in.

In the caption [[Randall]] says that he was fired for this ill-advised modification, highlighting the impracticality and dangers of the idea. A cruise line also fired the respective narrator due to an unsound engineering proposal earlier in [[2935: Ocean Loop]].

The title text imagines the consequences of leaving the belt drive system in place but switching which wheel is powered. If the most extreme wheel (the third one on the right) is powered, the gearing would be reversed, making for a possibly pleasant and normal ride on the right-hand wheel, but rendering the experiences of the riders on the other two wheels far too slow for an enjoyable carnival ride. One revolution of the center wheel might take two hours and five minutes, while the left wheel would take around a little more than a day per revolution.    This exaggerates the impracticality and unintended effects of using a belt drive system to link up Ferris wheels, illustrating how such an idea would lead to absurdly varied ride experiences.

==Transcript==
:[Three Ferris wheels are shown side by side, with some people stood on the ground for scale. Each of the first two wheels has a belt connecting its circumference to the axle of the wheel to its right. "Agitrons" indicate that the middle wheel is turning notably faster than the left wheel, with the gondolas seen to be rocking significantly at all points round the wheel. The spokes of the right wheel are completely replaced by "motion lines", indicating that the the right wheel is turning the fastest of all. All its gondolas are hanging outwards against centripetal force, interspersed with their own motion lines.]

:[Caption below the panel:]
:The county fair fired me for adding a belt drive to the Ferris wheels.

==Trivia==
The first (slowest) wheel can be seen to notably lack a 'spoke' at approximately the five o'clock position, supporting the point where its respective passenger seating is hung. Clearly, however, the wheel design is strong enough to withstand much greater forces in the other two versions of the wheel (which appears to be complete in the case of the second, though the thin spokes are only seen as blurs in the third wheel) suggesting that there may not be significant danger from this omission. It does not bode well, however, for general {{w|Occupational Safety and Health Administration|OSHA compliance}} in how they erect/maintain the rides, even before the belt-drive idea added its own issues.

{{comic discussion}}

[[Category:Physics]]
[[Category:Engineering]]

2945: Broken Model

2024-08-18T10:55:47Z

172.70.162.18: /* Explanation */

{{comic
| number = 2945
| date = June 12, 2024
| title = Broken Model
| image = broken_model_2x.png
| imagesize = 278x448px
| noexpand = true
| titletext = In addition to eating foxes, rabbits can eat grass. The grass also eats foxes. Our equations chart the contours of Fox Hell.
}}

==Explanation==
This comic shows [[Miss Lenhart]] explaining a mathematical model of a predator-prey relationship. The model has the terms swapped, showing that 400 rabbits are preying on 20 foxes. The teacher realizes this mistake and says "If this were an ecology class, I would have to fix that." Instead of fixing the model, though, she instead begins to calculate using this flawed model, and notes that this model implies that rabbits are carnivores.

The equations start with Nrabbits(0)=400 and Nfoxes(0)=20, the number of rabbits and foxes at time 0, followed by what looks like the {{w|Lotka–Volterra equations}}, a pair of first-order nonlinear differential equations, frequently used to describe the dynamics of biological systems in which two species interact. One of the pair of equations describes the number of prey over time, the other the number of predators over time, differing only by a negative sign (and coefficients). It is easy to mix up which equation describes which species, leading to the inverted predator-prey relation described.

If this was indeed the case the rabbits would likely soon render the foxes extinct. They might not, if each rabbit requires to eat a very small amount of fox, and they hunt in packs, so that a single fox feeds many rabbits, but it would need to be a very small amount, very infrequently. The reason this doesn't happen in reality for rabbits is that they outnumber the foxes (20 foxes vs 400 rabbits) and thus enough of them can survive being preyed upon to maintain the species. Often the predator takes the old and sick animals first, thus keeping the rest of the animals more healthy. But following the math of the wrong formula would soon lead to zero foxes. As per the title text, the rabbits could survive without the foxes to prey on, since they still eat grass (assuming that there is not some specific nutrition requirement that is only fulfilled by the foxes). However, this reality is terrifying for the foxes, because they are rendered as prey.

The title text extends the joke by looking at an even more flawed model that incorporates grass. In the real world, rabbits eat grass and foxes do not directly interact with grass. In this model, the fox-eating rabbits also continue to eat grass and foxes do interact with grass. Even more unfortunately for them, this is in the form of the grass eating foxes, creating a "Fox Hell".

As a matter of fact, grass pulls nutrients from air and soil and synthesizes its energy through [https://soandmo.com/blogs/blog/where-does-the-grass-plant-get-its-energy-from photosynthesis], and may use foxes that have already died from other causes as fertilizer. Foxes do occasionally [https://www.wildlifeonline.me.uk/animals/article/red-fox-diet-what-foxes-eat eat grass], although not as food, but for other health reasons.

==Transcript==
:[Miss Lenhart is holding a pointer to a whiteboard, indicating the last part of the last line of text.]
:Miss Lenhart: Hmm, looks like I accidentally swapped the predation terms.
:Miss Lenhart: If this were an ecology class, I would have to fix that.
:Miss Lenhart: Unfortunately for those 20 poor foxes, this is calculus, and the math says these 400 rabbits are hungry for meat.

:[There are three lines on the white board, where the '...' ellipses in the bottom line are illegible:]
:Nrabbits(0) = 400
:Nfoxes(0) = 20
:dN0/dt = ... dN.../... = ...

:[Caption below the panel:]
:Every broken mathematical model is just a glimpse into a terrifying alternate universe.

{{comic discussion}}

[[Category:Comics featuring Miss Lenhart]]
[[Category:Comics with lowercase text]]
[[Category:Math]]
[[Category:Biology]]
[[Category:Animals]]

Talk:1022: So It Has Come To This

2024-08-16T12:20:15Z

172.70.162.18:

"So, how do we split the bill?" "So, it has come to this."

"Hey, can you take out the trash?" "So, it has come to this."

"Will you marry me?" "So, it has come to this." '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 13:17, 18 February 2013 (UTC)

This expression is featured in 225: Open Source
[[Special:Contributions/85.241.160.83|85.241.160.83]] 04:17, 26 March 2013 (UTC)

:Added to the trivia section, but I'm unclear about the copyright policy and if attribution to discussion comments is the norm. Could someone please clear this up? Thanks [[User:Z|Z]] ([[User talk:Z|talk]]) 02:41, 11 March 2014 (UTC)
::I think the user should see the link, so I did a small change. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 20:37, 12 March 2014 (UTC)

"So, it has come to this." "So, it has come to this." Yeah, it also works like this. [[Special:Contributions/46.122.128.93|46.122.128.93]] 00:01, 10 October 2013 (UTC)

another universal, drama-creating answer: But will it be enough? [[Special:Contributions/108.162.230.155|108.162.230.155]] 16:52, 27 January 2015 (UTC)

I changed what I deemed to be a very wrong explanation for the title text, and I think it was caused because the person did not see the single quotes in the center, closing the dialogue for Megan's reaction, and opening it up for Cueball. On the other hand, it seemed otherwise poorly put together. Feel free to tell me if someone wants to change how I did it, but I am quite confident that the other person had the wrong approach. [[User:Znayx|Znayx]] ([[User talk:Znayx|talk]]) 19:28, 20 March 2016 (UTC)

"The phrase, "You. Me. This moment." is used when brevity is key, and no information should be leaked to anybody listening. Those conversing then continue the important discussion elsewhere, allowing them to speak more openly."

What on earth? I have never heard of this before. This cannot be a thing. [[User:ISaveXKCDpapers|ISaveXKCDpapers]] ([[User talk:ISaveXKCDpapers|talk]]) 18:15, 21 October 2022 (UTC)
:Agree - and removed. [[User:Elektrizikekswerk|Elektrizikekswerk]] ([[User talk:Elektrizikekswerk|talk]]) 13:18, 27 May 2024 (UTC)

Great {{unsigned|Stressparahh12|09:21, 16 August 2024}}

Talk:2972: Helium Synthesis

2024-08-15T10:58:03Z

172.70.162.18:

I had imagined that, rather than destroying the entire universe, they just somehow made a big bang INSIDE THE MACHINE that they could somehow obtain helium from safely. [[Special:Contributions/141.101.109.166|141.101.109.166]] 07:34, 15 August 2024 (UTC)
:I get the impression that, like an abbreviated version of the cyclical {{w|Big Bounce}} hypothesis, they did indeed recreate the conditions for a (sufficiently similar) universe.
:The question as to whether they obliterated their current one (in a short-sighted and {{w|Instrumental convergence#Paperclip maximizer|paperclip-maximiser}}-like effort that disregards the safety of their current existence) or create a new instance of universe-within-the-universe (like [[2688: Bubble Universes]], presumably with some way of [[248: Hypotheticals|bringing the stuff out]]) is left open.
:If the latter, it could be that the ''reason'' why each universe's helium-users are chronically short of helium is that their universe ''has'' been used as a source for the next-universe-out's helium by the equivalent outwards recursion of the very same people. (The former would imply a kind of {{w|The Last Question}} situation, only not with the same timing.) [[Special:Contributions/162.158.74.118|162.158.74.118]] 08:25, 15 August 2024 (UTC)
::I'm going to go out on a limb and suggest that you probably couldn't create a big bang in the lab capable of replaying the events of the current universe exactly without obliterating at least, as the explanation says, all the closest galaxies. If new inflation pushes the existing universe apart, it's still smeared quite thinly outside the new expanding edge.
::But I really like the idea, it's kind of like Rick's car battery in ''Rick and Morty'', one of my favorite episodes. [[Special:Contributions/172.70.210.4|172.70.210.4]] 08:34, 15 August 2024 (UTC)
:::What if inflation doesn't disturb the matter and space around it, it just shrinks the apparent size of the matter inside it to create the expanded space relative to observers inside, by curving the interior spacetime and distorting the gravitational field to block it from its surroundings? [[Special:Contributions/172.70.206.45|172.70.206.45]] 10:04, 15 August 2024 (UTC)

Could this comic maybe be a reference to a certain popular space video game? Sadly, in what I call a reverse spoiler, I cannot tell you which game I mean without massively spoiling that game. I hope some people know which one I mean and can reply basic on that guess. [[User:Fabian42|Fabian42]] ([[User talk:Fabian42|talk]]) 09:30, 15 August 2024 (UTC)
:If it's [https://www.mobiusdigitalgames.com/outer-wilds.html Outer Wilds], there's nothing here that's a gameplay spoiler, is there? Just for a pretty small part of the story, right? [[Special:Contributions/162.158.187.55|162.158.187.55]] 10:08, 15 August 2024 (UTC)

What if this is CompanyName.website

[[Special:Contributions/172.70.162.18|172.70.162.18]] 10:58, 15 August 2024 (UTC)

Talk:2968: University Age

2024-08-09T18:50:33Z

172.70.162.18:

[[1477]] anyone? [[Special:Contributions/162.158.41.131|162.158.41.131]] 03:29, 6 August 2024 (UTC)
:Not relevant in my opinion. In [[1477: Star Wars]] Cueball is surprised by how fast time seems to flow past him. Not surprised that everything ages at the same rate as the Cueball in this comic. There are more than 40 comics relating to [[:Category:Time|time]] on explain xkcd... [[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 06:50, 6 August 2024 (UTC)

::Reminds me of [[209]]... the kayak (and the university) travel through time just like everything else. [[User:VeraqueVeritas|VeraqueVeritas]] ([[User talk:VeraqueVeritas|talk]]) 18:13, 9 August 2024 (UTC)

Was there a USA political debate this week that I didn't hear about? About. Hear of it's existence. I Assuredly didn't hear it. [[Special:Contributions/172.70.175.121|172.70.175.121]] 06:27, 6 August 2024 (UTC)

On a related note, today I set a new personal best for time spent continuously being alive. I'm still well behind the world records, but I have beaten pretty much all of the current collegeate athletes. [[User:RegularSizedGuy|RegularSizedGuy]] ([[User talk:RegularSizedGuy|talk]]) 07:08, 6 August 2024 (UTC)
:Happy birthday :) [[Special:Contributions/172.70.86.16|172.70.86.16]] 12:59, 6 August 2024 (UTC)

"'''Unfortunately, I have terrible news'''" kind of feels to me like — almost — there is a pop culture reference here that I am missing (I'd say I feel 33% of the way towards that feeling; certainly somewhere less likely than even). It just seems like a little too strong of a statement to be what President Cueball would say in the moment. That said, I can't find any support for such a half-baked theory. Although there is an "I have terrible news" (without "Unfortunately") from [https://www.imdb.com/title/tt2572734/characters/nm0278979 The Office, Season 9, "Vandalism"] ([https://www.youtube.com/watch?v=Eo8RzH-6Tfw&t=614s video]), but it doesn't strike me as particularly significant. 
¶ Apart from that, I sort of expected more emphasis on obscure schemes, like (a) increasing the average altitude of the rival university to increase its velocity for the tiny relativistic effect, e.g. by funding construction of an observatory for its astronomy department; (b) attempting to measure the founding dates more precisely, e.g. what if it were only 1-year-183-days older; (c) merger with the rival, ala the proposed MIT/Harvard mergers of the early 20th century; &c. [[User:JohnHawkinson|JohnHawkinson]] ([[User talk:JohnHawkinson|talk]]) 09:51, 6 August 2024 (UTC)

: I thought the terrible new was that, after sending the rival university on a round trip at relativistic speed, due to an unfortuneate miscalculation, the rival university would collide with Earth while still going too fast, causing the destruction of the planet. --[[User:Itub|Itub]] ([[User talk:Itub|talk]]) 11:51, 6 August 2024 (UTC)

: I think it's more a commentary on the futility of university administration plans and goals, given that actual success for a prestigious university involves mostly decisions entirely out of administration hands. [[Special:Contributions/162.158.90.109|162.158.90.109]] 20:55, 6 August 2024 (UTC)
:: What do you think the universities alluded to were? I'm guessing MIT in 1861 and UMass (originally Amherst) in 1863. [[Special:Contributions/162.158.186.20|162.158.186.20]] 21:39, 6 August 2024 (UTC)
:::From the deletions at [https://www.explainxkcd.com/wiki/index.php?title=2968:_University_Age&diff=prev&oldid=348220], "The particular years referenced in the comic (218 years before 2024 would require a university founded in 1806) do not appear to match with any institution of higher learning in the United States. However, there is a very close near-twin that this might refer to - Miami University was founded in 1809, making it 215 years old, and Ohio University was founded in 1804, making it 220 years old."
:::Of course, those are in different states. [[Special:Contributions/108.162.245.100|108.162.245.100]] 01:15, 7 August 2024 (UTC)
:::: Actually, those two universities are in the same state! Both [https://en.wikipedia.org/wiki/Miami_University Miami University] and [https://en.wikipedia.org/wiki/Ohio_University Ohio University] are in the state of Ohio - in fact, Miami University is in the confusingly named city of Oxford, Ohio. [[User:ChunyangD|ChunyangD]] ([[User talk:ChunyangD|talk]]) 22:16, 8 August 2024 (UTC)

:Wouldn't it be more sensible (or less un-sensible...) to dig down your own one, instead of artificially elevating the other one? --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 07:13, 7 August 2024 (UTC)

The way I read the "overtaking our rival by 3" part was that part of the "intensive program" was the sabotage of the other university, effectively ending its aging. This would then be the terrible news to share. [[Special:Contributions/172.71.166.219|172.71.166.219]] 14:02, 6 August 2024 (UTC)
:But that wouldn't be "unfortunate" for Cueball. It would be a win. And there would be no point in the redoubled efforts announced in the title text if they had already successfully destroyed their rival - what would they be doing for the next 10 years if the goal was already achieved? No, the terrible news is the failure to overtake the age of the other university.
[[User:Yorkshire Pudding|Yorkshire Pudding]] ([[User talk:Yorkshire Pudding|talk]]) 09:55, 8 August 2024 (UTC)

I have good news for Cueball: when he took over, their rival was 0.94% older. Now it's only 0.92% older. After the 10-year plan finishes, the gap will have closed to 0.88%! The gap is closing slower than he hoped, but with dedicated work, he'll get there. {{unsigned ip|172.70.80.48|16:39, 7 August 2024}}

Talk:986: Drinking Fountains

2024-07-30T18:58:57Z

172.70.162.18:

Build a toilet next to the fountain so you can do both at once! '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 06:52, 2 February 2013 (UTC)

I recall when this first posted it randomly had the word water to the left of the door. only evidence of this seems to be on insult sites. [http://xkcd-sucks.blogspot.com/2011/12/comic-986-water-you-stupid.html]--[[User:Calvsie|Calvsie]] ([[User talk:Calvsie|talk]]) 22:56, 10 December 2013 (UTC)
:Apparently he's never stayed up all night and drank 18 beers...[[Special:Contributions/162.158.60.23|162.158.60.23]] 23:54, 5 June 2016 (UTC)
I don't think you can call it 'constant' peeing, as most likely you'll quickly die to water poisoning (yup, too much water can kill you, and I don't mean drowning) [[Special:Contributions/162.158.202.82|162.158.202.82]] 06:04, 24 October 2017 (UTC)

The original with the word water on it is archived: [https://web.archive.org/web/20150326222101/https://xkcd-sucks.blogspot.com/2011/12/comic-986-water-you-stupid.html] [[User:MarkSill|MarkSill]] ([[User talk:MarkSill|talk]]) 13:33, 27 May 2018 (UTC)

It seems to me that he would actually want to drink quickly and eliminate slowly. Does this seem true to anyone else? [[User:Birdsinthewindow|Birdsinthewindow]] ([[User talk:Birdsinthewindow|talk]]) 01:20, 23 May 2020 (UTC)

The least funny [citation needed] ever. What infinite loop is is not an outright obvious fact that every person alive would know. [[Special:Contributions/162.158.90.83|162.158.90.83]] 14:37, 5 October 2021 (UTC)

Ureters release urine in spurts into the bladder, so it isn't possible to pee continuously. {{unsigned ip|172.70.179.92|16:06, 30 July 2024}}
:"...isn't possible..."? How about if... Well... You know how (highland) bagpipes are played? That. I'm sure that with practice (or at least some form of motivation) one could do the same here. Not that one should, probably, but... [[Special:Contributions/172.70.162.18|172.70.162.18]] 18:58, 30 July 2024 (UTC)

2965: Chili Tornado Quake

2024-07-30T08:21:28Z

172.70.162.18:

{{comic
| number = 2965
| date = July 29, 2024
| title = Chili Tornado Quake
| image = chili_tornado_quake_2x.png
| imagesize = 302x252px
| noexpand = true
| titletext = Buildings constructed from softer materials were damaged by chili pepper impacts to the storm's high Richter-Fujita-Scoville-Mohs hardness rating.
}}

==Explanation==
{{incomplete|Created by a SCALED GHOST PEPPER - Please change this comment when editing this page. Do NOT delete this tag too soon.}}

As with the recent [[2950: Situation]], and occasional other comics, Randall has contrived a incident that combines multiple scenarios into an improbable whole. In this case, the purpose is to give a value to the scale of the disaster based (in some undefined way) upon the combination of the various scales that might be used to measure the individual elements.

The {{w|Fujita scale}} is a scale for rating the intensity of tornados and ranges from 0-5. The {{w|Richter scale}} is a historic (but still well known) scale for rating the intensity of earthquakes and (usually) ranges from 1 to 10. The {{w|Scoville scale}} is a scale for the spiciness of chili peppers and can go from 0 (not at all spicy) all the way up into the millions. The {{w|Mohs scale}} ([[title text]]) is a scale for mineral hardness ranging from 1-10, with lower numbers being softer and higher numbers being harder.

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}
:[Cueball, a news reporter, next to headline reading "Breaking News", over an image of a tornado striking a building, and two chilis flying through the air, with pieces of the building flying off, along with cracks in the ground from an earthquake]
:Cueball: A tornado that struck a chili pepper processing plant during an earthquake was rated 55,000 on the Richter-Fujita-Scoville scale.

==Trivia==
[[1531: The BDLPSWDKS Effect]] also dealt with a hybrid multi-disciplinary amalgum of measurements.

{{comic discussion}}
[[Category:Comics_featuring_Cueball]]
[[Category: Food]]
[[Category: Tornadoes]]
[[Category: Earthquakes]]

2964: Olympic Sports

2024-07-28T21:30:08Z

172.70.162.18: /* Explanation */ Looks like he's just doing a very basic amount of semi-supine twitching.

{{comic
| number = 2964
| date = July 26, 2024
| title = Olympic Sports
| image = olympic_sports_2x.png
| imagesize = 553x328px
| noexpand = true
| titletext = Thankfully for everyone involved, the Winter Olympics officials spotted me and managed to stop me before I got to the ski jump.
}}

==Explanation==
{{incomplete|Created by A VERY CONCERNED OLYMPIC OFFICIAL - Provide an explanation of each sport for the convenience of those unfamiliar with some or all listed sports. Do NOT delete this tag too soon.}}

This comic was officially published on the day of the opening ceremony of the {{w|2024 Summer Olympics|2024 Paris (Summer) Olympics}}, though it actually appeared early the following day.

In this comic, [[Randall]], who has no athletic training, imagines himself participating in various Olympic events, with his degrees of failure measured in terms of their humor potential.

{| class="wikitable"
|+ Olympic sports ranked by how funny it would be if a regular person competed
! How funny !! Sport !! Reason !! Depiction
|-
|rowspan=5| Not that funny || {{w|Rowing}} - One or more people row a boat to a destination.|| The person would simply struggle to row effectively. ||
|-
| {{w|Fencing}} - Two contestants attempt to land hits on each other with a long fencing weapon.|| They might fail to land any hits, but it wouldn't be overly humorous. ||
|-
| {{w|Weightlifting}} || They might just fail to lift the weights. ||
|-
| {{w|Golf}} - Contestants attempt to hit, with golf clubs, a golf ball into one or more holes in as small a number of hits as possible.|| They would likely miss the ball or hit poorly. || The illustration depicts Randall missing the hole at very close range.
|-
| {{w|Archery}} - Using a bow and arrow, contestants attempt to hit a target with as much accuracy as possible.|| Arrows might miss the target, but it's not particularly amusing. || Randall misses all his shots on the target.
|-
|rowspan=5| Pretty funny || {{w|Swimming}} - Contestants swim to a destination or complete laps as fast as possible.|| They might struggle to stay afloat or swim awkwardly. ||
|-
| {{w|Long jump}} - Contestants, with a running start, attempt to jump as far as possible.|| They would likely make a very short jump. ||
|-
| {{w|Pole vault}} - Using a bendable pole, contestants attempt to propel (vault) themselves over a bar.|| They would miss the plant and end up dropping the pole and running under the bar. ||
|-
| {{w|Diving}} - Contestants attempt to fulfill multiple criteria while diving into water.|| Awkward or painful-looking dives could ensue. ||
|-
| {{w|Hurdles}} - Contestants run on a track with hurdles positioned at various places.|| They might trip and fall over the hurdles. || Randall repeatedly and painfully runs into the hurdles, unable to jump over any of them. He appears to be holding a hand on his head, possibly covering his eyes or due to having hurt his head.
|-
|rowspan=5| Incredibly funny || {{w|Figure skating}} || They might slip and fall continuously on the ice. ||
|-
| {{w|Horizontal bar}} - A horizontal bar is used to perform gymnastics.|| They might fail to perform any flips or fall off the bar. ||
|-
| {{w|Equestrian sports}} - Various activities involving the use of horses.|| They might struggle to control the horse or fall off. || Randall is completely unable to control his horse. He is in the process of falling off and is flailing his arms.
|-
| {{w|Freestyle BMX}} - Contestants ride BMX bikes and perform various tricks, and are then judged by trick quality.|| They might crash or fail to perform tricks. ||
|-
| {{w|Pommel horse}} - Using a gymnastic device somewhat similar to a horse, gymnasts perform various tricks.|| They might awkwardly flop around or fall off. || Randall is attempting to perform a routine but clearly is not very graceful, balanced or typically dynamic, as made apparent by the rather basic agitrons surrounding him.
|}

The title text may be a reference to ski jumper {{w|Vinko Bogataj}}, whose spectacular crash at a (non-Olympic) ski flying event in 1970 in Oberstdorf, (then) West Germany became emblematic of the expression "the agony of defeat" in the opening narration of the popular US television program "{{w|Wide World of Sports (American TV program)|Wide World of Sports}}". Alternatively the reference may be to {{w|Eddie the Eagle}}, whose poor performance at the {{w|1988 Winter Olympics}} led to the introduction of the top 50 or 30% qualifying rule.

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}

:[Header above three panels:]
:Olympic Sports ranked by how funny it would be if I, a regular person without athletic training, snuck onto the team to compete:
:[Three panels are shown with a header, a bullet list with five listed sports in each, and one or two depictions of sports.]

:Not that funny
:Rowing
:Fencing
:Weightlifting
:Golf
:Archery
:[Cueball putts a ball with a golf club and misses the hole.]
:[Cueball is aiming with a bow. Three arrows are on the ground at various distances from the target.]

:Pretty funny
:Swimming
:Long jump
:Pole vault
:Diving
:Hurdles
:[Cueball runs stomach-first into a hurdle, while holding a hand on his head. Another hurdle behind him has fallen down.]
:Cueball: [Bonk] Ow! [Bonk] Ow!

:Incredibly funny
:Figure skating
:Horizontal bar
:Equestrian
:BMX freestyle
:Pommel horse
:[Cueball tries to balance himself on a pommel horse. His both hands and one leg are down, while the other leg is slightly raised.]
:Cueball: Look! Look!
:[A horse rider wearing a black helmet is struggling to maintain balance on the running horse, with both hands and one leg raised.]
:Horse rider with black helmet: AAAAA!

{{comic discussion}}

[[Category:Comics featuring Cueball]]
[[Category:Sport]]

Talk:2963: House Inputs and Outputs

2024-07-26T11:27:22Z

172.70.162.18:

what in the heckoslovakia is panel 16 [[Special:Contributions/172.71.147.216|172.71.147.216]] 02:18, 25 July 2024 (UTC)
:I can only assume that it's from the perspective of someone inside the well looking upward toward the outside world. [[User:OmniDoom|OmniDoom]] ([[User talk:OmniDoom|talk]]) 02:23, 25 July 2024 (UTC)
:: It's a reference to The Ring (リング) films and books. This distorted view from the inside of the well is an iconic part of the franchise's imagery, and, in minimal-spoilers form, its appearance suggests that someone has watched the cursed tape and should now expect a visitor to arrive from that well in seven days. (Definitely a red intersection) [[User:Scorpion451|Scorpion451]] ([[User talk:Scorpion451|talk]]) 02:52, 25 July 2024 (UTC)
::: more at https://en.m.wikipedia.org/wiki/The_Ring_(franchise) aside holy gosh! I was expecting to link to IMDB for like two or three movies. /aside the trailer at https://m.imdb.com/title/tt0298130/ starts with an a 1950-1990 ish USA telephone ring. It's been a while since I saw it and the ring referring to a telephone not magic ring is starting to sound familiar. SDT
:::: which is too much detail. "Panel 16 refers to a horror film" is not enough info SDT [[Special:Contributions/172.70.134.102|172.70.134.102]] 04:06, 25 July 2024 (UTC)
::: [[396|You watched the tape!?]] --[[Special:Contributions/162.158.94.27|162.158.94.27]] 07:07, 25 July 2024 (UTC)
::: Having never seen* The Ring, I now think I understand a lot more about the film. Here was I, always thinking it was an allegory upon the idea of a {{w|webring}}...
::: ''* figure that if seeing "the tape" causes imminent death, then watching "The Ring" might at least cause an annoying rash/the sniffles in the near future... and I have indeed eventually felt an itch or had a runny nose even after seeing references ''to'' The Ring. Sometimes within a couple of months!''
::: I mean, is it not a bit of a Spoiler? (Clearly, I don't know how much it might be.) Hmmm... *itch itch* ''*aaachew!!*'' [[Special:Contributions/172.69.195.175|172.69.195.175]] 13:04, 25 July 2024 (UTC) [[Special:Contributions/172.70.134.100|172.70.134.100]] 03:58, 25 July 2024 (UTC)
::::Even if it is a spoiler, which is debatable, the movie is from 2002 and the original story is from 1991. [[Special:Contributions/172.71.151.114|172.71.151.114]] 19:07, 25 July 2024 (UTC)

I'm assuming that a table would probably be best for this comic, but tbh I don't know how to make one and it's kinda late for me. [[Special:Contributions/162.158.137.212|162.158.137.212]] 02:48, 25 July 2024 (UTC)
:Update: thanks to whoever made the table [[Special:Contributions/141.101.109.192|141.101.109.192]] 03:32, 25 July 2024 (UTC)
::You're welcome :) I had to look at Wikipedia's tutorial to make it - [[User:Blue in real life|Blue in real life]] ([[User talk:Blue in real life|talk]]) 05:55, 25 July 2024 (UTC)
:::The table parser is incredibly byzantine; good job. [[Special:Contributions/172.70.215.11|172.70.215.11]] 07:34, 25 July 2024 (UTC)
As a note, water in power lines ''is'' actually a thing for high speed EV chargers - so much power is transferred even the cable need water cooling! [[User:Thief|Thief]] ([[User talk:Thief|talk]]) 12:38, 25 July 2024 (UTC)
:I'll be dammed, I'm the one who made that original statement, the more I know! [[Special:Contributions/172.68.210.23|172.68.210.23]] 23:15, 25 July 2024 (UTC)

172.70.162.18 (well, more precisely, the person who made [[Special:Diff/347189|this edit]]): you managed to make me frantically make two page moves thinking that you had removed the link that I added. See, I created [[:Category:Confusion matrices]] and added links to that on all the articles with confusion matrices. However, I thought you had reverted my edit when you removed a link to [[:Category:Comics with confusion matrices]]. So I thought I had created the category under the wrong name compared with what I added and went to move the category, until I realized you had indeed removed a link to a category that isn't used. Two page moves later (because I made a typo in the first move), I realized that the category's name was correct and that someone had earlier linked to a nonexistent category that was not mine. '''OOPS.''' —megan [[user talk:megan|talk]] [[special:contribs/megan|contribs]] 13:35, 25 July 2024 (UTC)
:Hi. I was just trying to submit the following, and got Edit Conflicted about it. Right, then. Obviously it's too late to make my reasoning known (I thought it was an IP who had created the "Charts with Confusion Matrices", or whatever it was, who couldn't have even created the required page, but... well, talk about confusion!) but giving it here anyway...
Removed the category of something to do with "confusion charts", which might be something to do with the appearence as a cross-compare table (akin to a Punnet Square, not ''quite'' the same as a Karnaugh Map; probably has some name such as "compatability matrix", but I can't remember or find what that might be). Anyway, apparently "confusion chart/square/matrix/whatever" isn't a term in use that I've been able to find out there in the real world (also, it is probably supposed to guide one ''away'' from potential confusion, not cause it), it specifically doesn't have a wikipedia entry (or even a wikiledia redirect to another one by another name) and we don't have that category even if we invented the term ourselves. There are other examples of this form already under [[:Category:Charts]], so it's "a thing" that we might want to service with a Category (ideally more "Compatability Matrix" than that other name), but best to create the category and add the comic(s) as members rather than speculatively add spurious non-existent categories then rely on someone else to fulfil them at a later date. Even better to have a quick check to see if everyone agrees to the category title (and need, ...which I would actually tentatively support, in this case, if asked) beforehand.
:...just as a note, as I spent quite some time trying to find out if "confusion charts" were a thing (and coming up blank), so maybe this way I haven't wasted my time quite as much as just going away, or instead just offering a laconic apology for getting in the way. [[Special:Contributions/172.69.195.5|172.69.195.5]] 13:46, 25 July 2024 (UTC)
::Ok, me again. It looks like someone found {{w|Confusion matrix}} after all, as a wikipage. I'd actually looked for various "confusion" things but... Perhaps typoed the search when I tried vs. "matrix"..? Maybe. Seems the most logical mistake to have made. So ignore my above objections. Still, I don't like the name ("deconfusion matrix" would be awful, yet better), and I've never known it by that name. Just left making my opinion known, now, however wrong it turns out to have been. About that ''and'' the original wrong-way-round of implementing it (by parties unknown; not [[:User:Megan]], who it looks like just happened to clash with me in mutually well-meant but oppositely attempted resolutions to the original mess). [[Special:Contributions/172.70.163.121|172.70.163.121]] 14:28, 25 July 2024 (UTC)

it kind of looks like the driver in the car/front door panel is beret guy, assuming the car went front first into the door [[Special:Contributions/172.70.178.9|172.70.178.9]] 16:20, 25 July 2024 (UTC)
:Reminds me a bit of Bumblebee, in the eponymous film, semitransforming to get through the internal door between the attached garage and the living area of the protagonist's (parents') house. [[Special:Contributions/172.70.162.18|172.70.162.18]] 20:21, 25 July 2024 (UTC)

Is [https://www.explainxkcd.com/wiki/index.php?title=2963:_House_Inputs_and_Outputs&diff=347265&oldid=347264 "Randall would get off easy if he were merely to be yelled at."] a threat? Is someone trying to anonymously threaten Randall? [[Special:Contributions/172.71.142.15|172.71.142.15]] 21:18, 25 July 2024 (UTC)
:Probably not, but it should be "Most people would suffer consequences sterner than being yelled at when combining water and electricity without appropriate safeguards." However, in the past I have seen overpersonalization of the author to the extent of clearly indicating NPOV violations in these explanations. [[Special:Contributions/172.70.214.150|172.70.214.150]] 22:18, 25 July 2024 (UTC)

Personally, I thought garages were built for storing boxes of old crap in. For the most part (here in the UK, at least), they are wholly unsuitable for the keeping of cars, due to the steady growth of vehicles, and the relatively static nature of the size of garages.[[Special:Contributions/172.70.162.18|172.70.162.18]] 11:27, 26 July 2024 (UTC)

;Request for a Wikipedian
Could someone please add a [citation needed] tag to {{w|Lightning rod#History}} where it says Franklin was unaware of Prokop Diviš's work? Decades ago when I read a 1950s biography of Franklin, I am pretty sure there were some questions about whether Franklin would likely have been aware of it and similar work which had not been entirely resolved by historians. My ISPs are both IP-rangeblocked so I can't edit enwiki from home or my cell phone internet. [[Special:Contributions/172.69.34.190|172.69.34.190]] 17:06, 25 July 2024 (UTC)
:Franklin's "Experiments and Observations on Electricity," published in 1751,[https://academic.oup.com/ahr/article-abstract/111/3/826/14788] became widely known and was translated into multiple languages, with practical and accessible explanations of the use of the lightning rod before Diviš's independent work in 1754.[https://english.radio.cz/270-years-ago-czech-scientist-prokop-divis-built-worlds-first-grounded-lightning-8819683]
:The sentence "His experimental apparatus, known as the "weather machine” predated Benjamim Franklin's more widely recognized experiments." is the one that needs the [citation needed] tag. [[Special:Contributions/172.70.207.9|172.70.207.9]] 18:52, 25 July 2024 (UTC)

2963: House Inputs and Outputs

2024-07-26T08:21:28Z

172.70.162.18: /* Explanation */

{{comic
| number = 2963
| date = July 24, 2024
| title = House Inputs and Outputs
| image = house_inputs_and_outputs_2x.png
| imagesize = 740x684px
| noexpand = true
| titletext = People think power over ethernet is so great, and yet when I try to do water over ethernet everyone yells at me.
}}

==Explanation==
{{incomplete|Created by a possible reference to [[1037: Umwelt]] in panel 16 - Please change this comment when editing this page. Do NOT delete this tag too soon.}}

This is another comic in a series depicting {{w|confusion matrix|confusion matrices}}, similar to [[2813: What To Do]], [[2420: Appliances]], and [[1890: What to Bring]]. It is arranged as a table of five columns of conduits to and from a house, by five rows of resources and people, each of which typically enter, exit or both enter ''and'' exit the house via at least one of the identified conduits. The table cells have a green background for compatible methods of transit; a red tint is used for the more problematic pairings. Each panel can be read as "[row label] [entering and/or exiting] the house via the [column label]", for example, "Fresh water entering the house via the well".

{| class="wikitable" style="background-color: lightpink;"
|+ Explanations of the "House Inputs and Outputs" table cell drawings
! !! Well !! Garage !! Power lines !! Front door !! Septic tank
|-
! Fresh water (Input)
|style="background-color: palegreen;"| The purpose of a well is usually to pump fresh water into the home, primarily for drinking or washing.{{citation needed}} It may be unnecessary in many places if a reliable {{w|water supply network}} is available. || Long gone are the days of {{w|Labours_of_Hercules#Fifth:_Augean_stables|having to clean up after your primary mode of transportation}}, for most people. || Power lines conduct electricity, not water. The two functions are inherently dangerous if carelessly combined. Water can be used to cool high-energy lines, such as fast battery charger cables[https://www.connectortips.com/where-liquid-cooled-connectors-and-connectors-for-liquid-cooling-used-in-evs-faq/] and cables supplying electric arc furnaces, but not overhead residential power lines. || Many people prefer to control the amount of water they get, and the water may damage things inside the house. || Most people don't want anything they drink to contain (or go through pipes that have contained) sewage.
|-
! Cars (Input/Output)
| Most cars can't fit inside most wells.
|style="background-color: palegreen;"| Garages are in fact built for the storage of cars and other similarly-sized vehicles. Placing a car in one will both help protect it from the elements and make it easier to access from inside your own home. || As of yet, cars cannot be transferred through power lines and require roads to travel on. This could significantly reduce travel costs. However, the illustration here has the car actually balancing upon the strained wire, indicating a more mundane (but still not easy!) method of transit. || Most cars can’t fit through doors, apart from the garage door. || Comedian {{w|Garrison Keillor}}'s 2008 ''More News from Lake Wobegon'' includes a story where an old septic tank is discovered to actually be a buried car.[https://theseriouscomedysite.com/comedy-cd-or-download/garrison-keillor-more-news-from-lake-wobegon/]
|-
! Electricity (Input)
| Wells are not a source of electric power, and attempting to obtain electricity from a well would likely contaminate its water supply. || In the United States, lightning is responsible for causing around 24,600 structure fires annually, resulting in $8 to $10 billion in losses. It is possible, though, for the house's junction box, where the main utility line terminates in order to supply the house's own wiring, to be located in or on the outside wall of the garage, so in a sense, this may be workable.
|style="background-color: palegreen;"| Power lines are designed to facilitate the connection of individual homes to the broader local power network. [[Randall]] omits the fact that electricity can also be an output; e.g. houses with solar panels regularly export electricity too. || {{w|Benjamin Franklin}} invented the {{w|lightning rod}} to prevent lightning strike damage to structures. || As Knit Cap observes, septic tanks are not a source of electric power.
|-
! People (Input/Output)
|style="background-color: lightpink"| This depicts a view from inside a well, a very dangerous place for most people.{{Citation needed}} As a [[:Category:Comics with inverted brightness|dark scene]], it is drawn red-on-black. The motif resembles poster art for the 2002 horror movie remake ''{{w|The Ring (2002 film)|The Ring}}'', which involves a girl left to die in a well who becomes a vengeful ghost (see also [[396: The Ring]]).
|style="background-color: palegreen;"| A person can enter and exit their home through a garage door, provided the garage has an internal door to the rest of the home. Not the best way to welcome unfamiliar guests though. || Overhead power lines to homes are generally not strong enough to climb, and attempting to do so incurs a very serious risk of electrocution.
|style="background-color: palegreen;"| The front door of a home is designed for entry and exit of humans and similarly sized items. || In general, people find crawling through waste unwanted. Also, the septic tank is not connected to the street.
|-
! Sewage (Output)
| Sewage in drinking water can cause disease. It is/was the main cause for most {{w|cholera}} epidemics.
|colspan=3| Sewage spills are smelly, disgusting and hard to clean. They can destroy carpets, floors, drywall and property value.
|style="background-color: palegreen;"| A {{w|septic tank}} is an underground chamber through which wastewater flows for basic {{w|sewage treatment}}.
|}

The title text references {{w|Power over Ethernet|power over ethernet (PoE)}}, first implemented in the early 2000s, to provide electric power along with data on twisted-pair Ethernet cabling. A welcome development, it removed the need for many separate power supplies. While networked water delivery ("running water") is also a welcome development, doing so over ethernet cables would be extremely problematic, risking the several top points of failure, while providing limited amounts of water. However, again, electric vehicle fast charging cables and arc furnace power inputs are sometimes water-cooled.

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}

:[A 5x5 grid of squares. The columns are labeled: Well, Garage, Power lines, Front door, Septic tank. Each row's label has an arrow and a basic house icon next to it. The rows are: Fresh water (horizontal arrow towards house), Cars (two-directional horizontal arrow and house), Electricity (horizontal arrow into house), People (two-directional horizontal arrow and house), Sewage (vertical arrow out of bottom of house).]

:Well, Fresh water: [green]
::[A many-featured house front and cross-sectional subsurface infrastructure, with various aspects that recur throughout most further grid-squares in one or other form. This particular one is distinguished by an arrow indicating movement up through a pipe leading inwards from an adjacent external borehole]
::Voice from house: Mmm! Refreshing!

:Garage, Fresh water: [red]
::[An obliquely off-frontal view of the house, featuring a set of Cueball-like figures directing a hosepipe's stream of water into the open garage-port doorway]
::''Fwoosh''

:Power lines, Fresh water: [red]
::[A different oblique angle concentrated upon the edge of the house upon which the overhead powerlines connect to, from a pole with transformer box and other wire coming from off-frame; the house wire appears to be dripping liquid]

:Front door, Fresh water: [red]
::[Normal frontal view of the house, featuring the hosepipe cueballs directing water into the front door]
::Voice from house: Stop it!
::''Fwoosh!''

:Septic tank, Fresh water: [red]
::[Normal frontal view; The subsurface septic tank feature has an arrow leading up from it through the diagonal pipe that connects to the house itself]
::Voice from house: Eww.

:Well, Cars: [red]
::[A view only of a ground pipe/borehole-head; A car seemingly upended and balanced atop on a front corner, being manhandled by Cueball and Megan figures]

:Garage, Cars: [green]
::[Normal frontal view; Garage door open, car seen parked inside]

:Power lines, Cars: [red]
::[Two power-line poles, the rightmost with transformer, having cables from off-left, between the poles and off-right; Two cueballs stand on the ground below, looking at a car heavily balanced mid-way along the central stretch of wire]

:Front door, Cars: [red]
::[Frontal view of house; Front doorway has surrounding damage and a car tightly wedged into it with two figures (Beret Guy and a Cueball) visible through the windows]
::Beret Guy, from car: Do you think I scratched the paint?

:Septic tank, Cars: [red]
::[Frontal view of the house; Within the underground sceptic tank, displacing some of the shallow dark liquid, is a car with two occupants]

:Well, Electricity: [red]
::[Borehole pipe-head; Cueball holds a laptop with a power lead trailing down into the pipe]
::Cueball's laptop: ⚠Low battery

:Garage, Electricity: [red]
::[Frontal view of house, with lightning strike explosively hitting the area of the garage door]
::''BOOM''

:Power lines, Electricity: [green]
::[Frontal view of house, arrow leading down the power-cable and several 'electricity' symbols scattered around]

:Front door, Electricity: [red]
::[Frontal view of house, with lightning strike explosively hitting the area of the front door]
::''BOOM''

:Septic tank, Electricity: [red]
::[Toilet and cistern, seat raised, with Knit Cap looking at a computer system, set up nearby on the floor, with a power lead draped into the toilet-bowl and (sic) a single 'electricity' symbol indicating power flow]
::Knit Cap: Why won't my console turn on?

:Well, People: [red (though overwhelmingly black)]
::[A mostly black tile with a rough circular outline of sketchy red lines]

:Garage, People: [green]
::[Frontal view of house; A Cueball exits the open (darkened) garage doorway, waving]
::Cueball: Bye!

:Power lines, People: [red]
::[Oblique side view of house; A Cueball is climbing up the power-line towards the top of the pole]
::Cueball: Bye!

:Front door, People: [green]
::[Frontal view of house; A cueball exits the open front doorway, waving]
::Cueball: Bye!

:Septic tank, People: [red]
::[Frontal view of house; A Cueball crawls into the elbow-deep dark liquid of the subsurface septic tank, emerging from the house-draining pipes]
::Cueball: Bye!

:Well, Sewage: [red]
::[Frontal view of house; Speech-line emerges from the house]
::Voice from house: ''Why do I keep getting sick???

:Garage, Sewage: [red]
::[Frontal view of house; Garage door is open, revealing Cueball knee-deep in dark liquid]
::Cueball: Oh no.

:Power lines, Sewage: [red]
::[Oblique side view of house; Wide pipe-end emerges from the roof, disgorging a stream of dark liquid out onto the rising power-cable]
::Cueball: Eww.

:Front door, Sewage: [red]
::[Frontal view of house; Front door is open, revealing Cueball knee-deep in dark liquid]
::Cueball: Oh ''no''.

:Septic tank, Sewage: [green]
::[Frontal view of house; Dark liquid drains down drain-pipes into sceptic tank, with an arrow indicating the direction of flow]
::''Flush''

{{comic discussion}}

[[Category:Comics with color]]
[[Category:Comics featuring Cueball]]
[[Category:Comics featuring Megan]]
[[Category:Comics featuring Knit Cap]]
[[Category:Confusion matrices]]
[[Category:Multiple Cueballs]]
[[Category:Charts]]

Talk:2963: House Inputs and Outputs

2024-07-25T20:21:45Z

172.70.162.18:

what in the heckoslovakia is panel 16 [[Special:Contributions/172.71.147.216|172.71.147.216]] 02:18, 25 July 2024 (UTC)
:I can only assume that it's from the perspective of someone inside the well looking upward toward the outside world. [[User:OmniDoom|OmniDoom]] ([[User talk:OmniDoom|talk]]) 02:23, 25 July 2024 (UTC)
:: It's a reference to The Ring (リング) films and books. This distorted view from the inside of the well is an iconic part of the franchise's imagery, and, in minimal-spoilers form, its appearance suggests that someone has watched the cursed tape and should now expect a visitor to arrive from that well in seven days. (Definitely a red intersection) [[User:Scorpion451|Scorpion451]] ([[User talk:Scorpion451|talk]]) 02:52, 25 July 2024 (UTC)
::: more at https://en.m.wikipedia.org/wiki/The_Ring_(franchise) aside holy gosh! I was expecting to link to IMDB for like two or three movies. /aside the trailer at https://m.imdb.com/title/tt0298130/ starts with an a 1950-1990 ish USA telephone ring. It's been a while since I saw it and the ring referring to a telephone not magic ring is starting to sound familiar. SDT
:::: which is too much detail. "Panel 16 refers to a horror film" is not enough info SDT [[Special:Contributions/172.70.134.102|172.70.134.102]] 04:06, 25 July 2024 (UTC)
::: [[396|You watched the tape!?]] --[[Special:Contributions/162.158.94.27|162.158.94.27]] 07:07, 25 July 2024 (UTC)
::: Having never seen* The Ring, I now think I understand a lot more about the film. Here was I, always thinking it was an allegory upon the idea of a {{w|webring}}...
::: ''* figure that if seeing "the tape" causes imminent death, then watching "The Ring" might at least cause an annoying rash/the sniffles in the near future... and I have indeed eventually felt an itch or had a runny nose even after seeing references ''to'' The Ring. Sometimes within a couple of months!''
::: I mean, is it not a bit of a Spoiler? (Clearly, I don't know how much it might be.) Hmmm... *itch itch* ''*aaachew!!*'' [[Special:Contributions/172.69.195.175|172.69.195.175]] 13:04, 25 July 2024 (UTC) [[Special:Contributions/172.70.134.100|172.70.134.100]] 03:58, 25 July 2024 (UTC)
::::Even if it is a spoiler, which is debatable, the movie is from 2002 and the original story is from 1991. [[Special:Contributions/172.71.151.114|172.71.151.114]] 19:07, 25 July 2024 (UTC)

I'm assuming that a table would probably be best for this comic, but tbh I don't know how to make one and it's kinda late for me. [[Special:Contributions/162.158.137.212|162.158.137.212]] 02:48, 25 July 2024 (UTC)
:Update: thanks to whoever made the table [[Special:Contributions/141.101.109.192|141.101.109.192]] 03:32, 25 July 2024 (UTC)
:::You're welcome :) I had to look at Wikipedia's tutorial to make it - [[User:Blue in real life|Blue in real life]] ([[User talk:Blue in real life|talk]]) 05:55, 25 July 2024 (UTC)
::::The table parser is incredibly byzantine; good job. [[Special:Contributions/172.70.215.11|172.70.215.11]] 07:34, 25 July 2024 (UTC)
As a note, water in power lines ''is'' actually a thing for high speed EV chargers - so much power is transferred even the cable need water cooling! [[User:Thief|Thief]] ([[User talk:Thief|talk]]) 12:38, 25 July 2024 (UTC)

172.70.162.18 (well, more precisely, the person who made [[Special:Diff/347189|this edit]]): you managed to make me frantically make two page moves thinking that you had removed the link that I added. See, I created [[:Category:Confusion matrices]] and added links to that on all the articles with confusion matrices. However, I thought you had reverted my edit when you removed a link to [[:Category:Comics with confusion matrices]]. So I thought I had created the category under the wrong name compared with what I added and went to move the category, until I realized you had indeed removed a link to a category that isn't used. Two page moves later (because I made a typo in the first move), I realized that the category's name was correct and that someone had earlier linked to a nonexistent category that was not mine. '''OOPS.''' —megan [[user talk:megan|talk]] [[special:contribs/megan|contribs]] 13:35, 25 July 2024 (UTC)
:Hi. I was just trying to submit the following, and got Edit Conflicted about it. Right, then. Obviously it's too late to make my reasoning known (I thought it was an IP who had created the "Charts with Confusion Matrices", or whatever it was, who couldn't have even created the required page, but... well, talk about confusion!) but giving it here anyway...
Removed the category of something to do with "confusion charts", which might be something to do with the appearence as a cross-compare table (akin to a Punnet Square, not ''quite'' the same as a Karnaugh Map; probably has some name such as "compatability matrix", but I can't remember or find what that might be). Anyway, apparently "confusion chart/square/matrix/whatever" isn't a term in use that I've been able to find out there in the real world (also, it is probably supposed to guide one ''away'' from potential confusion, not cause it), it specifically doesn't have a wikipedia entry (or even a wikiledia redirect to another one by another name) and we don't have that category even if we invented the term ourselves. There are other examples of this form already under [[:Category:Charts]], so it's "a thing" that we might want to service with a Category (ideally more "Compatability Matrix" than that other name), but best to create the category and add the comic(s) as members rather than speculatively add spurious non-existent categories then rely on someone else to fulfil them at a later date. Even better to have a quick check to see if everyone agrees to the category title (and need, ...which I would actually tentatively support, in this case, if asked) beforehand.
:...just as a note, as I spent quite some time trying to find out if "confusion charts" were a thing (and coming up blank), so maybe this way I haven't wasted my time quite as much as just going away, or instead just offering a laconic apology for getting in the way. [[Special:Contributions/172.69.195.5|172.69.195.5]] 13:46, 25 July 2024 (UTC)
::Ok, me again. It looks like someone found {{w|Confusion matrix}} after all, as a wikipage. I'd actually looked for various "confusion" things but... Perhaps typoed the search when I tried vs. "matrix"..? Maybe. Seems the most logical mistake to have made. So ignore my above objections. Still, I don't like the name ("deconfusion matrix" would be awful, yet better), and I've never known it by that name. Just left making my opinion known, now, however wrong it turns out to have been. About that ''and'' the original wrong-way-round of implementing it (by parties unknown; not [[:User:Megan]], who it looks like just happened to clash with me in mutually well-meant but oppositely attempted resolutions to the original mess). [[Special:Contributions/172.70.163.121|172.70.163.121]] 14:28, 25 July 2024 (UTC)

it kind of looks like the driver in the car/front door panel is beret guy, assuming the car went front first into the door [[Special:Contributions/172.70.178.9|172.70.178.9]] 16:20, 25 July 2024 (UTC)
:Reminds me a bit of Bumblebee, in the eponymous film, semitransforming to get through the internal door between the attached garage and the living area of the protagonist's (parents') house. [[Special:Contributions/172.70.162.18|172.70.162.18]] 20:21, 25 July 2024 (UTC)

;Request for a Wikipedian
Could someone please add a [citation needed] tag to {{w|Lightning rod#History}} where it says Franklin was unaware of Prokop Diviš's work? Decades ago when I read a 1950s biography of Franklin, I am pretty sure there were some questions about whether Franklin would likely have been aware of it and similar work which had not been entirely resolved by historians. My ISPs are both IP-rangeblocked so I can't edit enwiki from home or my cell phone internet. [[Special:Contributions/172.69.34.190|172.69.34.190]] 17:06, 25 July 2024 (UTC)
:Franklin's "Experiments and Observations on Electricity," published in 1751,[https://academic.oup.com/ahr/article-abstract/111/3/826/14788] became widely known and was translated into multiple languages, with practical and accessible explanations of the use of the lightning rod before Diviš's independent work in 1754.[https://english.radio.cz/270-years-ago-czech-scientist-prokop-divis-built-worlds-first-grounded-lightning-8819683]
:The sentence "His experimental apparatus, known as the "weather machine” predated Benjamim Franklin's more widely recognized experiments." is the one that needs the [citation needed] tag. [[Special:Contributions/172.70.207.9|172.70.207.9]] 18:52, 25 July 2024 (UTC)

2963: House Inputs and Outputs

2024-07-25T20:13:17Z

172.70.162.18:

Talk:2963: House Inputs and Outputs

2024-07-25T13:51:14Z

172.70.162.18: Must have not done four tildes... Three or five, whichever one it is that just does the namesig part.

2963: House Inputs and Outputs

2024-07-25T13:19:43Z

172.70.162.18: /* Transcript */ Remove non-existing Cat. *meow..?*

User talk:Jeff

2024-07-24T15:42:43Z

172.70.162.18: /* Print Book? */

{{notice|This is the talk page of Jeff, the creator of Explain XKCD. If you have a comment about the wiki, please use the [[Explain XKCD:Community portal]]. Use this page only for personal messages to Jeff, of for requests that require server access.}} 

== Print Book? ==

Hi Jeff,

Has it ever been suggested that parts of ExplainXKCD -- say, the first ten years of comments -- could be made into a print book, obviously only with the permission of Randall Munroe? -- margavriel
: It has not been suggested - I'm not even sure how to go about and do such a thing. I wouldn't even know how to communicate to Randall. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 00:23, 7 November 2021 (UTC)
:: You don't need Randall's permission - xkcds are creative commons. {{unsigned|B for brain|14:34, 24 July 2024}}
::: The question is clearly about ExplainXKCD's content. Which will necessarily include Randall's works, as well as others, with a small mix of different inherent rights.
::: But the real issue is that there'd be plenty of non-profit issues, which will be hard (though not impossible) to reconcile with the downlay for the physical book's printing/distribution and any token payments needed to not make it just an expensive give-away.
::: And the effort to untangle everything (it'd be good to ''try'' to check with Randall and ''every explainxkcd contributor'' that would get reproduced) is complex for anything other than any purely personal Send To Printer that nobody else would even know/care about. [[Special:Contributions/172.70.90.145|172.70.90.145]] 15:18, 24 July 2024 (UTC)
::: By the way, check [[explain xkcd:Copyrights]] and [[Design of xkcd.com#License and copyright]], plus be aware that some comics have been given altered rights for compatability with re-use in other places (like Wikipedia/TVTropes), and things like the What-Ifs may be intrinsically different for Randall's own book-rights usage/etc
::: I don't suppose you were prompted to think about book-printing because of the recent [https://youtu.be/RgBYohJ7mIk YouTube video], were you? I think we could have a section about those (as per the original What-If pages listing), if someone wants to create it. [[Special:Contributions/172.70.162.18|172.70.162.18]] 15:42, 24 July 2024 (UTC)

== ParserFunctions ==

Hi Jeff,

Just thought I'd run this up the flagpole... any thought about installing the ParserFunctions extension? I think this site could benefit from a few templates that would aid in indexing/categorizing the entries as content is migrated, and ParserFunctions would make some really impressive things possible... but installing any extension or not would be up to you.

Also, do you have any feelings about us users creating templates in the Template namespace, which we could use to maintain the content? Just wanted to get your thumbs-up before/if I did something like that. Just want to play nice. Love the site, and the new wiki format.

- PT [[User:IronyChef|IronyChef]] ([[User talk:IronyChef|talk]]) 03:05, 1 August 2012 (EDT)
:ParserFunctions are awesome, yup! --''[[User:Philosopher|Philosopher]]'' [[User talk:Philosopher|Let us reason together.]] 06:56, 1 August 2012 (EDT)
::{{done}} Yes to both. I have enabled ParserFunctions and Templates sound like a great idea. IronyChef, please send me an email at the address on the blog and I'll make you an admin if necessary to edit templates. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 08:03, 1 August 2012 (EDT)

== Extension:Variable ==
Just wondering what you thought about adding the [http://www.mediawiki.org/wiki/Extension:Variables Variables extension]. I'm toying with revising {{tl|LATESTCOMIC}} to not be so expensive (both in terms of template expansion, and ongoing maintenance.) I could do that now, but the wiki would have to re-expand and re-evaluate the same expression about six times, being slightly counter-productive. -- [[User:IronyChef|IronyChef]] ([[User talk:IronyChef|talk]]) 14:54, 25 August 2012 (UTC)
:: any thoughts ... up, down, sideways? Thanks! -- [[User:IronyChef|IronyChef]] ([[User talk:IronyChef|talk]]) 15:34, 1 September 2012 (UTC)
::: I'm up for it... Let me get it installed on the wiki side when I get a chance. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 23:13, 3 September 2012 (UTC)

== Bugging you again.... ==

Could you take a look at [//www.explainxkcd.com/wiki/index.php?limit=10000&tagfilter=&title=Special%3AContributions&contribs=user&target=Philosopher&namespace=8&year=&month=-1] and tell me if I'm thinking in about the same way as you are here? Also, I've brought up [[MediaWiki:Tagline]] and [[Explain XKCD:Community portal]], as it'd be cool to have a tagline. --''[[User:Philosopher|Philosopher]]'' [[User talk:Philosopher|Let us reason together.]] 10:46, 1 August 2012 (EDT)
:With you 100% on the File Delete reasons. Thanks. I agree also about having a tagline. What do you think it should be? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 11:13, 1 August 2012 (EDT)
::Nothing's coming to mind right now. Perhaps someone else will think of something. --''[[User:Philosopher|Philosopher]]'' [[User talk:Philosopher|Let us reason together.]] 17:54, 2 August 2012 (EDT)
Discussion continued at [[Explain XKCD:Community portal/Proposals#Tagline]].

== Automatic Import ==
Moved to [[Explain XKCD:Community portal/Proposals#Automatic Import]]. (Header left to avoid breaking links.) --''[[User:Philosopher|Philosopher]]'' [[User talk:Philosopher|Let us reason together.]] 00:30, 4 August 2012 (EDT)

== Please watch [[Explain XKCD:Community portal/Administrators' noticeboard]] ==

I'd like to ask that the admins consider adding [[Explain XKCD:Community portal/Administrators' noticeboard]] to their [[wikipedia:Help:Watching pages|watchlists]]. On a similar note, I've just started a discussion there about spammers. -''[[User:Philosopher|Philosopher]]'' [[User talk:Philosopher|Let us reason together.]] 02:02, 4 August 2012 (EDT)

== Images from Wikimedia Commons and SVG ==
Please set <code>$wgUseInstantCommons = true;</code> in the wiki's LocalSettings.php, so we can use images from Wikimedia Commons without having to reupload them here.
Also, I'd be neat if you could [[mw:Manual:Image Administration#SVG|enable svg images]]. Thanks! --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 04:20, 4 August 2012 (EDT)
: {{done}}, Instant Commons is on. Will need a little more work to get SVG images to work. What renderer to do you suggest I use? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 12:05, 6 August 2012 (UTC)
:: That'll depend on what you have available in your server. They say there that ImageMagick seems to be an acceptable choice, but rsvg seems to be the best one if the dependencies can be sorted out. --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 13:20, 6 August 2012 (UTC)

== Search suggestions ==

Hi,

could you please set $wgEnableMWSuggest [http://www.mediawiki.org/wiki/Manual:$wgEnableMWSuggest] to true? This enables search suggestions for the search field, and often this helps you to skip the search results. --[[User:SlashMe|SlashMe]] ([[User talk:SlashMe|talk]]) 09:10, 4 August 2012 (EDT)
:{{done}} OK, this is has been added to the LocalSettings. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 12:06, 6 August 2012 (UTC)

== Time zone ==

Please set the wiki to UTC (<tt>$wgLocaltimezone = "UTC";</tt> in LocalSettings.php), as it's the most neutral option for our international community. In any case, each user can choose their time zone in their preferences.
:{{done}} Ok, set. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 12:07, 6 August 2012 (UTC)

== Short urls, site logo, lowercase xkcd ==

Hi,
I'm not sure if you tried it but http://shorturls.redwerks.org is a great (and simple :D) tool to implement clean urls with mediawiki. That would make urls much nicer around here.

Also, if you could, please take a look at [[Explain XKCD:Community portal/Proposals#Naming conventions]], where your assistance is needed for some server changes. --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 15:31, 6 August 2012 (UTC)

:Hi again :) just to remind you about the short urls thing. I think it would be great if we could have wiki links in the form "explainxkcd.com/wiki/link_title". It might be necessary to move the wiki into a different folder name than "wiki", but that's just a matter of renaming the folder and changing <code>$wgScriptPath</code> in LocalSettings.php accordingly. The link above makes things really straighforward, it should really only take you a few minutes to set everything up.
:Another cool thing that could be done is set up a server redirect so that links in the form of explainxkcd.com/number would point to the comics in the wiki instead of returning a 404 error (for instance, http://explainxkcd.com/123 would point to http://explainxkcd.com/wiki/123). That way, we could replicate xkcd's own url system for comics and people could simply type explainxkcd.com/123 and get the explanation for the corresponding comic. This redirect can probably be set up in the hosting company's web interface, but in case it can't, let me know if you need any help. --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 22:03, 11 August 2012 (UTC)
::Hi Waldir - I'll work on the short URL thing. I want that to work for sure. With regards to the redirect, I have been working on it for a while and I have a few .htaccess files and etc that don't work. I'll be grateful for the help on it. Please send me an email if you know how to get it done. This would also allow anyone from xkcd.com/435 to just add explain and go to the comic explanation. Very helpful. Been working on it unsuccessfully for a while. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 01:41, 12 August 2012 (UTC)
:::Ugh, it must be my hosting because I did all of the shorturls correctly it just sent it to a 404 page for the site over and over again. The url seemed to be the right one, but didn't send it to the right location. It should NOT be this difficult. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 02:25, 12 August 2012 (UTC)

== wgCapitalLinks ==

Hi Jeff! When you have a few spare minutes, please add the following to LocalSettings.php:
$wgCapitalLinks = false;
This allows page titles not to be automatically capitalized by the software, which is important for filenames and for some comic titles such as [[s/keyboard/leopard/]]. Cheers, [[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 21:34, 11 August 2012 (UTC)
:{{done}} --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 01:37, 12 August 2012 (UTC)
::...and this broke our templates (and maybe [[Special:RecentChanges]]?). See [[explain xkcd:Community portal/Admin requests]]. Can't we just style the page titles so they appear as though they aren't capitalized when they really are? (As done at [[wikipedia:Xkcd]], using the DISPLAYTITLE magic word (called through [[wikipedia:Template:DISPLAYTITLE]]).) --''[[User:Philosopher|Philosopher]]'' [[User talk:Philosopher|Let us reason together.]] 04:42, 12 August 2012 (UTC)
:::Looks like transition pains would be inevitable. I think everything is sorted out for now. See the Admin requests thread for details. As for using DISPLAYTITLE, I understand the rationale, but this is xkcd and attention to capitalization is necessary in several pages, and I believe we'd rather use a complete solution (so that pages actually have the correct title) rather than hacking what is shown to viewers. In any case, we shouldn't have many problems in the future because of this; People will only capitalize the first letter of a title when it's actually necessary; otherwise, lazyness/convenience makes us all use lowercase everywhere (besides, redirects can be used just in case, such as {{tl|yesno}} → {{tl|YesNo}}. --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 09:06, 12 August 2012 (UTC)

== External Images ==

Has there actually been a decision on external images? Or is it just to be decided later?  [[User:Grep|grep]][[User_talk:Grep|talk]] 
: No decision yet. What do you think? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 21:16, 28 August 2012 (UTC)
::Well, the whitelisting seems an OK idea. This would help you save space on the servers that you are hosting on, so that's a plus. I say go for whitelisting.  [[User:Grep|grep]][[User_talk:Grep|talk]]  Mostly I am wondering because I created a PHP script that creates an image to display the results of a poll (like on the Moving the Wiki topic in Proposals). For my situation any method of something external being placed on this site will work.
::'''I just''' got an idea... what if there was a group of moderators that check external images and approve them. The more approvals a person gets, the more "reliable" they are considered to be... ?  [[User:Grep|grep]][[User_talk:Grep|talk]] 

== Short Link Problem Fix? ==

Is <code>mod_rewrite</code> installed and enabled? 
[https://www.mediawiki.org/wiki/Manual:Short_URL/Apache MW ShortURL] 
Are all of the config files (including the wiki one) set up?

 [[User:Grep|grep]][[User_talk:Grep|talk]] 

== New admin please? ==

This is a bit forthright of me, but nothing appears to be being done about it. Would you read this [[explain xkcd:Community portal/Proposals#Spampage Rampage]] and comment on it? Thanks, [[User:Lcarsos|lcarsos]] and the community 17:47, 13 November 2012 (UTC)

== Small change ==

Hi Jeff! Long time no see. Look, could you add
:<code>$wgGroupPermissions['autoconfirmed']['autopatrol'] = true;</code>
to LocalSettings.php? That will allow edits by [[mw:auto-confirmed|auto-confirmed]] users not to be marked with a red exclamation mark in recent changes so we can more quickly spot edits that might need reviewing. --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 02:16, 22 November 2012 (UTC)

:Btw while you're at it, please also add
::<code>$wgAllowUserJs = true;</code>
::<code>$wgAllowUserCss = true;</code>
:So users can make their own scripts and styles to enhance the wiki (I need that, for instance, to test stuff without affecting anyone else, before integrating them on site-wide javascript/css pages) --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 16:52, 22 November 2012 (UTC)

{{done}} and {{done}} --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 19:55, 25 November 2012 (UTC)

:Thanks! --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 19:57, 25 November 2012 (UTC)

:: Sorry, I forgot a small detail: it is necessary to set up the following so that "auto-confirmed" doesn't mean "any registered user":
:: <code>$wgAutoConfirmAge = 60*60*24*3 // accounts become auto-confirmed after 3 days</code>
:: <code>$wgAutoConfirmCount = 10 // ...and 10 edits</code>
:: Cheers, [[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 21:32, 25 November 2012 (UTC)

::: {{done}} --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 21:49, 25 November 2012 (UTC)

:::: Thanks, again. Also, since the wiki didn't break, I take it that you noticed the missing semicolons which I stupidly forgot to include at the end of the lines, and added them. Sorry for the slip-up. --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 17:31, 26 November 2012 (UTC)
::::: No worries, I know that much at least! :) --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 17:36, 26 November 2012 (UTC)

Did you by any chance write "auto patrol" instead of "autopatrol"? [[Special:ListGroupRights]] suggests so, and if that's the case, that explains why the changes don't seem to have had the effects I expected from them (edits by auto-patrolled users still marked with the red exclamation mark in Special:RecentChanges). Could you check that the line reads exactly <code>$wgGroupPermissions['autoconfirmed']['autopatrol'] = true;</code>? --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 17:54, 26 November 2012 (UTC)
: That's what I thought I put even though autocorrect wanted to change it. Can't look now, will have a look when I get home. ---[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 17:55, 26 November 2012 (UTC)
:: Any news? No pressure, I'm just curious :) --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 15:34, 30 November 2012 (UTC)
::: Bah - I keep forgetting when I get home. I'll try to get it done this weekend. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 17:35, 30 November 2012 (UTC)
:::: Much delayed, but {{done}} --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 02:50, 4 December 2012 (UTC)
::::: Thanks, Jeff. I'll let you know if there's any further issues, but I believe everything should be working now. --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 03:34, 4 December 2012 (UTC)

== Links to category pages ==

I couldn't help but notice the number of your edits to your page. You can link to category pages by putting a colon in front of "Category". <code><nowiki>[[:Category:Pages to delete]]</nowiki></code> produces [[:Category:Pages to delete]]. It also doesn't add the category to that page, it just links to it. Cheers, [[User:Lcarsos|lcarsos]]_a ([[User talk:Lcarsos|talk]]) 17:30, 30 November 2012 (UTC)
: Oh geez. You saw that? That's a little embarrassing with not knowing what to do, I kept trying to figure out how to put the link there. Thanks for the help! I couldn't find that information anywhere. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 17:31, 30 November 2012 (UTC)

::When I had to learn about that trick the edits on that page looked fairly similar. I eventually found the right page [http://www.mediawiki.org/wiki/Help:Links] (ctrl+f "category", it's buried) and managed it. I have the Recent Changes page set to auto-refresh every minute. I see a few things. [[User:Lcarsos|lcarsos]]_a ([[User talk:Lcarsos|talk]]) 17:43, 30 November 2012 (UTC)

== Your opinion? ==

Please comment [[explain xkcd:Community portal/Technical#We need more maintainers|here]]. Cheers, [[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 17:21, 5 December 2012 (UTC)
:Update: we've been offered help by [[mediawiki:User:Dantman|an experienced MediaWiki developer]], I think we can finally solve the server-side issues now! Please take a look at the thread linked above. [[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 20:07, 23 March 2013 (UTC)

== I am really dumb ==

and this morning, while creating a user name, I goofed it and wrote .mau, (with a trailing comma) instead of .mau. (with a trailing dot, which is my trademark). I know that a bureaucrat on MediaWiki can change a username which had few edits (my own edits are three including this one): could you do this, or at least delete this username so that I may recreate it without leaving a dead one? TIA, [[User:.mau,|.mau,]] ([[User talk:.mau,|talk]]) 15:09, 16 January 2013 (UTC)
:You can actually change your signature to .mau. if you want, to mask that for now. Just make a page called User:.mau,/sig and craft your signature to your liking, then go to my preferences at the top and set your sig to <nowiki>{{SUBST:User:.mau,/sig}}</nowiki>. If you want an example, [[User:Lcarsos/sig]] is a near-vanilla and quite clean example of a custom sig, while [[User:Omega/sig]] and my sig, [[User:Davidy22/sig]] are slightly more tricked-out options. Wikipedia's guidelines to signature crafting are {{w|Wikipedia:Signatures#Customizing_your_signature|here.}} '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 15:53, 16 January 2013 (UTC)
::ok, thanks! [[User:.mau,|.mau.]] ([[User talk:.mau,|talk]]) 09:55, 17 January 2013 (UTC)
:::Aw, that's it? No bling or anything? Meeehhh. '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 13:16, 17 January 2013 (UTC)
:(to Jeff) I believe user renaming is not possible in vanilla mediawiki. An extension is required: [[mw:Extension:Renameuser]] --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 18:21, 17 January 2013 (UTC)
::I find a bit disturbing to have a "wrong" username, especially because I may not remember it somewhen (yes, the word does not exist, but I like its sound); but I don't need any flashy signature, so I just changed the traling comma to a dot. --[[User:.mau,|.mau.]] ([[User talk:.mau,|talk]]) 14:09, 18 January 2013 (UTC)

==/wiki/==
Now that the site apparently redirects to the wiki, could the entire wiki URL just be explainxkcd.com, without the trailing wiki? It's mostly for cleanliness, but also to throw off the spambots for a while. Those accursed spam happy bots. '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 04:29, 4 February 2013 (UTC)
: Sounds good, I'm working on that part next. It is next on my "to-do" list complete some URL work like that. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 18:05, 4 February 2013 (UTC)
::''nag''. Also, the spam is becoming an issue. A pretty big issue. Time to switch captchas? '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 13:04, 18 February 2013 (UTC)
::: OK - sounds good to me, any ones you recommend? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 13:33, 18 February 2013 (UTC)
:::: I don't remember which captcha the wiki uses, but I know securimage and recaptcha are two very competent options. Alternately, you could use [http://www.mediawiki.org/wiki/Extension:ConfirmEdit ConfirmEdit] to screen anon edits. Much of the spam seems to be automated, so questycaptcha should screen out most of the chaff. Just simple questions, like "What webcomic does this site explain" or "Who created XKCD" should be sufficient to screw up our current spammers. Also, rm /wiki/ plx. '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 13:41, 18 February 2013 (UTC)
:::::Confirm edit is in and Recaptcha is out. Let's try that. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 14:11, 18 February 2013 (UTC)
::::::The questions appear to be case-sensitive. To avoid frustration, could you add a notice to every question saying that the answers have to be in all lower/upper case? I got "What's the name of this wiki" wrong a bunch of times, and I think it's due to capitalization. '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 14:30, 18 February 2013 (UTC)
:::::::Ok - cool. I changed it to $wgSitename instead of just writing it out. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 14:32, 18 February 2013 (UTC)
::::::::If we get no spam tomorrow, I will hold a party in your talk page. Oh, and /wiki/. '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 14:38, 18 February 2013 (UTC)
:::::::::I'll just hijack this thread and ask: Isn't it time Davidy22 got admin tools? It's long overdue. And please promote Lcarsos‏‎ to bureaucrat, so he can make new admins if needed. And seconded: <code>/wiki/</code> ! --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 02:39, 19 February 2013 (UTC)
::::::::::Could you also put confirmEdit in general page creation for anonymous users? There's still a couple of spam pages being made that don't actually advertise anything. There hasn't been an account creation in a long time, so I think we've killed off the spam accounts. The rate of spam has definitely dropped significantly ever since we switched to confirmEdit. '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 05:42, 20 February 2013 (UTC)
::::::::::We've just had a surge of pure griefer spam. Anons who don't insert any links, they're just throwing spam at us out of malice. Could you make anonymous users have to pass through confrimEdit to create pages? Thanks. On a side note, what's the ratio in terms of file size between current explanation pages to logs and diffs? '''[[User:Davidy22|Davidy²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 01:53, 22 February 2013 (UTC)
:::::::::::Wow those suck. Wiping out whole pages with anon edits. I can't change the settings from here, but I'll do it when I get home. Also, I'm not sure what you mean by filesize? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 15:51, 22 February 2013 (UTC)
::::::::::::Eh, how much space do explanations and images take up on your hard drive when compared to the space that log files and diffs take up? '''[[User:Davidy22|Davidy²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 16:01, 22 February 2013 (UTC)
:::::::::::::Click a thing, check out the URL. I be posting this here instead of DMs because somthing like this has been requested for a pretty long time. '''[[User:Davidy22|{{Color|#707|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 01:55, 7 December 2013 (UTC)
::::::::::::: I'm confused. There's a lot going on in this thread. Want to break it out into its own header? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:48, 9 December 2013 (UTC)
::::::::::::::Mkay '''[[User:Davidy22|{{Color|#707|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 19:47, 9 December 2013 (UTC)

== Promote Davidy22 ==

:''Breaking this discussion out from where it was, because it merits its own section. [[User:Lcarsos|lcarsos]]_a ([[User talk:Lcarsos|talk]])''
I'll just hijack this thread and ask: Isn't it time Davidy22 got admin tools? It's long overdue. And please promote lcarsos‏‎ to bureaucrat, so he can make new admins if needed. And seconded: <code>/wiki/</code> ! --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 02:39, 19 February 2013 (UTC)

:'''Heartily Agree''' on promoting Davidy22, he's almost always more on top of spam patrol than I am these days (burn-out for the lose). I'm not sure I can speak for my own promotion without sounding self-serving and power-hungry. However, in my few spare moments this semester I am looking closely at getting a bot up and running to automate the clean up of spam (mostly because manual spam patrol is the most soul-sucking and disheartening activity I've ever done), so it would be nice to be able to get a bot account promoted to bot status without misrepresenting it as my account. [[User:Lcarsos|lcarsos]]_a ([[User talk:Lcarsos|talk]]) 18:13, 19 February 2013 (UTC)
:: Davidy22 is up to admin (honestly, I thought he was already one, so no issue there on my end.) and lcarsos has been updated to bureaucrat because we should have more redundancy there. Also, create a bot account and let me know what it is and i'll give it bot rights. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 18:36, 19 February 2013 (UTC)
:: Or now, you can do it! :) --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 18:41, 19 February 2013 (UTC)
:::WOO, power! '''[[User:Davidy22|Davidy22]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 05:42, 20 February 2013 (UTC)

== Small ConfirmEdit change ==

Can you change the line:
<pre>$wgCaptchaTriggers['create'] = false;</pre>
to true? I think this would solve most of our bot vandalism/griefing problems. [[User:Lcarsos|lcarsos]]_a ([[User talk:Lcarsos|talk]]) 21:19, 22 February 2013 (UTC)
:: {{done}} I changed 'edit' to true as well since we've seen a bunch when editing user's talk pages. We will see if I have to move that back to false. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:16, 23 February 2013 (UTC)

== DeleteOldRevisions ==

There's a script built into mediawiki called DeleteOldRevisions.php that seems to have deprecated the deletehistory plugin. A link to the [http://www.mediawiki.org/wiki/Manual:DeleteOldRevisions.php manual page.] A hard drive upgrade would be apt for the future though. '''[[User:Davidy22|{{Color|purple|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 00:15, 20 March 2013 (UTC)
: I'm looking into it. I'm not sure how the wiki got back up and running without me running the update. I'll try the [http://www.mediawiki.org/wiki/Extension:DeleteHistory] and see if that can help in the meantime. The expanded HD might be a no-go, but I'll see on that too. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 01:27, 20 March 2013 (UTC)

==Server Hardware==
The website is getting really slow and throwing internal errors all over the place, and it looks like both the main page and the page for the newest comic [[1190: Time]] are climbing rapidly in views. If one ambiguous comic is hitting us like a DDoS, we're going to get it in the shorts if Randall ever actually acknowledges our existence directly, or some other geeky media outlet posts a link to us. Is there a donate button anywhere? '''[[User:Davidy22|{{Color|purple|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 05:18, 25 March 2013 (UTC)
: We certainly can get a Donate button. We may need to migrate the server to get it upgraded. This is one of those big days, I guess. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 12:39, 25 March 2013 (UTC)
:: How about a Kickstarter or Indiegogo campaign? --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 12:37, 26 March 2013 (UTC)
:::Kickstarter and Indiegogo are one-time things. No good for this. I recommend modifying the donate button so that there is a PayPal "Subscribe" button near it so people can also do small monthly subscriptions. I recommend a dropdown with $1, $2, $5, $10, $20 options.
:::Does 1&1 give you stats like how much bandwidth (or rather how much data) you are using. That could have an effect on where is best to get the new hosting; Rackspace Cloud, Linode, AWS, or even a real server with access to other network options like paying for actual Mbps bandwidth with unlimited data.
:::When you get a server I'd like to properly set it up with varnish, nginx, apc (or Zend_Optimizer+ considering it's going to be part of php 5.5), memcached, and perhaps php-fpm instead of mod_php. Varnish will allow anonymous pages to be cached hopefully reducing the load issues. And nginx should serve out static things better than Apache. [[User:Dantman|Dantman]] ([[User talk:Dantman|talk]]) 05:23, 27 March 2013 (UTC)
:::: Regarding the Paypal button, besides the subscribe option, I would recommend removing the credit card logos, as they make it too wide for the sidebar and not fit the design well. Besides, I personally think they give it kind of a corporate feel; instead, a simple "donate" button, while still recognizable as paypal's, feels simpler and more "personal", for lack of a better word.
:::: Also, I think you should place it above the AdSense block, since that makes it more visible, and prioritizes a form of supporting the site that people have direct, active control over, rather than the passive, choice-less (modulo AdBlock) AdSense.
:::: And also capitalize "donate" in the section title, to match the other titles ("Navigation", "Toolbox", etc.)
:::: Since we're at it: maybe more donation options would make sense: [//flattr.com Flattr], [//gittip.com Gittip], [//tiptheweb.org/ TipTheWeb], and possibly [//bitcoin.org/ Bitcoins].
:::: Finally, is it possible to make the AdSense background transparent, or at least the same as the site background of #F3F3F3? --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 14:15, 27 March 2013 (UTC)
:::::Is it possible to add the ad and donate buttons without including a section title? Minimizing unused space is gooood. Also, I noticed that you installed the deletehistory plugin, but it's trying to use another version of PHP that's installed on the server. deleteoldrevisions.php in the maintenance folder oughta work fine, though it'd probably be apt to run it over the weekend when we're not expecting absurd floods of visitors like we are now. We may need it too, after we've filled up the hard drive again with archives of Time.'''[[User:Davidy22|{{Color|purple|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 14:39, 27 March 2013 (UTC)
:::::: Yes, it is possible for me to edit, I will have to go into the settings for each since I used extensions for them. I hate the credit card things too. Will take a look at all options tonight.
:::::: The Deletehistory plugin doesn't work, sadly because of the PHP version. Hopefully, when we migrate, it will be on a newer version and that will work. Hopefully, we will have more disk space too... --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]])
::::: Hey Jeff. Could you change the width of the paypal donate button so that it matches the google ads and the bitcoin donate button? Maybe using a custom button rather than the paypal-provided one?
::::: Also, any news regarding the possibility of changing the background of the google ads? --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 17:21, 8 April 2013 (UTC)
:::::: It did not work out with Google ads for a reason they will not disclose to me, but I'll work on the buttons and the banner ad. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:11, 9 April 2013 (UTC)

== Everything's good ==

Except for the (currently) occasional server error, I have no problems.

I've turned on HotCat and Popups, imported wikEdDiff and my HideTopContribs, all of which make me fairly efficient at watching changes.

A minor request would be the Redirect toolbar button.

[[User:Markhurd|Mark Hurd]] ([[User talk:Markhurd|talk]]) 17:13, 19 April 2013 (UTC)

:When you turn off enwiki's "Enable enhanced editing toolbar" all of the toolbar buttons explainxkcd has are in the same order (it skips Math) and the very next one is Redirect #R. It seems to be defined at http://en.wikipedia.org/w/index.php?title=MediaWiki:Common.js/edit.js&action=edit
:I've tried adding just Redirect #R myself [[User:Markhurd/common.js|here]], but something's going wrong. (And I should be sleeping!)
::Seeing as it is only one button I wanted, I simplified the code down to calling addButton directly and it is now working fine. [[User:Markhurd|Mark Hurd]] ([[User talk:Markhurd|talk]]) 13:07, 20 April 2013 (UTC)

:Re being an Admin: Yes, please, as long as you note this would be my first actual Admin bit. (I'm a Bureaucrat on another MW wiki so I could give myself Admin rights whenever I wanted.) [[User:Markhurd|Mark Hurd]] ([[User talk:Markhurd|talk]]) 19:39, 19 April 2013 (UTC)

== Sidebar ads ==

Hi, we're having a discussion about the sidebar ads on [[Talk:Main Page#sidebar ads?]]. --[[User:St.nerol|St.nerol]] ([[User talk:St.nerol|talk]]) 08:42, 24 April 2013 (UTC)

== Economic transparency ==

Hi! I made a request on economic transparency on the proposals page. –[[User:St.nerol|St.nerol]] ([[User talk:St.nerol|talk]]) 22:05, 27 May 2013 (UTC)

==Thumbnails are not working==
I'm relatively new here but I think each picture should get it's proper thumbnail when the original is to large to embed. Mediawiki is using some applications in the background maybe not available here. But there are some workarounds. And since "onlinehome.us" is well secured I still do even not know what OS is running in the background. But whatever the OS is, it should be solvable.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 18:13, 8 June 2013 (UTC)

== Last missing page ==

Hi, I'm hoping you don't mind about my adds to Natalie Dee. I was working on that at the same time.
BTW: Can I help you on that thumbnail issue? I really would be happy if it could fixed here.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 21:42, 18 June 2013 (UTC)
:: No problem on the Natalee Dee comic, I was just working on it because it was the last one, edit away. What's the thumbnail issue? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 21:43, 18 June 2013 (UTC)
:::Thanks for your reply. I am still talking about this: [http://www.mediawiki.org/wiki/Manual:Errors_and_symptoms#Image_Thumbnails_not_working_and.2For_appearing Image_Thumbnails_not_working]. I am sure there is a need to fix the [http://www.mediawiki.org/wiki/LocalSettings.php LocalSettings.php]. Maybe some paths are wrong or it's just using wrong image tools. I can help on any OS except Apple computers.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 22:07, 18 June 2013 (UTC)

== Congratulations! ==

You just created the last unexplained comic of ''xkcd''! [[User:Greyson|Greyson]] ([[User talk:Greyson|talk]]) 23:38, 18 June 2013 (UTC)
: Thanks Greyson! --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 03:04, 19 June 2013 (UTC)

==Math==
A lot of comics have formulae in them. Could you set $wgUseTeX = true in LocalSettings.php? That lets us use latex in pages. It'd be useful for comics like yesterday's. '''[[User:Davidy22|{{Color|#707|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 09:12, 11 July 2013 (UTC)
:Yeah, this would be nice. But you have to install an extension, LaTex must be available, then compile something, and at least adjusting the LocalSettings.php config file. We also sill do not have all image features here. But I can help, Windows or Linux.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 13:55, 11 July 2013 (UTC)
:: I'll look into it. Let me know if you find an extension that will do the trick. Send me some links to anything that would help and I can get them set up. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 14:44, 11 July 2013 (UTC)
:::Go here [http://www.mediawiki.org/wiki/Extension:Math Extension:Math] and read the installation instructions first, it's not easy. For Fedora (Linux) there is a package called "mediawiki-math.x86_64" available. I will test this at my own computer.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 15:57, 11 July 2013 (UTC)
::::It's the hell, but I got a first crappy version at my local installation. I have had to install ''latex'' and ''ocaml'' packages and now its working, but it still renders many lines before the <nowiki><math></nowiki> tag, So it's still not usable for this site.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 14:35, 13 July 2013 (UTC)
===Seeing injected banner ads?===
I'm seeing banner ads (viewing on my iPad) that cover the actual banner of the site and never scroll out of view. It's as if they've been infected by a downstream server (ISP?). Anybody else? I'm in Wisconsin using TDS. Jeff M.
: That's terrible, I've got to fix that. bah. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 18:36, 2 August 2013 (UTC)
:: Is there a place I can email some screenshots? Jeff M.{{unsigned ip|69.130.242.120}}

== Full cache kills this page ==

Hi, it seems this page was not reachable for 15 hours again. The cache here has to be cleared sometimes, but since I can do it with my account I will create a script running once per day. 15 hours outage are bad, I try to avoid this in the future. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 15:50, 3 October 2013 (UTC)
:Which page was dead? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:11, 3 October 2013 (UTC)
::The entire site was dead. Look here: [[Special:RecentChanges|Special:RecentChanges]]. My last post was at 23:44 yesterday, no actions here after my reset at 14:54 today. The site was dead. I'm not a hacker, but I'm a programmer and I used this base of knowledge to fix this problem. If you do need more details, please send me an email. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 18:25, 3 October 2013 (UTC)
::: Agreed. Tried to visit yesterday PM, but a lot of pages were spilling guts: user pages, category pages, no comic explanations (as far as I could tell with my limited browsing.) A chron-job script to keep that at bay would be good medicine, assuming it didn't have other side effects. [[User:IronyChef|IronyChef]] ([[User talk:IronyChef|talk]]) 03:19, 4 October 2013 (UTC)
I will set up a cron job running once per day. Maybe this entry at the config file [https://www.mediawiki.org/wiki/Manual:LocalSettings.php LocalSettings.php] would be the better solution:
$wgMainCacheType = CACHE_NONE;
I'm using the MidnightCommander (Linux) for editing this file.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 12:11, 4 October 2013 (UTC)
:::: Cache_None is already set in the LocalSettings. I believe this is usually a database error that we are getting. It usually resolves itself as I'm not able to resolve it myself. I believe that we are getting hit with a brute force attack at our database during those times because the database is totally unreachable. I'm working on moving to a new host where the database will be better protected. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 12:16, 4 October 2013 (UTC)
:::::Cache_None or CACHE_NONE? This should be case sensitive. Nevertheless I did purge the cache and the site was instantly available again (after approx. 15 hours). Also Davidy22 explained that he did clear the cache to bring the site back. The error messages are misleading and not showing the real problem.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 12:43, 4 October 2013 (UTC)
:::::: Yes, CACHE_NONE, sorry, I was typing fast. I've ran my clear cache script a few times when I've had that same problem and haven't seen results, so I'm glad we at least have something that's working. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 15:18, 4 October 2013 (UTC)
:::::::You are doing a great job, I feel I just have to say thanks! When the next outage does happen I will activate a small script, but for now I just try to avoid unnecessary traffic to this server.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 16:15, 4 October 2013 (UTC)
:::::::: Thanks Dgbrt! --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 18:07, 4 October 2013 (UTC)

== New host ==

Great job, but please check this link: <code>/wiki/</code>. I can browse the entire folder and more. It seems that "htaccess" should be renamed to ".htaccess".--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 08:32, 30 October 2013 (UTC)
: Oh geez. That's bad. Thanks! --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 12:02, 30 October 2013 (UTC)
:: Should be good now. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:45, 30 October 2013 (UTC)

I found an other serious issue belonging to DNS entries:
Name: explainxkcd.com
Address: 108.162.198.131
Name: explainxkcd.com
Address: 108.162.199.131
This works fine because 108.162.'''198'''.131 is correct. But most DNS servers showing up with this result:
Name: explainxkcd.com
Address: 108.162.199.131
Name: explainxkcd.com
Address: 108.162.198.131
This just leads to the old server at 108.162.'''199'''.131. Check Google DNS server 8.8.8.8 with nslookup, the wrong IP is shown first.
--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 19:34, 30 October 2013 (UTC)
: Weird... I'll research. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 19:35, 30 October 2013 (UTC)
::Yes, it's weird. After I discovered this I did enter an entry for this at my local "/etc/hosts" file. But it seems most people can not access the new site.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 20:20, 30 October 2013 (UTC)
::One more: The logo on the left top is broken. ''style="background-image: url(/wiki/skins/common/images/explainxkcd.png)'' does not exist.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 20:53, 30 October 2013 (UTC)
::: Yea, what happened to that logo... it was there this morning. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 20:56, 30 October 2013 (UTC)
::::Oh, after a computer crash I'm back. Right now even the editor is broken here. I don't know if I can send this message. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 21:22, 30 October 2013 (UTC)
:::::Ok, it does work, but all images for short cuts on top of the editor are also broken now. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 21:26, 30 October 2013 (UTC)
:::::: The editor works fine for me, I'll research the images. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 21:27, 30 October 2013 (UTC)
:::::::It seems all links like "/wiki/skins/common/images/button_bold.png" are gone. Additionally I'm getting an JavaScript error "TypeError: document.getElementById(...) is null". http://www.explainxkcd.com/wiki/skins/common/images/button_bold.png redirects me to http://www.explainxkcd.com/wiki/index.php?title=Main_Page. Maybe you still get some content, maybe cache, from 108.162.199.131? Or is the real site now on that IP? Remember, I have had to restart my computer; most of my cache is gone and I'm just seeing the real page.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 21:48, 30 October 2013 (UTC)
:::::::: I fixed the images. I did that stupidly through the htaccess page. I've got to figure a better solution for what I'm trying to do to solve another problem. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 21:58, 30 October 2013 (UTC)
:::::::::Looks great right now. So that DNS glitch seems to be the most worse problem right now.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 22:08, 30 October 2013 (UTC)
:::::::::: I think DNS is still propagating with the updates from yesterday. Not every one has the correct information yet... those two DNS IPs are the load balancers, I believe. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 22:09, 30 October 2013 (UTC)
:::::::::::Strange "load balancers", but it's working now on both IPs. Many thanks again for your hard work, you must have invested many hours on this migration. Let's see tomorrow if other users will be able to find this site again.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 22:30, 30 October 2013 (UTC)

== Please remove subaddressing from my account email [[user:tbc]] ==

Hi Jeff,

I requested a password reset, but I forgot that my account still has an old email registered: timc+explainxkcd@divide.net. My ISP, pcisys.net née divide.net, disabled subaddressing during an email upgrade earlier this year. If you will update that email to remove the plus sign so my account email is timc@divide.net, I will be able to reset my password. I was logged in from my iPad to write on the [[explain_xkcd:Community_portal/Admin_requests#Please_remove_subaddressing_from_my_account_email_user:tbc|community portal]] page, but since I needed my password, which I have forgotten, to change it, I got stuck. – ''[[User:Tbc|tbc]] ([[User talk:Tbc|talk]]) 30 Oct 2013''
: You should be good to go now. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:07, 31 October 2013 (UTC)
:: I am. Thank you! – ''[[User:Tbc|tbc]] ([[User talk:Tbc|talk]]) 05:32, 8 November 2013 (UTC)''

== Forbidden ==

You don't have permission to access /wiki/ ([http://www.explainxkcd.com/wiki/ http://www.explainxkcd.com/wiki/]) on this server. I think a simple redirect would be a better solution.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 23:45, 4 November 2013 (UTC)
: Yup, that's on my list to work on. If you are knowledgable about htaccess files, feel free to send me an email. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 13:48, 5 November 2013 (UTC)
::The first great point is: The error doesn't show the server, version, etc... A hacker can't figure what exploits are available.
::At my local test installation (Apache, Linux) it's covered by the general server configuration. And each folder simply does contain a proper "index.php" file from mediawiki doing the correct redirects.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 20:19, 5 November 2013 (UTC)
::: Fixed. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:02, 21 November 2013 (UTC)
::::Great job, thanks.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 22:18, 21 November 2013 (UTC)

== Re: the latest puzzle ==

I don't know how to contribute in the discussion section on the page, so I'm throwing ideas at you.

Just quick thoughts.
I feel like Cpl klinger and the water type kingler is too solid a connection to ignore even though I can't really use it.
Kingler was owned in the series by Ash.
Ash is a three letter word and the last three letters of the phrase monstermash.
Monsterm=8 letters so the first block ash=3 letters in the second block.
Monsterm is about the monster.com thing, therefore purloined. It's a double reference, the .co has been purloined from the purloined website.
Then blastoise -3, or rather blastois3 - 3 (mocking the common password meme of replacing letters with numbers)
So the last password, which is super hard to guess and well chosen even with the clue is, blastoisash? It's a feasibly memorable password that would not be quickly forgotten by a pokemon fan while still being hard to guess.
Can you think of a way to check it? Maybe go into the old command line xkcd and try it as a password?

==URLs==
I made them marginally shorter. Can you spot the difference? '''[[User:Davidy22|{{Color|#707|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 19:47, 9 December 2013 (UTC)
: Uh, I can't. Does that make me a bad person? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 22:17, 9 December 2013 (UTC)
::If you go to any page, you should see that it says index.php/<page name> instead of index.php?title=<page name>. Small change, I'm trying to kill the index.php bit too, but I think I suck at regexes. '''[[User:Davidy22|{{Color|#707|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 22:31, 9 December 2013 (UTC)
::: Regexes are the WORST --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 22:45, 9 December 2013 (UTC)
::::Regexes are great, but they are hard to implement for a specific solution. But Goooogle helps. And a question to Davidy22: Why you do not present your enhancement here? --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 23:10, 9 December 2013 (UTC)
:::::I set $wgUsePathInfo to true in mediawiki settings, and here's our lines for redirecting URLs in general:

RewriteCond %{REQUEST_URI} !(\.png|\.jpg|\.gif)$ [NC]
# RewriteRule ^/wiki(/.*)$ %{DOCUMENT_ROOT}/wiki/index.php$1 [L]

:::::Followed and preceded by htaccess commands that do other things. The broken line is commented out because it doesn't work. '''[[User:Davidy22|{{Color|#707|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 23:32, 9 December 2013 (UTC)
::::::Uhh, it seems I still do not understand the secret. [http://www.xkcd.com/1301] to [http://www.explainxkcd.com/1301] works fine for me, but I do not understand that [NC] here so far:
:::::::RewriteCond %{REQUEST_URI} !(\.png|\.jpg|\.gif)$ [NC]
::::::maybe
:::::::RewriteCond %{REQUEST_URI} !(\.png|\.jpg|\.gif)$[NC]
::::::is better. But this means every request not matching those three image extensions would fit that rewrite rule. This is just haaardly regex. The second line is just a comment you probably did remove. I can't see the rewrite rule. And testing for a simple number x, xx, xyz, or xyzz would be better.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 00:23, 10 December 2013 (UTC)
::::::::That's an entirely different rewriterule that does actually work and was deployed long ago that I didn't print here. I'm talking about a general-purpose rewrite that redirects from explainxkcd.com/wiki/<page name>, which I attempted to create in the commented-out line. The image exclusion is to stop image display requests from also being redirected, and I don't think you quite get how rewrite rules work. Not *every* page is fitted to every rewrite rule; the first half of the rule describes the conditions in which the rule should be applied. And yeah, just plugging in page names works, but I kinda don't want to hard-code every possible page redirect into our htaccess file. That's what the regex is for. '''[[User:Davidy22|{{Color|#707|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 00:51, 10 December 2013 (UTC)

== /r/xkcd sitenotice ==

Could you please remove the sitenotice linking to and promoting /r/xkcd? [[User:Davidy22|Davidy22]] added it to the sitenotice and cross-posted to reddit. Unfortunately, h/r/xkcd sub is controlled by /u/soccer, who links to racist, xenophobic and misogynistic content regularly. [http://www.reddit.com/r/anonymous123421/comments/1w8aie/petition_to_reinstate_uwyboth_as_a_mod_of_rxkcd/cezp63m Randall has spoken in support] of a petition for /u/soccer to be removed as a mod. /r/xkcdcomic is a non-hateful alternative, one that Randall supports, and it has more users than /r/xkcd.

I did comment on Davidy22's talk page, but I thought I should drop you a line as well. Thanks, [[User:LadyMondegreen|LadyMondegreen]] ([[User talk:LadyMondegreen|talk]]) 13:55, 2 May 2014 (UTC)
: Hi LadyMondegreen did he change it already? I didn't touch it yet, but it shows /r/xkcdcomic for me. I agree with you completely and I'm sorry if we linked to the wrong subreddit, even momentarily. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 14:50, 2 May 2014 (UTC)
::It never linked to /r/xkcd. I think LadyMondegreen misread it or something. '''[[User:Davidy22|{{Color|#707|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 01:41, 3 May 2014 (UTC)
:::Yeah, that was my bad. Someone pointed it out to me on IRC and I guess I didn't look closely enough. Sorry about that. [[User:LadyMondegreen|LadyMondegreen]] ([[User talk:LadyMondegreen|talk]]) 19:36, 6 May 2014 (UTC)

== MediaWiki question ==

Out of curiosity, do you ever have a plan to add other skin options, like Monobook? [[User:Schiffy|Schiffy]] ([[User_talk:Schiffy|Speak to me]]|[[Special:Contributions/Schiffy|What I've done]]) 21:40, 31 July 2014 (UTC)
:A fair number of other skins were cut because they broke our sidebar, and others were cut cuz they were ugly and no one used them. If there's demand for them, they could be brought back though; you just want Monobook? '''[[User:Davidy22|{{Color|#707|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 18:06, 2 August 2014 (UTC)
::Mainly, yes. From a personal standpoint, I find Vector fairly ugly. CologneBlue and Modern aren't much better. Monobook is my preferred alternative. I can't speak for majority of users on explainxkcd, but I do know there are a number of people who prefer Monobook to other skins. [[User:Schiffy|Schiffy]] ([[User_talk:Schiffy|Speak to me]]|[[Special:Contributions/Schiffy|What I've done]]) 21:56, 3 August 2014 (UTC)
:::Fair enough. Monobook is back. Tell me if anything is wonky with our customisations, and I'll fix it.'''[[User:Davidy22|{{Color|#707|David}}y²²]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 01:56, 4 August 2014 (UTC)

== IP Address glitch ==

There appears to be a problem with the way that this site fetches users IP addresses! My IP address, as confirmed by whatismyip.com and other wikis, is 24.15.68.186! However, this site believes it to be 108.162.237.130! When I look up the incorrect IP address, it appears to be registered to CloudFlare. Is there anything you can do to resolve the situation? I don't want to get confused with a spambot and accidentally blocked! Thank you! [[User:The Wikiator|The Wikiator]] ([[User talk:The Wikiator|talk]]) 00:26, 19 April 2016 (UTC)
:This is a [[explain xkcd:Community portal/Technical#Wrong IP address shown|known issue]]. [[User:Markhurd|Mark Hurd]] ([[User talk:Markhurd|talk]]) 11:06, 19 April 2016 (UTC)

== Crash ==

Cool, I was worried for a bit that Explain Xkcd was down. By the way, I found the URL for a [http://c.xkcd.com/random/comic random comic] and a [http://www.explainxkcd.com/wiki/index.php/Special:Random random explained comic]. [[User:SilverMagpie|SilverMagpie]] ([[User talk:SilverMagpie|talk]]) 16:48, 12 May 2017 (UTC)

== A problem with a thing ==

Hi, I'm a new user on this site, and for some reason I can't make my own user page because I don't have permission. Plz help me!

[[User:Timeflow X|Timeflow X]] ([[User talk:Timeflow X|talk]]) 10:52, 21 June 2017 (UTC)

: Weird - it works for me. I edited your user page, see if you can edit it now that its created? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 12:44, 21 June 2017 (UTC)

== LocalSettings.php ==

Please set "$wgUseInstantCommons = true;" in LocalSettings.php. We have still pictures with red links here. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 15:39, 22 July 2017 (UTC)
: Done --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 00:40, 26 July 2017 (UTC)
::Thanks, but it's not working as expected: [[File:Button sig.png]]. It should show this picture: [https://commons.wikimedia.org/wiki/File:Button_sig.png https://commons.wikimedia.org/wiki/File:Button_sig.png].--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 14:44, 26 July 2017 (UTC)
::: Ok, I'll take a look again when I can, is there anything else I need to do? Like add an extension? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 02:32, 1 August 2017 (UTC)
::::Are we on MediaWiki version 1.16 or later? If not "$wgForeignFileRepos" would be the solution. But if the version is ok it's probably an https related problem: [https://www.mediawiki.org/wiki/InstantCommons#HTTPS InstantCommons#HTTPS]. Maybe this helps.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 12:39, 1 August 2017 (UTC)
:::::'''Solved.''' As you can see above. I've had to update the ca-certificate package. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 23:56, 25 May 2018 (UTC)

== Email coming from a non-existent domain ==

The "confirm email" button sends email from "expla0@vps.explainxkcd.com". The vps.explainxkcd.com domain doesn't exist (according to CloudFlare's DNS servers). Some email servers (including sendmail's default configuration; see https://www.sendmail.org/~ca/email/doc8.12/cf/m4/features.html#accept_unresolvable_domains) will reject such emails. I haven't tested password recovery emails, but I wouldn't be surprised if the same problem exists there too. In my case, I've added "vps.explainxkcd.com" to my access database, but whom should I talk to about fixing the sent email? [[User:Piquan|Piquan]] ([[User talk:Piquan|talk]]) 02:44, 11 February 2018 (UTC)
: The emails that I get when someone edits my talk page are: explain@explainxkcd.com and both settings in the localsettings.php are set to:$wgEmergencyContact = "explain@explainxkcd.com";$wgPasswordSender = "explain@explainxkcd.com"; but there might be a third one that catches those types of emails so I added $wgNoReplyAddress = "explain@explainxkcd.com"; Let me know if that fixes it. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 02:58, 13 April 2018 (UTC)
::I've send you an email from here: [[:Special:EmailUser/Jeff]]. I also requested a copy to me and that was more than two hours ago. But nothing happened and I'm sure you also didn't receive a mail. By having access to the log-files I'm sure I would figure out the problem. BTW: My last mail from here was in February. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 14:55, 13 April 2018 (UTC)
Ok, problem partly solved; my mails went into the Spam folder eventually meaning no notification to me. The reason is in fact what [[User:Piquan|Piquan]] has told in the initial comment. The mails are delivered via a mail server "vps.explainxkcd.com with local (Exim 4.80.1)" (belonging to Lunar Pages/Cloudflare) while the MX entry for explainxkcd.com is "mail.explainxkcd.com". There are two possible solutions, but the first is highly recommended:
*Lunar Pages/Cloudflare have to change the rewriting rules at their Exim message transfer agent to an existing domain name. This would be in this case "mail.explainxkcd.com".
*The name "vps.explainxkcd.com" must resolve to the IP 67.210.100.50 (we must hope that will not change in the future) AND there must be a second MX entry in the name registry for "explainxkcd.com" to "vps.explainxkcd.com". But I predict this would cause new problems in the future.
The FROM line in the mail header (e.g. From: Dgbrt <my.name@mail.com> or something like <explain@explainxkcd.com>) is irrelevant because only the message agents needs a proper configuration. My former mail servers also rejected those corrupt mails; google mail just puts it into a spam folder. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 18:43, 13 April 2018 (UTC)

== ReCaptcha v1 is going away ==

As I was posting an earlier comment, the reCAPTCHA told me:
"V1 UNSUPPORTED - Please direct siteowner to g.co/recaptcha/upgrade". (I typed "V1 UNSUPPORTED" in the box and it worked.) It looks like the reCAPTCHA that's currently being used by the wiki is sunsetting on 31 March 2018 (in a month and a half, as of this writing), and so they're currently sending a small percentage of requests that notice instead of a CAPTCHA challenge. Thought I'd let you know. [[User:Piquan|Piquan]] ([[User talk:Piquan|talk]]) 02:55, 11 February 2018 (UTC)

Someone else has already mentioned that in the admin forum, but no one replied. I really think we should create a new forum for requests like that, as not many people visit that forum now. And at the time of this comment the CAPTCHA has expired. [[User:Herobrine|Herobrine]] ([[User talk:Herobrine|talk]]) 07:40, 8 April 2018 (UTC)
: That's on me, I'm working on it. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 12:03, 12 April 2018 (UTC)
::That's great, please also fix the email issue (section above). --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 12:15, 12 April 2018 (UTC)

Please reactivate the corrupt captcha or disable IPs from editing. We already have vandalism (see history at [[1031]])! --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 14:58, 12 April 2018 (UTC)
: Well, that was stupid. It's back on now. I'm going to fix it, but I can't fix it right now so I'll leave the broken one on. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 15:20, 12 April 2018 (UTC)
::Thanks, a day or one more are not a problem yet. But maybe you should change the Sitenotice on top so that others can see that work is in progress. Nevertheless I would talk to you about some general issues here, so when you have time please contact me on my talk page. Maybe you remember that I've had a test-wiki at home to test my BOT. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 15:58, 12 April 2018 (UTC)

== A Couple of Issues ==

1. Google seems to have changed something in AdSense again, and the ads have been appearing in random positions again since December, 2019. [https://wpadvancedads.com/adsense-in-random-positions-auto-ads/ This page] might have a solution? It's been quite a while, and the ads are still broken.
2. New site called xkcd.wtf is blatantly stealing/scraping explanations from our site and posting it with a new theme. Not sure if it's a mirror or just Ctrl+C Ctrl+V. Is this even legal? [[User:Herobrine|Herobrine]] ([[User talk:Herobrine|talk]]) 09:32, 4 April 2020 (UTC)
: Google keeps killing me with these. I'll see what I can do. Not sure about the page copying. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:32, 5 February 2021 (UTC)
:: looks like xkcd.wtf at least links to us and references us at the bottom since all of our stuff is CC licensed. Pretty friendly all things concerned. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:54, 5 February 2021 (UTC)

== Randall's NYT Columns ==
Hi, In June I posted a proposal on the community portal ([[explain_xkcd:Community_portal/Proposals#New_page_for_Randall.27s_regular_column_in_the_New_York_Times |New page for Randall's regular column in the NY Times]]) and I was sort of hoping to get feedback. The proposal does include a script for the page.

I'm not sure where the page would go or be linked from, but it would be similar to our page about [[whatif|what if?]]. Perhaps the see also sections of the [[Randall Munroe]] page and the [[xkcd]] page.

BTW Jeff, our own links to our [[whatif|what if?]] page don't work, because the page name ends with a question mark, which messes up the browser (or maybe the Wiki software). The link I gave in the previous sentence does work, but when you get to the page and ask for what links here, that fails. ([https://www.explainxkcd.com/wiki/index.php/Special:WhatLinksHere?target=what_if%3F&namespace%3D This, however] does work as an external link.) Probably need to rename the page to not include a question mark. But anyway. [[User:JohnB|JohnB]] ([[User talk:JohnB|talk]]) 16:54, 7 July 2020 (UTC)
:Every mod has LANCBed (leave and never come back). Nothing can be fixed. — [[User:Sqrt-1|The 𝗦𝗾𝗿𝘁-𝟭]] [[User talk:Sqrt-1|talk]] [[Special:Contributions/Sqrt-1|stalk]] 14:25, 18 January 2021 (UTC)
::SlashMe is still active, but he doesn't have server access. I think Dgbrt has server access as well, and I left a comment on his talk page in the hopes that he'll reply (but he hasn't been active in a while). [[User:Herobrine|Herobrine]] ([[User talk:Herobrine|talk]]) 02:16, 5 February 2021 (UTC)
::: Sorry guys. I'm here. I can take a look at this for you. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:32, 5 February 2021 (UTC)
:::: Keep commenting here guys, because this notifies me. Life is nuts right now so my time is crazy. Send anything you need done. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 16:40, 5 February 2021 (UTC)
::::: Thanks so much Jeff, this is very appreciated! Re: the "what if" errors, if it's at all helpful:
:::::: * The "<code>No input file specified</code>" error seems to happen for pages that end in question marks or have special characters like "é" in their name. A list of such pages is [[explain xkcd:Community portal/Technical#Known broken pages|here]].
:::::: * A possible solution is mentioned [[mw:Manual talk:Short URL/Page title -- Windows & Apache without 403 on Special Pages|here]] in the MediaWiki manual talk pages, involving [https://www.php.net/manual/en/ini.core.php#ini.cgi.force-redirect CGI settings in php.ini] (for IIS) or [https://httpd.apache.org/docs/current/mod/mod_rewrite.html#rewriterule mod_rewrite settings in .htaccess] (for Apache). (Not sure if that's valid, or if there are any security/stability side-effects/consequences of that.)
:::::: * As a workaround in the meantime, [[User:Sqrt-1]] has moved/renamed the "[[what if?]]" page to "[[what if]]" to make it easier to get to.
:::::: * (If you're interested, there's a whole section about it in the Technical community portal [[explain xkcd:Community portal/Technical#Unable to view "what if?" page|here]].)
::::: – [[User:Yfmcpxpj|Yfmcpxpj]] ([[User talk:Yfmcpxpj|talk]]) 17:41, 5 February 2021 (UTC)

: Re: Randall's New York Times columns, just a note that [[User:JohnB]] has created a page for this at [[New York Times: Good Question]]. – [[User:Yfmcpxpj|Yfmcpxpj]] ([[User talk:Yfmcpxpj|talk]]) 17:41, 5 February 2021 (UTC)

== Main page ==

Hi!

You might have accidentally vandalized the main page.

https://www.explainxkcd.com/wiki/index.php?title=Main_Page&type=revision&diff=205838&oldid=158337

--[[Special:Contributions/162.158.238.8|162.158.238.8]] 20:28, 5 February 2021 (UTC)
:That literally made me jump out of my seat. Like, what the hell just happened here?! — [[User:Sqrt-1|The 𝗦𝗾𝗿𝘁-𝟭]] [[User talk:Sqrt-1|talk]] [[Special:Contributions/Sqrt-1|stalk]] 13:12, 8 February 2021 (UTC)
::I just realised, the main page has been this way for 3 days?! — [[User:Sqrt-1|The 𝗦𝗾𝗿𝘁-𝟭]] [[User talk:Sqrt-1|talk]] [[Special:Contributions/Sqrt-1|stalk]] 13:12, 8 February 2021 (UTC)
::: Reverted. Whoops, I must have read that one wrong. That's what I get for reading too fast. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 14:41, 8 February 2021 (UTC)

== Two issues that may need to be solved ==

Few more issues that may need to be solved:

1. Google ads are still appearing in random locations on wiki pages. Have you tried the [https://wpadvancedads.com/adsense-in-random-positions-auto-ads/ potential solution] I mentioned earlier? (It seems to be the most plausible explanation for the broken ads, and the time the changes happened was when the ads started appearing in random locations and breaking the pages.) If the previous solution I mentioned above didn't work, would it be possible to turn off the ads until there's a solution? The ads have been running rampant for more than a year in staggering amounts, the generated revenue should be enough to cover server costs until we can figure out a way to fix it, right?

2. Another editor mentioned a potential problem regarding the MediaWiki version in the community portal:
This wiki is [[Special:Version|currently]] on [[mw:MediaWiki 1.30|MediaWiki 1.30.0]] ([[mw:Release notes/1.30|release notes]]), the first of three releases of a version of MW that reached end-of-life in June of 2019 ([[mw:Version lifecycle]]). It's thus missing multiple important security updates from 1.30.1 and 1.30.2, not to mention the two years' worth of security updates since 1.30.x reached end-of-life. Even 1.31.x will be reaching end-of-life in just over a month.
If the sysadmins here update to [[mw:MediaWiki 1.35|MediaWiki 1.35.2]] ([[mw:Release_notes/1.35|release notes]]), that version will be maintained till September of 2023, with only a few security updates in the meantime. I would '''strongly''' encourage y'all to update to 1.35.2; to promptly update if there's a .3, .4, etc.; and to make sure you switch to the next LTS release (which will presumably be 1.39) well in advance of September of '23. (Note that this will also require updating to PHP 7.3.19 or later.) [[User:PinkAmpersand|PinkAmpersand]] ([[User talk:PinkAmpersand|talk]]) 07:17, 30 April 2021 (UTC)

Thanks! [[User:Herobrine|Herobrine]] ([[User talk:Herobrine|talk]]) 04:54, 10 May 2021 (UTC)
: Google ads should be reverted to one (or turned off), either way I turned off the annoying "auto ads" that jump all over the place. Not sure how that got turned on in the first place. I agree we are way behind on versions. If you or anyone knows PHP and Mediawiki upgrades better, let me know - because I don't have the time to apply to this currently. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 13:45, 10 May 2021 (UTC)

:: There’s a [[mw:Manual:Upgrading|manual for upgrading on the Mediawiki website]]. It appears we don’t need anything more than backing up, updating to 1.35 and updating to 1.39LTS or 1.40. [[User:Aaron Liu|Aaron Liu]] ([[User talk:Aaron Liu|talk]]) 17:31, 12 October 2023 (UTC)

== RenameUser extension ==

Hi Jeff! Long time no talk :)

[[#I am really dumb|A while ago]] I suggested that the [[mw:Extension:RenameUser|RenameUser]] extension could be helpful to have installed in the wiki. Since then I happened to perform a username unification across my online accounts, including changing my Wikipedia username from "Waldir" to "Waldyrious" (thus matching my Twitter, GitHub, etc.). Would you consider installing the extension so that my username (and others, like [[User:.mau,]] above and [[User:Nk1406]] [[explain xkcd:Community portal/Admin requests#Altering Username|here]]) could be changed? --[[User:Waldir|Waldir]] ([[User talk:Waldir|talk]]) 12:31, 4 December 2021 (UTC)

== Lost Account ==

Hi, Jeff. I was directed to you by Davidy22 in regards to my issue as it seems you have the ability to view the backend.

I joined this site in 2013 IIRC, I made a few edits/posts and then forgot about the account for a good 9 years. I came back and attempted to login but of course by now I forgot my password and I went through a few computers, browsers, and OSs so it wasn't saved. I've also been through a number of email addresses, most of which are still active and secondary under my current address. I was hoping I could provide you a list of emails I had used around that time and maybe I can regain access to the account that way.

My username here is PheagleAdler.

== Vandalism ==

Yo - Not sure if your talk page gets any special alerts, but in case it does: front page has got a good ol' vandal war goin' on. --[[User:SgtLion|SgtLion]] ([[User talk:SgtLion|talk]]) 21:37, 20 July 2022 (UTC)
: What do you need? I'll grant the rights. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 00:44, 26 July 2023 (UTC)
::Another vandal war going on, this time there's a guy going around with IPs putting gore images on everything./ [[User:84596Gamma|84596Gamma]] ([[User talk:84596Gamma|talk]]) 00:48, 26 July 2023 (UTC)
::: How can I help? --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]])

== You've got mail ==

Hi Jeff.

I just sent you an email via the "Email this user" function, and I wanted to let you know in case you miss it, or it gets filtered out since I am a new user.

Thanks, --[[User:DanielWTQ|DanielWTQ]] ([[User talk:DanielWTQ|talk]]) 19:45, 2 April 2023 (UTC)

: What do you need? Let me know. Sorry didn't get the email. --[[User:Jeff|Jeff]] ([[User talk:Jeff|talk]]) 00:45, 26 July 2023 (UTC)
:: Hi Jeff. First I wanted to thank you for the existence of this wiki - I have read through all of the XKCD comics, and am not ashamed to admit there were more than a few that I needed the explanations in order to understand.
:: I work as a Technical Project Manager at [https://www.wikiteq.com/ WikiTeq], a MediaWiki consulting firm, and I wanted to reach out and offer our services. I noticed on your user page that you are "learning MediaWiki on the fly" and that there are a few things that need to be upgraded for the wiki to migrate to a newer version of MediaWiki. At WikiTeq we have plenty of experience with upgrading wikis, and would be able to help you out.
:: If you would be interested in learning more or discussing this further, I can be reached at <code>daniel{at}wikiteq.com</code> or via [[Special:EmailUser/DanielWTQ]].
:: Thanks, --[[User:DanielWTQ|DanielWTQ]] ([[User talk:DanielWTQ|talk]]) 04:28, 26 July 2023 (UTC)

== Staying an admin ==

Hi, Jeff. Yes: I'd like to keep being an admin. Thanks. -- [[User:Dtgriscom|Dtgriscom]] ([[User talk:Dtgriscom|talk]]) 13:12, 30 July 2023 (UTC)
: Well, when you get to it... -- [[User:Dtgriscom|Dtgriscom]] ([[User talk:Dtgriscom|talk]]) 12:44, 3 August 2023 (UTC)

== We need at least one committed bureaucrat ==

Hi, Jeff. It's been two months since I asked to stay an admin, and there's been no word. It's possible you've changed your mind on promoting me, but it seems much more likely that you just haven't been around.

You and Lcarsos are the only bureaucrats on this wiki. You haven't contributed since May 2022 (excepting briefly during the recent vandalism explosion); Lcaros hasn't contributed since November 2021. That's fine, but it leaves the wiki unable to cope if there's another vandalism spree.

Would you please promote at least one active user to bureaucrat status? That way the community can adapt when a new attack comes, or if there are other admin tasks and no active admins around. (Thanks.) -- [[User:Dtgriscom|Dtgriscom]] ([[User talk:Dtgriscom|talk]]) 13:02, 10 September 2023 (UTC)

:While I've not been active for some time, a bit of casual browsing suggests that [[User:Dtgriscom]] is correct and there should be additional 'crats, and more than one - when everyone's a part-timer, you need more people to help out. [[User:Davidy22]] and [[User:Kynde]] are obvious candidates, though there may be another I've missed.

:Right now it looks like "This is Jeff's Wiki" is being designated through the fact that you're the only active 'crat, but this could also be designated by a Founder and/or Steward userright or even by a note on the Main Page or on the Community Portal, freeing the 'crat tag for use by other active users.

:P.S. [[User:TheusafBOT]] should probably be flagged as a bot, since it's been operating as one. [[User:Markhurd]] should be de-sysopped, since he is [[wikipedia:Wikipedia:Deceased Wikipedians/2017#Mark Hurd (Markhurd)|confirmed to have passed away]]. For that matter, I should probably be de-sysopped, since I only edited 7 times in the past decade and have<s>n't</s> used the tools once in that time. --– ''[[User:Philosopher|Philosopher]]'' [[User talk:Philosopher|Let us reason together.]] 10:58, 28 November 2023 (UTC)

== Wiki needs to be updated ==

Hello! I'm new to the site, but I noticed that you're running a very old version of MediaWiki. I would strongly suggest that you update if at all possible. I myself am the admin for a MediaWiki website as well, and although the upgrade process isn't exactly what I'd call easy, at least compared to updating most apps; it's by no means challenging. I was able to do a complete version upgrade in under an hour, with no previous experience updating a MediaWiki installation. Admittedly, I do have a lot of experience with maintaining linux servers in general, but not much knowledge is required. There is a very complete guide on upgrading. https://www.mediawiki.org/wiki/Manual:Upgrading I don't think upgrading the system would take more than one afternoon of your time, (although upgrading all of the extensions might take a bit longer, depending on how well their config options work across different versions) and it would help a lot with improving user experience and fixing many security vulnerabilities. Of course, you should also update PHP and any other software on the server. Yes, all of this combined will take time, and the site will probably have to be shut down for maintenance for a while, maybe a few days. However, in my opinion, it's worth it - either update now, or keep putting it off until the server gets hacked, or something else bad happens. You don't want to be this guy: https://xkcd.com/1328/ [[User:Obwankenobi|Obwankenobi]] ([[User talk:Obwankenobi|talk]]) 19:47, 9 February 2024 (UTC)

time

2024-07-24T14:27:44Z

172.70.162.18:

#REDIRECT [[1190: Time]]
[[Category:Pages to delete]]

2960: Organ Meanings

2024-07-19T13:19:45Z

172.70.162.18: /* Explanation */

{{comic
| number = 2960
| date = July 17, 2024
| title = Organ Meanings
| image = organ_meanings_2x.png
| imagesize = 407x346px
| noexpand = true
| titletext = IMO the thymus is one of the coolest organs and we should really use it in metaphors more.
}}

==Explanation==
{{incomplete|Created by a BOT'S PINEAL GLAND - Please change this comment when editing this page. Do NOT delete this tag too soon.}}
This is a graph by [[Randall]] ranking how well he understands the function of certain human organs, compared to how much he understands {{w|metaphor}}s using them. 

A number of organs (and other body parts) are used in common vernacular for metaphorical meaning. The English language is full of sayings like "she had a lot of heart", "go with your gut", and "he hasn't got the stomach for it". One might expect understanding an organ's role and its use in metaphor to be strongly correlated, since the metaphors generally work by drawing a parallel to biological function. However, since our understanding of biological functions has evolved dramatically over time, and metaphorical language does not always keep up, the correspondence is often much looser. To complicate matters, many such anatomical metaphors vary from culture to culture, even though the biological functions remain largely consistent.{{Citation needed}}

The {{w|pineal gland}}, located in the center of the brain, was described as the "Seat of the Soul" by the {{w|Mind–body dualism|mind-body dualist}} {{w|René Descartes}} in the 17th century. If this was true, the metaphors that might be derived from it would be quite clear. It was only in the mid-20th century that its real neuroendocrine (hormone-producing) biological role was grasped. Thus, the real meaning of the metaphor "the pineal gland of something" is uncertain, as is its actual function for the layman. It was also described as a "third eye", as its regulation of the circadian rhythm used to be linked to light perception in the organ, and still is in {{w|Tuatara|Tuataras}}. It is also jokingly stated as still the location of the soul within discordianism.

The {{w|thymus}}, highlighted in the title text, plays an important role in the immune system. It is not commonly used in metaphors,{{Citation needed}} but is perhaps ripe for use in ones describing such things as resilience, indomitability, and adaptability to changing circumstance, were more people to know what it was.

{| class="wikitable" style="margin:auto"
|-
! Organ !! Biological understanding !! Metaphor understanding !! Biological function !! Metaphor meaning(s) !! Comments
|-
| {{w|Appendix_(anatomy)|Appendix}} || 3% || 85% || Maintaining gut flora, introducing pathogens to the immune system || Uselessness; extraneousness || The appendix is vestigial and was long assumed to have no useful function, and thus could be removed with minimal consequences. Modern research has shown that it retains utility as reservoir for useful micro-organisms. It is also unclear whether metaphorical usages have in mind the body part, or the alternative usage referring to a part of a publication.
|-
| {{w|Nerves}} || 40% || 90% || Sensing stimuli, and controlling muscles and organs || Courage; lack of courage; unsettledness; arrogance; (emotional) feeling ||
|-
| {{w|Spine}} || 50% || 80% || Holding other bones up, protecting the spinal cord || Courage; resoluteness; structural integrity; centrality ||
|-
| {{w|Heart}} || 80% || 90% || Circulation of blood || Emotion; feeling; sympathy; love; courage; resilience; core; essence; the vulnerable self || The function of the heart is (relatively) easy to understand, since it is, in essence, a circulatory pump. But it's long been culturally associated with emotion and resolve.
|-
| {{w|Bones}} || 75% || 80% || Holding the body up, protection of underlying organs || Basic/underlying structure; something hidden; core; essence; an issue of debate || Bone marrow is the actual source of blood, associated with {{w|four humours|sanguine moods}}, previously believed to be created in the liver ||
|-
| {{w|Stomach}} || 70% || 65% || Repository for cake and other, less important, foods || Ability to tolerate unpleasant circumstances; motivation || The stomach's primary function is as part of the digestive system, but it's often one of the first organs impacted by illness or disgust, which has made a strong stomach a metaphor for constitution and resolve.
|-
| {{w|Liver}} || 10% || 48% || Processing alcohol and other less important metabolic functions like glycemia regulation, toxin processing, decomposition/production of amino acids and lipids, etc. || Courage or lack thereof (e.g., lily-livered) || Actual source of yellow bile, stored in the gall bladder, associated with {{w|four humours|choleric moods}} but previously believed to be the source of blood ||
|-
| {{w|Lungs}} || 60% || 52% || Oxygenation of blood, exhalation of carbon dioxide || Loudness (e.g., of singing); purification; aerobic stamina || Source of phlegm, associated with {{w|four humours|phlegmatic moods}} ||
|-
| {{w|Spleen}} || 22% || 34% || Storing extra blood, filtering blood for damaged cells and pathogens || Anger; viciousness || Source of black bile, associated with {{w|four humours|melancholy}} ||
|-
| {{w|Thymus}} || 10% || 13% || Training immune cells (T-Cells) || ||
|-
| {{w|Kidneys}} || 47% || 19% || Filtering blood for metabolic wastes and excess minerals || ||
|-
| {{w|Pineal gland}} || 2% || 2% || Produces melatonin || || Philosophers from Herophilus to Descartes speculated that the pineal gland might be the seat of the soul, or regulate the flow of vital spirits, or otherwise serve an important metaphysical function.
|-
| {{w|Tongue}} || 70% || 5% || Taste, chewing, speaking || Language; unidentified speakers (particularly in relation to gossip/secrets); something long and extended ||
|}

As [[Randall]] does not provide any examples, only his general ratings, it is not entirely clear whether he has restricted himself to metaphors drawing upon the nature of organs (e.g. "heart of the city" or "bone dry") and/or metaphorically describing these organs in terms of another idea ("a heart of gold" or "his bones turned to jelly"). As well as metaphor, the assesment might also involve all closely related (or overlapping) rhetorical devices such as {{w|simile }} ("his heart fluttered like a butterly"), {{w|metonymy}} ("my mother tongue") or other references with an intent more figurative than literal ("he was a bundle of nerves"). As such, any contributed examples given here could be disputed in all but the broadest of terms.

==Transcript==
:[A graph is shown with X and Y-axis without arrow or ticks. To the left of the Y-axis and below the X-axis there are labels with an arrow pointing up from the top of the Y-axis label and an arrow pointing right above the X-axis label, just beneath the x-axis.]
:Y-axis: How well I understand what it means when used in metaphors
:X-axis: How well I understand its actual biological function

:[On the graph is a scatter plot with 13 labels. Each label is written inside a line that goes just around the words. There are most in the top right corner, but they are spread all over the graph. Here in approximate reading order from top left with indicating of where on the graph the words are located:]
:[Top left:]
:Appendix
:[Top middle:]
:Nerves
:Spine
:[Top right:]
:Heart
:Bones
:Stomach
:[Center left:]
:Liver
:Spleen
:[Center right:]
:Lungs
:[Bottom left:]
:Thymus
:Pineal gland
:[Bottom middle:]
:Kidneys
:[Bottom right:]
:Tongue

{{comic discussion}}

[[Category:Scatter plots]]
[[Category:Rankings]]
[[Category:Biology]]
[[Category:Language]]

2959: Beam of Light

2024-07-16T08:24:28Z

172.70.162.18: /* Explanation */

{{comic
| number = 2959
| date = July 15, 2024
| title = Beam of Light
| image = beam_of_light_2x.png
| imagesize = 235x419px
| noexpand = true
| titletext = Einstein's theories solved a longstanding mystery about Mercury: Why it gets so hot. "It's because," he pointed out, "the sun is right there."
}}

==Explanation==
{{incomplete|Created by a BOT FLYING ALONGSIDE A BEAM OF LIGHT - Please change this comment when editing this page. Do NOT delete this tag too soon.}}
{{w|thought_experiment|Thought experiments}}, such as those posited by {{w|Albert Einstein}} to illustrate the principles of {{w|Special Relativity}} (that deals with the interactions between high speeds and the perceptions of time), can sometimes reveal what appear to be fundamental principles of the universe that can revolutionise scientific understanding. But it is not always so. In this comic, we find Einstein imagining the scenario that would later help to make him famous, but before any particularly profound revelations have been established. It is currently just, so to speak, a flight of fantasy.

In a similar vein, one of the long-standing issues about the orbit of Mercury is that it doesn't ''quite'' orbit the Sun in the way that Newtonian physics would suggest. We now know that this is accounted for by {{w|General Relativity}}, another of Einstein's suggestions (that relates to the effects of gravity upon time perception), but we once more find ourselves overhearing his thoughts well before we get anywhere near any developments that we know will start to explain this, and is stuck at just 'imagining' that Mercury is hot due to its proximity to the Sun, which isn't a particularly novel or useful conclusion, or close to what we would now recognise as Einstein's much lauded theory.

The largely irrelevant (at least in any basic terms of Relativity) issue of the heat from the Sun would seem to have more relevance to the {{w|Kelvin–Helmholtz mechanism}}, at one time proposed as the cause of the Sun's heat but superseded by the eventual discovery and understanding of nuclear fusion, or the {{w|Yarkovsky effect}}, in which thermal effects were shown to have an influence upon the orbital dynamics of minor bodies. Neither of these things were the focus of Einstein's own studies.

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}
:[Albert Einstein sitting on a chair, with a thought bubble above his head.]
:Einstein: ''Nyoooooooooom!''
:Einstein: I'm so fast!
:Einstein: ''Nyyooooooooom!''

:[Caption below the panel:]
:The first few times Einstein imagined flying alongside a beam of light, he didn't have any particular insights.
{{comic discussion}}

[[Category:Comics featuring real people]]
[[Category:Physics]]

249: Chess Photo

2024-07-15T19:27:59Z

172.70.162.18: Undo revision 346419 by 172.70.178.14 (talk) No. Staring at the camera is what other riders are likely to be doing. Clearly the concept here is they are contemplating the 'chess game'...

{{comic
| number = 249
| date = April 16, 2007
| title = Chess Photo
| image = chess_photo.png
| titletext = We once tried playing blindfold chess on the Aerosmith ride at Disney World.
}}
==Explanation==
A {{w|roller coaster}} is a kind of thrill ride where a small train carries people through a number of twists, turns, and hills at a high speed to the occupants' great delight. Such rides are popular at amusement parks, where people have to wait in long lines to get on a ride that can last less than two minutes.

Many amusement parks have a spot where they take souvenir pictures as you are experiencing the ride. After you get off the ride, you can buy one picture or a set of pictures to commemorate riding the roller coaster. These pictures usually have people with their hands up, yelling and screaming. Wind may be going through their hair as they pass through the air at high speeds.

[[Cueball]] is subverting the usual 'souvenir picture pose' by gluing chess pieces to a board and then staring at the board when the picture is taken. He {{tvtropes|DissonantSerenity|stands out in the picture as a calm person}} studiously studying a chess problem while everyone else yelps and whoops with excitement.

The title text refers to blindfold chess, which doesn't require any actual blindfold, it's just called that because the two players don't need a board and just communicate their moves. This would of course be impossible to photograph. This might also be a pun on actually not being able to see while playing chess, as the Aerosmith ride (officially the {{w|Rock 'n' Roller Coaster Starring Aerosmith}}) is indoors and not lit up, making it extremely hard to see anything while on the ride.

==Transcript==
:[Cueball sits at a desk with glue, chess pieces, and a chessboard, while his Cueball-like friend looks over his shoulder.]
:Friend: What are you doing?
:Cueball: Gluing down chess pieces.
:Friend: Why?
:Cueball: Because there's a picture I've always wanted... I'll need your coat to sneak this onto the ride.
:[A photograph of a roller coaster ride with Cueball sitting in the first car, chin in hand, thinking over the chessboard and the rest of the people screaming with their hands up. The photograph has "Mega Coaster 3000 souvenir photo" written on the bottom margin.]

==Trivia==
*This comic [http://xkcd.com/chesscoaster/ inspired people to try this in real life], to awesome effect.
*This comic is referenced in the bonus panel for [http://www.mrlovenstein.com/comic/113#comic this comic.]

{{comic discussion}}
[[Category:Comics featuring Cueball]]
[[Category:Chess]]
[[Category:Comics with color]]
[[Category:Photography]]

Talk:2957: A Crossword Puzzle

2024-07-11T08:17:28Z

172.70.162.18:

compare https://www.buttersafe.com/2011/02/17/crosswords/ --[[Special:Contributions/162.158.158.236|162.158.158.236]] 20:50, 10 July 2024 (UTC)
:randall has now updated the header for this comic to "Today's comic accidentally inspired by this Buttersafe comic from 2011!" and i feel bad for having spotted the similarity and commented on it within 1 minute of this page's creation --[[Special:Contributions/162.158.62.248|162.158.62.248]] 03:48, 11 July 2024 (UTC) (same anon as above)

it's *A* crossword puzzle for a reason ;) -- 21:05, 10 July 2024 (UTC)
:I suspect that that reason is that someone will inevitably compare the information content of solving this crossword puzzle to the information content of narrating 1190. [[Special:Contributions/172.70.35.21|172.70.35.21]] 01:25, 11 July 2024 (UTC) I didn't sign. Was that rude? I'm new here, is it ok if I just ask questions?

i’m trying to table-ify it but i keep getting edit conflicted. [[Special:Contributions/172.71.30.93|172.71.30.93]] 21:24, 10 July 2024 (UTC)

Surprised something like "Jagged and loose Hawaiian lava flow (2)" couldn't be fit in (unless I've missed it). Maybe because there were no two-letter answers at all, of course. (I think... Again, maybe I'm missing them.) [[Special:Contributions/172.70.86.38|172.70.86.38]] 21:30, 10 July 2024 (UTC)

unfortunate that [https://tmbw.net/wiki/Aaa "antepenultimate track of They Might Be Giants' ''Glean''"] did not make it in --[[Special:Contributions/172.70.230.200|172.70.230.200]] 21:35, 10 July 2024 (UTC)
:And where is "Fonzie's catch-phrase"? Or does that end with a Y? [[User:Barmar|Barmar]] ([[User talk:Barmar|talk]]) 23:02, 10 July 2024 (UTC)

Did I use the calculator wrong, or 12356631 in base 26 equals 111111, not AAAAAA? [[Special:Contributions/172.69.90.180|172.69.90.180]] 22:33, 10 July 2024 (UTC)
:anyone using base 26 is probably likely to be using all 26 letters, instead of ten numbers and sixteen letters. contextless, i would usually assume any base has standard decimal digits, but liberties have already been taken here so why not (please sign)
::I wasn’t sure enough to comment, but it looks like he miscalculated. 26^5 + 26^4 + 26^3 + 26^2 + 26^1 + 26^0 = 12355631 = 111111 in base 26. To be AAAAAA it would have to be 123556310. Of course, maybe he’s using A through Z instead of the expected 0 through 9 followed by letters A through P, the way hexadecimal is. [[Special:Contributions/172.70.210.52|172.70.210.52]] 23:16, 10 July 2024 (UTC)
:::If he’s using the letters A through Z as the ‘digits’ for base 26, then he’s still wrong, because A would be 0, Z would be 25 and 12355631 decimal would be --[[User:Elfakyn|Elfakyn]] ([[User talk:Elfakyn|talk]]) 06:47, 11 July 2024 (UTC)BBBBBB in that base 26. [[Special:Contributions/172.70.210.235|172.70.210.235]] 00:54, 11 July 2024 (UTC)
:The "Qalculate" program has a number base setting called "Bijective base 26", which outputs the answer as "AAAAAAB26. [[User:Fabian42|Fabian42]] ([[User talk:Fabian42|talk]]) 01:23, 11 July 2024 (UTC)

I'm surprised he didn't make this interactive, so you could type into all the cells to fill out the crossword. [[User:Barmar|Barmar]] ([[User talk:Barmar|talk]]) 23:02, 10 July 2024 (UTC)

I made and discarded various theories what the joke might be while I read through the questions, including all numbers, at least two possible solutions for the entire puzzle (I think that happened once in a newspaper), unknowable answers, … Only when I got to the "disregard for gravity" thing did I suspect the right answer and only because I once saw a meta gaming Stack exchange question about its tag. Otherwise it might have taken me until the Morse code question. This was really well hidden! [[User:Fabian42|Fabian42]] ([[User talk:Fabian42|talk]]) 01:23, 11 July 2024 (UTC)

i dare not think about how long this took to make. [[user talk:lettherebedarklight|youtu.be/miLcaqq2Zpk]] 01:31, 11 July 2024 (UTC)

:In all honesty, this is probably easier to make than a regular crossword puzzle. [[Special:Contributions/172.69.3.146|172.69.3.146]] 05:48, 11 July 2024 (UTC)

https://crosshare.org/crosswords/2YcIAgtQCMBK6clsrNK4/mini-39-literally-screaming [[Special:Contributions/172.71.146.4|172.71.146.4]] 02:29, 11 July 2024 (UTC)

It's traditionally doctors that ask you to "say AAAAAAA" when they examine your throat. I'm pretty sure 36 across is supposed to be a joke about how dentists make smalltalk with their fingers in your mouth. [[Special:Contributions/172.70.126.10|172.70.126.10]] 04:24, 11 July 2024 (UTC)

I filled in the answers. Can someone add the solved image? I don't have file upload permissions. https://i.imgur.com/AlDIT1p.png --[[User:Elfakyn|Elfakyn]] ([[User talk:Elfakyn|talk]]) 06:47, 11 July 2024 (UTC)

bro tried to nerd-snipe us 😭 [[Special:Contributions/172.69.194.96|172.69.194.96]] 07:30, 11 July 2024 (UTC)

People without aphantasia can visualize words in front of them to solve puzzles like 18-across? That's quite impressive, I have to painstakingly count the letters in my head! [[User:Maplestrip|Maplestrip]] ([[User talk:Maplestrip|talk]]) 08:05, 11 July 2024 (UTC)

Every third letter in 'aphantasia' is 'hti'.[[Special:Contributions/172.70.162.18|172.70.162.18]] 08:17, 11 July 2024 (UTC)

1828: ISS Solar Transit

2024-07-09T12:52:46Z

172.70.162.18: /* Explanation */

{{comic
| number = 1828
| date = April 24, 2017
| title = ISS Solar Transit
| image = iss_solar_transit.png
| titletext = I guess it's also the right setting for pictures of the Moon at night.
}}

==Explanation==
This is the first comic in a [[:Category:ISS Solar Transit|two-comic series]], released during the same week on Monday and Friday. The next comic in the series is [[1830: ISS Solar Transit 2]].

[[Cueball]] is trying to take a photograph of the {{w|International Space Station}} moving in front of the Sun ([https://www.nasa.gov/image-feature/international-space-station-transits-the-sun example]). He has his camera with a long lens set up with a fixed setting to keep it still while he contemplates the best way to get the photographs he wants.

A normal camera is not able to take a photograph of the Sun due to the extreme brightness. This is why Cueball is using a {{w|Astronomical_filter|solar filter}}, which makes the Sun look orange instead of white, as shown in the second panel.

Digital cameras need to determine the color temperature of a photograph to correctly display colors. This is done using the {{w|Color_balance|white balance}} setting. The joke here is that Cueball selects the "direct sunlight" option, as he feels it is the option that best suits his unusual situation of directly photographing the Sun, even though the "direct sunlight" setting is intended to be used for photographing objects directly illuminated by the Sun and not for the Sun itself.

The light from an object illuminated by "direct sunlight" is, in fact, ''indirect'' sunlight when it reaches the camera sensor; so when photographing the Sun itself, the camera receives sunlight that is even more direct than "direct".

The use of a solar filter influences the color temperature, so "custom" would probably be the correct option here. A camera using the "custom" option usually requires you to focus on a white or gray object first to determine the correct setting. Most high-end cameras, like the {{w|Bridge camera|superzoom}} camera that is likely depicted here, are able to capture in {{w|raw image format}}, allowing the user to adjust the white balance afterwards in software.

The title text is pointing out that the sunlit side of the Moon is also in direct sunlight, which is why we are able to see it, and so "direct sunlight" would actually be the correct setting in this case.

It is the second comic within a week where Cueball is using a camera, similar to the one he used in [[1719: Superzoom]]. The previous comic was [[1826: Birdwatching]], two comics before this one.

==Transcript==
:[Cueball is kneeling in front of a small platform while operating a camera with a very long objective. The camera is angled sharply upward toward the sky as it is attached to a tripod standing on the platform. An off-panel voice calls out to him.]
:Off-panel voice: What's going on?
:Cueball: ISS solar transit. From this spot, the space station should briefly line up with the sun.
:Cueball: I got a sun filter and I'm trying to take a picture of it crossing.

:[Two half height panels above each others follow. The first shows an image of the very orange sun on a black background, as seen through the camera.]

:[The second of the two half height panels shows Cueball making further adjustments to the camera, as in the first panel.]
:Cueball: Perfect. Hmm, I should set the white balance.

:[Once gain there are two panels above each other. The top is black with white text and icons from the ''white balance'' menu. It has the following options shown after each of the icons as mentioned below in the square brackets:]
:[Shining light bulb]: Incandescent
:[Shining fluorescent lamp]: Fluorescent
:[Shining sun]: Direct sunlight
:[Lightning]: Flash
:[Cloud]: Cloudy
:[A house that cast a shade]: Shade
:[Two triangles with a circle between them]: Custom

:[In the panel below Cueball still operates the camera as before]

:[A frame-less but full height panel follows where Cueball leans back from the camera with his hands on his thighs.]

:[The last two panels are again above each other. It is almost the same panels as before the frame-less panels, except that the direct sunlight option has been selected as shown with a blue selection band across that option.]
:Incandescent
:Fluorescent
:'''Direct sunlight'''
:Flash
:Cloudy
:Shade
:Custom

:[In the bottom panel Cueball again operates the camera.]

{{comic discussion}}

[[Category:ISS Solar Transit]]
[[Category:Comics sharing name|ISS Solar Transit 01]]
[[Category:Comics with color]]
[[Category:Comics featuring Cueball]]
[[Category:Astronomy]]
[[Category:Space]]

Talk:2954: Bracket Symbols

2024-07-04T19:51:28Z

172.70.162.18:

ummm. How does editing this stuff work. Is this HTML? Why can't we have a gooey? Also, I only sort of get this comic, but it's not that funny.
<marquee behavior="scroll" direction="up">Here is some scrolling text... going up!</marquee>
[[Special:Contributions/172.69.58.102|172.69.58.102]] 05:13, 4 July 2024 (UTC)
: Have a WHAT? - [[Special:Contributions/172.70.179.88|172.70.179.88]] 09:26, 4 July 2024 (UTC)
:: A [https://kirby.fandom.com/wiki/Gooey Gooey]. Although I'm not sure how that would help.[[Special:Contributions/172.70.163.121|172.70.163.121]] 11:27, 4 July 2024 (UTC)
:: I'm sure that should be GUI (Graphical User Interface. --[[Special:Contributions/141.101.69.76|141.101.69.76]] 11:40, 4 July 2024 (UTC)

The "violin" symbols look like an upside-down bag symbol (multiset symbol) to me, moreso than integrals. [[Special:Contributions/172.69.58.135|172.69.58.135]] 18:09, 4 July 2024 (UTC)

Did my best with my first ever contribution - I know there's a chart feature but I cba to relearn html. Feel free to fix it and PLEASE finish my bad explanations. [[User:Qwikster|Qwikster]] ([[User talk:Qwikster|talk]]) 06:05, 4 July 2024 (UTC)

⌊⌋ are floor brackets (and you can now copy-paste them from here into the explanation as needed) [[Special:Contributions/162.158.126.33|162.158.126.33]] 06:03, 4 July 2024 (UTC)

As for the spaghetti, in Python, it'd be a list containing a tuple containing a list containing a set containing an empty tuple. Probably doesn't mean anything specific and pretty much useless), but it *is* legal code [[Special:Contributions/162.158.126.164|162.158.126.164]] 06:05, 4 July 2024 (UTC)

Yay, I figured out how to use a table! [[User:Qwikster|Qwikster]] ([[User talk:Qwikster|talk]]) 06:42, 4 July 2024 (UTC)

I'm British, ex 60+ years and I'm sure I was taught in school to use "for first person speech" and 'for quoting others'. I hadn't even noticed printers doing the opposite. But there again I didn't go to Grammar School. [[User:RIIW - Ponder it|RIIW - Ponder it]] ([[User talk:RIIW - Ponder it|talk]]) 07:36, 4 July 2024 (UTC)
:I'm British, too, and as I recall my school says sixty years ago, the symbols () are just called brackets and parenthesis is just the grammatical construct in which they can be used. But you can use dashes or even commas to indicate a parenthesis. This has been discussed on such blogs has Ben Yagoda's Not One-off Britishisms. https://notoneoffbritishisms.com/2015/12/15/square-brackets/ --[[Special:Contributions/172.70.90.178|172.70.90.178]] 08:16, 4 July 2024 (UTC)
:Yeah - I don't know where this weird idea that British people use single quotes comes from - it's not my experience. Generally seems to be double quotes for direct speech, and single quotes for paraphrasing, scare quotes, 'jargonisms', etc. I've added to the explanation to reflect that a bit.[[Special:Contributions/172.69.195.176|172.69.195.176]] 11:33, 4 July 2024 (UTC)
::Similar vintage of Brit, here. Always taught to write "66s and 99s" on any primary quotation (you'd '6 and 9' quotes-within-quotes and 66/99 quotes-within-quotes-within-quotes). Except books often seemed to be single(-double(-single))-nesting, always assumed that was the US standard, as they tended to have the likes of "color" and "sulfur", too.
::In typing (typewriter, word processor and on into the internet age) I'd use ""s as my primary, unless it 'wasn't really speech'... essentially scare-quotes, or emphasis. Though in the text-only information age (usenet, etc), I'd use some of the others for /Italics/, *Bold* and _Underline_ purposes.
::For coding purposes, I'd have to use whatever the programming language required (I added the note about Pascal's character/string differentation), except in Perl, where I go for a 'sensible' mix of aesthetics/readability and practicality as I make wide use of the [https://perldoc.perl.org/perlop#Quote-Like-Operators full range of options] available to me, in quotation context, whatever doesn't clash badly with any use of q[array], qq{sub or hash}, qx|binary OR|, =~s/whatever is in my/regexp/, etc... [[Special:Contributions/172.69.194.36|172.69.194.36]] 12:54, 4 July 2024 (UTC)

The integral sign (and its reverse) in the context of string instruments are the so-called 'F-holes', and they're not just decorative elements but help in the instrument(s) resonate more freely. Other shapes exist as well. See [https://en.wikipedia.org/wiki/Sound_hole here] for an in-depth explanation. [[Special:Contributions/172.69.151.27|172.69.151.27]] 09:13, 4 July 2024 (UTC)

「かっこ」[[Special:Contributions/108.162.250.151|108.162.250.151]] 09:24, 4 July 2024 (UTC)

Randall missed an opportunity to reference catamorphisms i.e. banana brackets. There may be some better examples missed as well.

Who is that? [[Special:Contributions/172.68.186.156|172.68.186.156]] 10:05, 4 July 2024 (UTC)

Likely reference to the quote and catchphrase "We can't stop here, this is bat country" from ''Fear and Loathing in Las Vegas''? [[Special:Contributions/162.158.134.242|162.158.134.242]] 11:05, 4 July 2024 (UTC)

The 'violin' quotes may look similar (but not identical) to the S-Shaped bag delimiters (U+27C5 & U+27C6), though these are normally used in the opposite order to enclose multisets.
[[Special:Contributions/172.71.90.10|172.71.90.10]] 13:52, 4 July 2024 (UTC)

The French quotation marks « » are better known as guillemets. They are also used in Spanish, and probably several other written languages. [[Special:Contributions/172.71.142.167|172.71.142.167]] 15:10, 4 July 2024 (UTC)

The single-/double-quotes being recursively embedded with the other reminds me of a short story I once read. It had the form of a tale a person was telling of when he encountered a stranger with a tale of his own. In that tale, the stranger made the aquaintance of a particularly talkative individual. That individual reported the story he heard from a further interlocutor, that story featuring the reminiscences of someone else... ''Which came to a conclusion." ...is the way it ended.' ...and so went that story" ...but of course that was just what was heard.' ...if, of course, you could credit it."'' (It was more layers deep, of course, and with both starting quotes and the paragraph-maintaining standards of opening quotes, which yet still managed to suck you in.) Cannot remember who it was by/what it was called, but obviously the play on the style (a bit more clever than ''just'' "I met a man who said, 'I met a man who said, "I met a man who said, 'I met a man who said "..."'"'") made a big impression on me at the time. [[Special:Contributions/172.70.162.18|172.70.162.18]] 19:51, 4 July 2024 (UTC)

1195: Flowchart

2024-07-04T11:34:41Z

172.70.162.18: Unbreaking

{{distinguish|518: Flow Charts|1488: Flowcharts}}
{{comic
| number = 1195
| date = April 5, 2013
| title = Flowchart
| image = flowchart.png
| titletext = The way out is to use the marker you have to add a box that says 'get a marker' to the line between you and 'start', then add a 'no' line from the trap box to 'end'.
}}

== Explanation ==
{{w|Flowcharts}} are diagrams used to show the logical flow of an {{w|algorithm}}, process, or program. Flowcharts are a [[:Category:Flowcharts|recurring theme]] in [[xkcd]]. In this comic, [[Randall]] uses the fact that flowcharts can indeed be used to show a loop in the procedure: in this case, the reader will theoretically become trapped in a loop of reading the text in the diamond, following the line marked "YES," and ending back up in the diamond. Those familiar with flowcharts will notice though that, while diamonds usually contain decision questions (which can be answered multiple ways), the diamond here actually includes a statement instead.

The title text contains a suggested solution to the loop: the way to escape the loop is to use a marker and add an additional "NO" arrow proceeding from the diamond to a rounded box labelled "END" before you start the algorithm at "START." This suggests that the decision question in the diamond could more properly be phrased as "Is this flowchart a trap?" However, to follow this suggestion, you would need to actually have the marker that you are about to write instructions to go get. Thus, you must also add the instruction "get a marker" somewhere before the flowchart actually begins (before "START"), so that you actually have the marker by the time you get to the flowchart in the comic. And since you did not have a marker and could thus not write this way out, you are still trapped!

Of course, the reader could disregard the algorithm, but this would break the conventions of following the flowchart. This is perhaps part the comic's purpose - to suggest that a problem cannot be solved from within the confines of its own conventions.

Randall has made use of [[:Category:Flowcharts|flowcharts]] before, and previously released another comic named [[518: Flow Charts]].

== Transcript ==
:[A flow chart is shown with two boxes and two arrows. The first box rectangular:]
:Start

:[From the first box there is a short arrow straight down to a diamond shaped box:]
:Hey, wait, this flowchart is a trap!

:[An arrow continues down below from the bottom corner of the diamond box, where there is labeled, and quickly it turns left (in the direction of the arrow), going out under the diamond and then turns left two more times to end up on the right corner of the same box where the arrow points back again.]
:Yes

{{comic discussion}}

[[Category:Comics sharing name|Flowcharts02]]
[[Category:Flowcharts]]

Talk:1238: Enlightenment

2024-07-03T23:47:58Z

172.70.162.18: /* OVerComplete? */ Whoops, didn't mean that.

I can't help but feel he toadaly missed out on "herd"!
Should this make me feel icky? Please help!
Monteletourneau [[User:Monteletourneau|Monteletourneau]] ([[User talk:Monteletourneau|talk]]) 05:13, 1 August 2013 (UTC)

Did anyone else notice the (most likely intentional) typos in that sentence they told her to type? "... and THEIR DEFINATELY good" (they're definitely) {{unsigned ip|‎115.30.33.36}}
:http://imgur.com/3Gpey 13:21, 6 April 2016 (UTC)~
:Title text: But the rules of writing are like magic spells. If you never acquire them, then not using them says nothing [[User:Donthaveusername|Donthaveusername]] ([[User talk:Donthaveusername|talk]]) 19:30, 9 October 2020 (UTC)
Didn't you notice "you're" and "idea's" as well. I would assume it is highly improbable that these were not intentional. [[Special:Contributions/74.125.16.2|74.125.16.2]] 04:51, 15 July 2013 (UTC)GusGold

Of course those were intentional. That was the joke. The exercise for INTERNET enlightenment and getting rid of insecurities is to make typos and grammatical errors freely. You may also notice them saying on the last panel "wasnt" and "its", instead of "wasn't" and "it's".
Megan just wasn't able to do this task of making intentional mistakes, which would result in people online thinking she's dumb (insecurities), so she broke the laptop and left. [[Special:Contributions/95.35.58.179|95.35.58.179]] 05:20, 15 July 2013 (UTC)
:Why do we think she broke the laptop and left? What's the circle on the ground for? (Looks like a StarTrek Transporter pad. And the pedestal just appeared as needed, must be virtual. Rather, I think she got UN-enlightened and zapped away into nothing-ness. [[Special:Contributions/12.234.99.131|12.234.99.131]] 16:41, 16 July 2013 (UTC) Zake

There's a huge difference between accepting others' misspellings and repeating them yourself...not commenting on someone typing "definately" is completely different than being told to spell it that way yourself. [[User:Wotpsycho|Wotpsycho]] ([[User talk:Wotpsycho|talk]])

I read you're explanation's and their definately helpful! --[[Special:Contributions/129.187.90.96|129.187.90.96]] 09:07, 15 July 2013 (UTC)

Having your ideas "approved" by someone who can't even spell might feel much worse than having them simply shot down.{{unsigned ip|89.31.118.161}}

Does anyone else think Ponytail appears to be levitating? --[[User:DanB|DanB]] ([[User talk:DanB|talk]]) 16:07, 15 July 2013 (UTC)

Someone deleted my edit, so I'm bringing it up here on the discussion page. The sentence contains more than just common misspellings; it also contains a common grammatical error. "I read your ideas and they're definitely good" is a run-on sentence. Joining two independent clauses requires BOTH a comma and a coordinating conjunction ("I read your ideas, and they're definitely good"). The sentence omits the comma. While certain style guides allow the comma to be left out when the two clauses are short enough, Megan's obstinate grammar-nazism is the entire point of the comic. It is unlikely she would let it slide. [[Special:Contributions/193.67.17.36|193.67.17.36]] 16:49, 15 July 2013 (UTC)
:"they're" refers to "ideas", the sentences are not independent.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 17:59, 15 July 2013 (UTC)
::That's not what an independent clause means. Can they be separated into two sentences? "I read your ideas. They're definitely good." Yes - it still makes sense as two sentences, thus the two clauses are independent. (An example of a dependent clause would be "I read your ideas while I was driving home." "While I was driving home" cannot stand on its own as a sentence, so it is not an independent clause.)[[Special:Contributions/193.67.17.36|193.67.17.36]] 18:17, 15 July 2013 (UTC)
:::I'm not a native English speaker, and I have learned only British English at school. But your statement makes sense. My first sentence is correct?--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 18:59, 15 July 2013 (UTC)
::::Yep, your first sentence is fine. I'm going to add the note about run-on sentences back into the Explanation; I hope nobody has any more objections. [[Special:Contributions/193.67.17.36|193.67.17.36]] 19:35, 15 July 2013 (UTC)
:::"...''whilst'' I was driving home"? ;) (And bear in mind as well that "while" can more commonly mean "until", instead of "during", in certain English-speaking dialects. Ok, I'm being picky, now.) [[Special:Contributions/178.98.50.23|178.98.50.23]] 05:40, 16 July 2013 (UTC)
::::Gr8 example of Internet forum tangental one-upmanship! [[Special:Contributions/12.234.99.131|12.234.99.131]] 16:41, 16 July 2013 (UTC) Zake
:This explanation makes a lot of sense. It helped me to stop being angry at the sentence they wanted her to type, and to pay attention to the bigger picture, especially when combined with the alt-text. Randall, I heard you're idea's and their definately good. (Also, I'm assuming that Internet Enlightenment allows me to be disgusted with myself for writing that, as long as I was willing to do so.) [[Special:Contributions/68.231.138.149|68.231.138.149]] 04:49, 16 July 2013 (UTC)
::It is perfectly correct to join two independent clauses with a coordinating conjunction and no comma. In fact it is often considered bad style (if not actually incorrect) to include both a comma and a conjunction when joining only two clauses.[[Special:Contributions/129.22.117.158|129.22.117.158]] 17:50, 16 July 2013 (UTC)
:::I'm not native English, as I explained before, but please give some more background information and not only a statement of your mind. And consider: This is American English, there are some odd commas. I'm still not sure what's correct.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 19:24, 16 July 2013 (UTC)
::::I'm not native either. What I've found on several sites [http://pages.uoregon.edu/munno/Writing/ClausesandCommas.html], [http://www.ego4u.com/en/cram-up/writing/comma?09] is ''two independent clauses connected by "and" or "but" are separated by a comma''—basically, because you would make a little pause at that point when used in speech. Contradicting this on {{w|simple:Run-on sentence}} I currently see ''"I looked over the hill and I saw the bear." is a complete sentence.'' (not two independent clauses—although grammatically possible), so simple-wikipedia could be wrong, or there is some tolerance, when two clauses are actually connected. In the end, I'd say this comma is not really worth that discussion, and I would suggest making some kind of neutral statement, e.g. ''and there might be a {{w|Run-on sentence|comma}} missing''. --[[User:Chtz|Chtz]] ([[User talk:Chtz|talk]]) 22:52, 16 July 2013 (UTC)
:::It is not perfectly correct to omit the comma. Chtz cited two sources above, here are a few more: [http://www.towson.edu/ows/conjunctions.htm], [http://grammar.ccc.commnet.edu/grammar/commas.htm], [http://www.getitwriteonline.com/archive/020204WhenCommaBfAnd.htm]. There is a little leeway for stylistic reasons, but as I mentioned above, the entire point of the comic is that Megan does not give leeway when it comes to grammar nazism. The corrected sentence in the explanation should be actually correct, not mostly-correct-but-given-a-little-stylistic-leeway.[[Special:Contributions/193.67.17.36|193.67.17.36]] 18:37, 17 July 2013 (UTC)
::::I (poster from 129.22.117.158 above) have looked into things more and stand corrected. I heard all you're ideas, and their definately good.[[Special:Contributions/209.152.196.210|209.152.196.210]] 13:04, 19 July 2013 (UTC)

I wonder if there's an additional level of meaning here. To me, the most striking thing about the sentence Megan won't type is not the bad spelling, but the fact that it involves agreeing with someone. On the Internet, people are always arguing with other (as in, for example, http://xkcd.com/386/). Maybe what Megan had to do to become "enlightened" was not just to ignore the rules of spelling, but actually to agree with someone for a change?{{unsigned ip|134.226.254.178}}
:Well, that's why I wrote the third paragraph, about how important agreement can be. Do you have any suggestions as to how we could emphasize this point more? [[User:PinkAmpersand|PinkAmpersand]] ([[User talk:PinkAmpersand|talk]]) 22:03, 16 July 2013 (UTC)

Be associated with bad grammar, Yoda would not. [[User:Alcatraz ii|Alcatraz ii]] ([[User talk:Alcatraz ii|talk]]) 08:22, 17 July 2013 (UTC)
;Incomplete or not?
I did add the tag again because there are too many edits at this page and also the discussion is still not clear. I would like to see the grammar issue solved by more explain, even when it's not easy.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 22:16, 16 July 2013 (UTC)

I'm not sure if it's worth mentioning any more comparisons, but I'd put it don't here at least: It reminds me of Schindler's List when Schindler tries to convince Amon Goeth, a commander of a Nazi concentration camp, that true power is when you have the power (and justification) to kill someone, but you spare them. This is an attempt to change the behaviour of Amon, who has a habit of killing random camp internees (and _believes_ he has the right to do so).{{unsigned ip|Svend}}
:Hey, you compared something to the Nazis! I invoke Godwin's Law! http://xkcd.com/261/{{unsigned ip|134.226.254.178}}

Note I have removed a misguided rant from Dgbrt regarding Svend's thoughtful post. [[Special:Contributions/199.27.128.88|199.27.128.88]] 09:06, 27 December 2013 (UTC)

This xkcd is all about how hard it is not to be a grammar nazi. --[[Special:Contributions/84.60.134.161|84.60.134.161]] 02:12, 24 July 2013 (UTC)

:Ah! So sweet and succinct! That line should be in the explanation. Perhaps with the words "for some people" added, but yeah. [[Special:Contributions/108.162.225.134|108.162.225.134]] 05:29, 25 April 2015 (UTC)

I strongly disagree with Randall and this comic, that making grammar errors and appearing uneducated is OK, and anyone who doesn't want to make themselves sound stupid is insecure (no, I want to communicate clearly and present ideas using proper and consistent language conventions). [[User:Jimbo1qaz|Jimbo1qaz]] ([[User talk:Jimbo1qaz|talk]]) 08:50, 28 February 2018 (UTC)

I had a completely different reaction to this comic. I interpreted the circle as a trap door. I interpreted it as Megan failed to notice the typos in the sentence, and typed it out exactly as shown. The test was to see if she would type it correctly. She failed the test and fell through the trap door, knocking over the laptop on the way down.{{unsigned ip|162.158.75.160|16:06, 9 September 2020}}

If they spoke in person (or ''via'' anything involving voice) about these ideas, they ''could'' have heard the other person's ideas. [[Special:Contributions/172.70.38.47|172.70.38.47]] 05:27, 9 June 2024 (UTC)
== OVerComplete? ==

Not 2 happy with There is also a double meaning - not writing anything at all is in fact "saying nothing". 
While "good enough" Zen, this reading is a bit beyond the obvious' of the rest. 
BTW, I would hold that, to subvert the comic, we need to keep the discussion going and correct each other in a most pedantic but loving way. Moreso, I intend to use this comic widely as I go around correcting the internet. [[User:Yamaplos|Yamaplos]] ([[User talk:Yamaplos|talk]]) 14:19, 1 July 2020 (UTC)

In order to pass the Turing test[citation needed], even some robots began to intentionally misspell words. [[User:ConscriptGlossary|ConscriptGlossary]] ([[User talk:ConscriptGlossary|talk]]) 12:11, 26 June 2024 (UTC)

:Hey, what are you doing? Splitting infinitives? Don't do that again. The "to" is like the head. The infinitives will get angry and split you in the neck. [[Special:Contributions/172.68.23.74|172.68.23.74]] 12:20, 26 June 2024 (UTC)

::Split infinitives do not violate grammar rules, yet it had left bad impression. [[User:ChristmasGospel|ChristmasGospel]] ([[User talk:ChristmasGospel|talk]]) 20:07, 3 July 2024 (UTC)

2953: Alien Theories

2024-07-03T08:15:14Z

172.70.162.18: /* Explanation */

{{comic
| number = 2953
| date = July 1, 2024
| title = Alien Theories
| image = alien_theories_2x.png
| imagesize = 352x308px
| noexpand = true
| titletext = They originally came here to try to investigate our chemtrail technology, and got increasingly frustrated when all their samples turned out to just be water ice with trace amounts of jet exhaust.
}}

==Explanation==
{{incomplete|Created IN A GALAXY FAR FAR AWAY THAT'S SPYING ON US - Please change this comment when editing this page. Do NOT delete this tag too soon.}}

This comic is making fun of conspiracy theorists who believe alien life is spying on Earth, by making aliens who are actually in contact with Earth into conspiracy theorists themselves.

A cultural phenomenon on Earth is based on the concept that {{w|unidentified flying objects}} (UFOs) represent visitors from extraterrestrial civilizations (aliens), to the extent that "UFO" may be considered entirely synonymous with "alien spacecraft", rather than the more basic truth of just not having yet been recognized as anything in particular. In the USA, these are now officially termed "unidentified anomalous/aerial phenomena" (UAPs), in an attempt to mitigate this type of automatic association, although there are already those who readily adopt the new term as equally indicative of their old opinions.

Being unidentified, there could be many trivial reasons (and a few {{w|Ball lightning|still very interesting}} non-trivial ones) that could be the truth of any particular observation, without needing to invoke the presence of aliens. But those who believe that UFOs/UAPs are extraterrestrial spacecraft may respond to those who reject this idea with the line, "These objects have capabilities superior to ours, it would be foolish not to investigate," especially in cases where astounding speeds and maneuverability are apparently observed (however much they may be more trivial phenomena, such as camera movement, glints off lenses, or other optical effects) or conveyed by uncorroborated witness statements

This comic attributes the "foolish not to investigate" line to bona fide flying saucers who have chosen to make direct communication with Earth, represented by Cueball (who seems to calmly accept their presence). Whereas skeptical humans may confront UFO believers with evidence that their belief in aliens is unfounded, and argue that it is pointless to continue to promote theories (conspiracy or otherwise) about them, Cueball confronts the flying saucers with evidence that aliens do exist (in the form of themselves), and therefore promoting further unsubstantiated theories would seem redundant in the first degree.

The aliens we see would [[2572: Alien Observers|surely know]] which vague terrestrial observations were ''actually'' of themselves, and could certainly confirm the existence of themselves in the first place, but seem to conclude that various other 'unidentified' observations on Earth are mysteries worthy of their own wild speculation, concluding that anything that doesn't conform to their own known abilities must be an (additional) alien visitation of some kind. Cueball is annoyed that the occupants of the flying saucers maintain their unfounded beliefs despite lack of solid evidence. Possibly these are the same aliens who are also shown to be [[2573: Alien Mission|credulous regarding cryptids]]. They reflect the situation of (human) UFO believers, who maintain their beliefs despite the absence of evidence. The aliens also maintain their beliefs in such tenuous observations, despite even the depicted aliens ''themselves'' maintaining that those other events were nothing to do with them. (Though human presumptions about the existence of aliens would, as it turns out, be shown to be correct in cases such as this particular encounter.)

The title text reports that the extraterrestrials have had no better luck finding evidence for {{w|Chemtrail conspiracy theory|conspiracy theories about "chemtrails"}} ({{w|Contrails|vapor trails}}) than have humans. Chemtrails are supposed clouds of gas deployed by commercial airplanes, which are used to mind-control the population or in some way alter the human population or the environment (depending on who you ask). They have [[966|been]] [[1677|mentioned]] [[2654|before]] on xkcd.

This strip was released on {{w|World UFO Day|World UFO Day}}.

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}

:[Cueball is standing. There are two spaceships shaped like flying saucers in the sky above him. A voice comes from the spaceship on the right.]
:Cueball: But you '''''know''''' aliens exist!
:Voice from spaceship: Yeah, but these reports describe fast-moving objects with capabilities far beyond anything we possess!
:Voice from spaceship: It would be foolish not to investigate!

:[Caption below the panel:]
:Annoyingly, the aliens turned out to be really into UFO conspiracy theories.

{{comic discussion}}

[[Category:Comics featuring Cueball]]
[[Category:Aliens]]
[[Category:Conspiracy theory]]

Talk:2251: Alignment Chart Alignment Chart

2024-07-01T12:21:17Z

172.70.162.18:

OK, hope someone will now explain it after I created this page. I'm lost on this one ;-) --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 10:49, 6 January 2020 (UTC)

Arrgh, edit conflict! [[User:Kev|Kev]] ([[User talk:Kev|talk]]) 11:55, 6 January 2020 (UTC)

I'm pretty sure the Punnet Square is ''also'' a meme template...[[Special:Contributions/162.158.154.229|162.158.154.229]] 15:59, 7 January 2020 (UTC)

I vaguely remember Randall to refer to the clay-sand diagram (or whatever it is called) as his all time favorite diagram on what-if somewhere. --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 12:35, 6 January 2020 (UTC)
:You vaguely remember "Starsand" from https://what-if.xkcd.com/83/ with the quote "Fortunately, there's a wonderful chart by the US Geologic Survey that answers all these questions and more. For some reason, I find this chart very satisfying—it's like the erosion geology edition of the electromagnetic spectrum chart." directly applicabe to this chart[[User:Tier666|Tier666]] ([[User talk:Tier666|talk]]) 17:57, 6 January 2020 (UTC)

I fear any attempt to "explain" the CIE chromaticity diagram will devolve into arguments about why Randall chose it. I have found that folks outside the world of optics or neurooptical studies have a hard time understanding why the raw colors available in single wavelengths comprise that short curvy line inside the full colorspace. The way our brain processes the relative signal strengths from the different types of retinal cones is quite amazing. [[User:Cellocgw|Cellocgw]] ([[User talk:Cellocgw|talk]]) 12:57, 6 January 2020 (UTC)
:CGW I'm shocked! Surely you know that single-wavelengths are the curvy outer boundary while the inner curvy line shows the response to blackbody spectra. ;-) -Fred [[Special:Contributions/173.245.52.61|173.245.52.61]] 19:55, 6 January 2020 (UTC)
::Thanks for that; I was about to question the statement myself. All in all, I feel the current explanation of the chromaticity diagram doesn't really explain much, and seems unnecessarily biased to boot. I know just enough about chromaticity to think it's wrong but not enough to correct it. [[User:LtPowers|LtPowers]] ([[User talk:LtPowers|talk]]) 19:58, 6 January 2020 (UTC)
:::I agree that explanation isn't great, if it's not improved when I have free time tonight I'll take a stab at it. Or maybe CelloCGW will, since he IS an optics guru (which is why I had to raz him).[[Special:Contributions/173.245.52.61|173.245.52.61]] 20:13, 6 January 2020 (UTC)

@Fred - mea culpa. I should think before writing. Fortunately :-), the ratio of the colorspace to any 1-dimensional line's area is still infinite! [[User:Cellocgw|Cellocgw]] ([[User talk:Cellocgw|talk]]) 20:33, 6 January 2020 (UTC) .... now that someone did post some explanation of CIE, more comments. The current CIE spec may be paywalled, but it has changed little if at all over the last 40 or 50 years, so it's not all that hard to get the values. There are several sites (naturally I've lost the URLs) which provide algos to convert HSM to RGB to HSV and so on. See Wikipedia, https://law.resource.org/pub/us/cfr/ibr/003/cie.15.2004.tables.xls , and similar repositories [[User:Cellocgw|Cellocgw]] ([[User talk:Cellocgw|talk]]) 20:44, 6 January 2020 (UTC)

:I redid the CIE explanation - focusing on describing the diagram, rather than one thing it might get used for (e.g. black body). I think the diagrams on the right are labeled chaotic because they are not some neat geometric shape over-all. I didn't really follow much of what was there, so feel free to revive some of it if it seems useful. (My background in color theory comes from computer science and graphics, rather than from physics or hardware design.) [[Special:Contributions/162.158.107.201|162.158.107.201]] 00:57, 7 January 2020 (UTC)
::It's better! Though it might be nice to explain what the x and y coordinates on the CIE diagram represent. (I personally have no clue, even after perusing Wikipedia.) As for chaoticness and shape, really CN and CE are the one two that aren't simple geometric shapes; even CG is a trapezoid. [[User:LtPowers|LtPowers]] ([[User talk:LtPowers|talk]]) 15:04, 8 January 2020 (UTC)

I'm only familiar with 4th and 5th edition, but should the "Good/neutral/evil:" axis eplanation be changed to "selfless deeds or selfish deeds"? Good and evil are highly subjective ("One person's 'freedom fighter' is another person's 'terrorist'.") but at least in 5e the axis is explained as risking/sacrificing yourself for the benefit of others (Good) vs. sacrificing others for your own benefit (Evil). Also, the explanation of the CN character may benefit from dividing which parts of the explanation are "chatoic" vs "neutral". Finally the "lacking rhyme or reason" part of chaotic is highly debated within D&D circles. There are certainly people who play that way, but there are also others who feel that chaotic characters have just as much motivation and goals as a lawful or neutral character just that part of their motivation is to act contrarily to Tradition/Authority. [[Special:Contributions/162.158.186.54|162.158.186.54]] 14:37, 6 January 2020 (UTC)

: It seems from this page that even nerds tend to interpret the alignment system by the ‘common sense’ meaning of the names instead of the detailed explanation. I once simply went through the Wikipedia article, which cited the second edition IIRC: ‘lawful’ means sticking to ''some'' code of conduct, whereas ‘chaotic’ is a pure opportunist or behaves randomly. ‘Good’ and ‘evil’ indeed mean selfless vs selfish deeds, but afaik in one of the official explanations ‘evil’ meant exercising authority over others—so all managers would be ‘evil’ automatically. [[User:Aasasd|Aasasd]] ([[User talk:Aasasd|talk]]) 16:42, 6 January 2020 (UTC)

I am not sure the phase diagram is for Water - that has nine solid phases. Surely it is merely a simple example.
[[User:Arachrah|Arachrah]] ([[User talk:Arachrah|talk]]) 16:52, 6 January 2020 (UTC)

As an interesting note, this comic's alt-text also ends with a period inside of a quote. This was discussed at length in the previous comic. [[User:Agrasin|Agrasin]] ([[User talk:Agrasin|talk]]) 16:52, 6 January 2020 (UTC)

I'm just upset that both a soil diagram and the QAPF were included, but not the TAS. Where's the love for extrusive igneous rocks? [[User:Mergelong|Mergelong]] ([[User talk:Mergelong|talk]]) 18:22, 6 January 2020 (UTC)

BTW, I offer my condolences and wish luck to the person who's going to make a transcript of this comic. [[User:Aasasd|Aasasd]] ([[User talk:Aasasd|talk]]) 22:28, 6 January 2020 (UTC)

"lawful heterozygous silty liquid" Is this not him being Lawfull, having inherited different forms of a particular gene from each parent, and basically a bag full of salt water? [[User:Nappy|Nappy]] ([[User talk:Nappy|talk]]) 07:51, 7 January 2020 (UTC)

A phase diagram was also used in https://what-if.xkcd.com/138/ [[Special:Contributions/162.158.89.7|162.158.89.7]] 08:23, 7 January 2020 (UTC)

The phase diagrams for oxygen and radon look similar to the Lawful Neutral one here. [[Special:Contributions/172.68.34.166|172.68.34.166]] 23:06, 8 January 2020 (UTC)

Is it coincidence that the evil chaotic diagram looks a bit like a brain? --[[Special:Contributions/162.158.158.9|162.158.158.9]] 10:52, 9 January 2020 (UTC)

Made a "real" one using actual picts from the internet based on this comic ... but ALSO using his comic. Meta, meta, meta, maybe? https://imgur.com/gallery/CagOh8s

I'm fairly certain that Randall is classifying himself using the Omnispace classifier, rather than referencing "the true neutral, neutral good, lawful good, and lawful neutral charts in the Alignment Chart Alignment Chart." as the current description suggests. If you look at the Omnispace classifier, Silt, Liquid, Heterozygous, and Lawful Good all share a common point on the chart. [[Special:Contributions/172.69.68.207|172.69.68.207]] 17:55, 27 January 2020 (UTC)

It is unclear to me why the explanation claims that the chart in the comic is missing the low central vowel ä. The official IPA chart does not include this vowel, and the use of a diaresis to indicate centralization, like all other diacritics for indicating relative articulation, are given in a separate section from the main chart. Granted, the vowel chart on Wikipedia does include ä, but there is no reason that we should expect XKCD to do the same. That said, the omission of ɐ is quite odd, and seems to be an error. {{unsigned|IcarusProblem|01:40, 12 December 2023}}
== Omnispace Classifier ==

I think the Omnispace Classifier is meant to be a horrific Frankenstein amalgamation of the other 8 kinds of chart. Theoretically it can "classify anything" since it can classify anything the other 8 can, but practically it would obviously be totally useless, or at least a lot less useful than just using the specific chart that works for the situation. [[User:Pureawes0me|Pureawes0me]] ([[User talk:Pureawes0me|talk]]) 12:09, 6 January 2020 (UTC)

In the description of the Omnispace Classifier, saying "the diagram created for this comic is considered to be chaotically evil." is wrong. The diagram created for this comic is ''not'' an Omnispace Classifier, it is an alignment chart. It's even in the title "Alignment Chart Alignment Chart". [[User:Pureawes0me|Pureawes0me]] ([[User talk:Pureawes0me|talk]]) 14:11, 8 January 2020 (UTC)
:I concur. [[User:LtPowers|LtPowers]] ([[User talk:LtPowers|talk]]) 15:04, 8 January 2020 (UTC)
I feel the "Omnispace Classifier" is actually chaotic evil due to its mishmash of axes, which change randomly in topic and direction depending where you look on the graph. --[[User:GoldNinja|GoldNinja]] ([[User talk:GoldNinja|talk]]) 17:43, 8 January 2020 (UTC)

== Chart Position Rationale ==

The page currently tries to explain each chart's position based on the content of the chart, e.g. the political compass chart is lawful because politics relates to laws. I think this is wrong: the charts are arranged based on their properties ''as charts''. It's not based on whatever it is they represent. This feels more in character with how Randall tends to do things. It also avoids making a bunch of value judgments about various topics. [[User:Khaim|Khaim]] ([[User talk:Khaim|talk]]) 23:05, 8 January 2020 (UTC)

Possible explanations for each chart:
* Soil chart: Information-dense, continuous, triangular
* Punnett square: Simple, square
* IPA vowel chart: Irregular shape
* Phase diagram: Square, continuous
* Alignment chart: "A is A"
* CIE chromaticity diagram: Irregular shape, ''curved'', nonlinear
* Political compass: Square (lawful), highly subjective, not very useful
* QAPF rock diagram: Diamond shape is misleading since it's actually two ternary charts stuck together, not very useful (unless you're a geologist?)
* Omnispace classifier: Totally made up, irregular, completely useless
[[User:Khaim|Khaim]] ([[User talk:Khaim|talk]]) 23:31, 8 January 2020 (UTC)

:I agree with this, and it's how I first interpreted the comic.--[[User:GoldNinja|GoldNinja]] ([[User talk:GoldNinja|talk]]) 23:40, 8 January 2020 (UTC)
:Well, the point is to make any connection to both axis of the chart. Your explanations do not do that properly either. e.g. for IPA vowel chart "Irregular shape" does not explain why it would be considered "good", while it is one of maybe more possible reasons for being considered chaotic. --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 07:39, 9 January 2020 (UTC)

== XKCD Alignment Chart ==

A while back, I was searching for an XKCD alignment chart, with no success, so I made one. It is not perfect, so I'm wondering what other opinions on the alignment of the characters are.

Lawful Good- Beret

Neutral Good- Ponytail

Chaotic Good- Mrs. Roberts

Lawful Neutral-Cueball

Neutral Neutral- Megan

Chaotic Neutral- White hat

Lawful Evil- Hairy

Neutral Evil- Danish

Chaotic Evil- Black Hat

--[[User:Fallencrow305|Fallencrow305]] ([[User talk:Fallencrow305|talk]]) 22:10, 28 July 2016 (UTC)

:What about Help I'm trapped in a drivers license factory Elaine Roberts? --[[User:JayRulesXKCD|JayRulesXKCD]] ([[User talk:JayRulesXKCD|talk]]) 15:48, 29 September 2016 (UTC)
::Or Hairbun? Or Science Girl? Here are my predictions: Elaine - Chaotic Good, Hairbun - Lawful Good, Science Girl - Lawful Neutral --[[User:JayRulesXKCD|JayRulesXKCD]] ([[User talk:JayRulesXKCD|talk]]) 16:00, 29 September 2016 (UTC)

:What? How can Beret Guy be anything other than chaotic?— {{unsigned|}}

:You did:
:{| class="wikitable"
|-
! !! Lawful !! Neutral !! Chaotic
|-
! Good !! Beret || Ponytail || Mrs. Roberts
|-
! Neutral !! Cueball || Megan || White Hat
|-
! Evil !! Hairy || Danish ||Black Hat
|}
:'''[[User:While False|While False]] ([[User talk:While False|speak]] | [[User:While False/explain xkcd museum|museum]]) 18:10, 17 October 2022 (UTC)'''

...while I see the slight logic of moving the above section away from the Main Page "Talk", it is only associated with this Explanation by having a common subject. Perhaps should have been re-asserted under a suitable bit of the Community Portal, or the (Talk of the) umbrella page for all characters? [[Special:Contributions/172.70.86.147|172.70.86.147]] 15:54, 17 February 2023 (UTC)

I'm pretty sure the Punnett square is neutral because the effect of a genetic combination can be good (resistance to HIV) or evil (Huntington disease). [[User:Nitpicking|Nitpicking]] ([[User talk:Nitpicking|talk]]) 03:36, 26 February 2024 (UTC)

I object to the soil chart being lawful good. Two of the categories are concave. You can mix sandy loam with sandy loam and get loam, or silt loam with silt loam and get silt. [[User:DanielLC|DanielLC]] ([[User talk:DanielLC|talk]]) 07:15, 1 March 2024 (UTC)

Popping by here only because of someone discovering a couple of redirect pages were not done, due to failure of the 'BOT of the day. (Was it really only four-and-a-half years ago that we were still pre-theusafBOT?) Good catch, that user! Of course, I still wonder what the Omnispace Classifier Classifier would rationalise as (as per the Omnispace Classifier, but with a subordinate Omnispace Classifier also added to the other eight... perhaps even a recursive OC-Clqssifier, in turn an OCC-Classifier). Idle thought, only, whilst I was noting the wikifixes just done! [[Special:Contributions/172.70.162.18|172.70.162.18]] 12:21, 1 July 2024 (UTC)

847: Stingray Nebula

2024-06-29T21:26:05Z

172.70.162.18: /* Explanation */ No reason to capitalise "galaxy", maybe meant to say *our* galaxy

{{comic
| number = 847
| date = January 14, 2011
| title = Stingray Nebula
| image = stingray_nebula.png
| titletext = Eärendil will patrol the walls of night only until the sun reaches red giant stage, engulfing the Morning Star on his brow. Light and high beauty are passing things as well.
}}

==Explanation==
The {{w|Stingray Nebula}}, in the constellation {{w|Ara (constellation)|Ara}}, is the youngest known planetary nebula in the {{w|Milky Way}} galaxy. It was formed by an {{w|asymptotic giant branch}} (AGB) B1 {{w|supergiant}}, which ejected its outer layers during the 1980s. It now appears as a {{w|white dwarf}} star in the center of an expanding gaseous nebula.

This comic went from a reassuring comic about stars at night giving hope in the darkness, but then as with most xkcd's, it took a turn. In this case, the twist is that because [[Cueball]]'s star he got attached to exploded into a nebula, we should only become attached to stars that aren't quite as volatile as the one that formed the Stingray Nebula.

The formation of a planetary nebula is not usually referred to as an explosion, since it is a quite slow process, which, in the case of the stingray nebula, took about 20 years (1970-1990). When Randal describes it as an explosion happening exactly in 1987, it is possible that he is confusing it with the famous supernova {{w|SN 1987A}}, the closest and brightest observed supernova since {{w|Kepler's supernova}} of 1604.

While talking about his star, Cueball shares with his friend a quote from the ''{{w|Lord of the Rings: The Return of the King}}'', the third installment in {{w|J. R. R. Tolkien|J.R.R. Tolkien's}} epic fantasy series. {{w|Samwise Gamgee|Sam}} and his friend {{w|Frodo Baggins|Frodo}} were forced to travel through {{w|Mordor}}, a land of fire and death, to destroy the malevolent {{w|One Ring}}. The journey's hardship took a psychological toll on each of them.

Cueball compares his struggles as a kid, and his friend's struggles in the present, to Sam and Frodo's arduous journey through Mordor. Both he and Sam were able to find beauty and solace in the glimmering of some distant light. By attaching their hopes, woes and feelings to this small point of hope, they both get a sense of perspective and comfort in the fact that there is beauty in a greater sense before them.

The title text ties into the Tolkien quote. {{w|Eärendil}}, with a {{w|Silmaril}} strapped to his ship, Vingilot, is the Tolkienian myth explanation for the planet {{w|Venus}}, which has historically been mistaken for a star due to its brightness, being known as the "morning star" or "evening star". Venus will eventually (in billions of years time) be engulfed by the sun's expansion into a red giant. The source of Sam's comfort is also temporary in the long term.

==Transcript==
:[Cueball and his Cueball-like friend to the left is shown as white silhouettes against a dark sky. They're sitting on top of a grassy hill also shown inverted as white.]
:Cueball: I know things are tough right now. When I was going through some difficult times as a kid, I would go up on the roof and look through my telescope.

:[Zoom in on the twos white heads and upper torso only.]
:Cueball: One day I found a tiny star in Ara that seemed friendly.
:Cueball: There were millions like it, but I decided that this one was mine.

:[Zoom in only on Cueball's head and torso.]
:Cueball: When things got bad, I'd go find that star, and think of my favorite Tolkien quote. It's from Sam's time in Mordor.

:[The next panel is diagonally downward to the right of the previous. The upper left corner overlaps. A single star is shown above the highest peak in a jagged chain of mountains with at least five other large peaks and several smaller ones. Above the star in the black sky is a long quote.]
:"There, peeping among the cloud-wrack above a dark tor high up in the mountains, Sam saw a white star twinkle for a while. The beauty of it smote his heart, as he looked up out of the forsaken land, and hope returned to him. For like a shaft, clear and cold, the thought pierced him that in the end the shadow was only a small and passing thing: There was light and high beauty forever beyond its reach."
::::—The Return of the King

:[Back to normal panels below the quote panel. Larger zoom than in panel two both showing the same of the two.]
:Friend: That's comforting!
:Cueball: It was rather undercut in 1987, when the light from my star's explosion reached Earth. The debris forms the Stingray Nebula.

:[Zooming further out even than the first panel, showing more of the grassy mound below the two.]
:Friend: There's probably a lesson there.
:Cueball: "Never trust an unstable asymptotic giant branch star. Stick with main sequences and dwarfs."
:Friend: I'll, uh, keep that in mind.

==Trivia==
*The title of this comic was subsequently referenced in the following [http://web.mit.edu/puzzle/www/2011/puzzles/katamari_damacy/unlikely_situations/ MIT Mystery Hunt puzzle].

{{comic discussion}}

[[Category:Comics with inverted brightness]]
[[Category:Comics featuring Cueball]]
[[Category:Multiple Cueballs]]
[[Category:LOTR]]
[[Category:Philosophy]]
[[Category:Space]]
[[Category:Astronomy]]
[[Category:Telescopes]]

App

2024-06-28T17:54:33Z

172.70.162.18: Undo revision 345259 by KXXJonathan (talk) Vandaladvertising?

#REDIRECT [[1174: App]]

Talk:2950: Situation

2024-06-25T22:39:58Z

172.70.162.18: Too late signing, in the wrong way. Reverting to the reminder, 'pour encoureges les autre', and also to remove the clear follishness of a second, post-dated, timestamp. (If it wasn't an IP .sig, it might have had a better resolution.)

For reference, the bridge in question is the Tacoma Narrows Bridge. [[User:Trimeta|Trimeta]] ([[User talk:Trimeta|talk]]) 18:57, 24 June 2024 (UTC)
:Noting that in all cases ''except'' the Tacoma Narrows, the design flaws were but a part of the issue, with operational decisions at the time playing a big part in the designed-in risks becoming reasons for an actual incident. The bridge could never have been "run safely", once built, unlike trying to ignore bunker fires whilst speeding through iceberg-alley or conducting stress tests in parallel with other non-standard procedures or just not refusing to conduct flights under certain weather conditions. Yes, the other things, by skipping the 'bad end' they actually had, would still be susceptible to future incidents (lessons not now having been properly learnt, or even known to be learnable, so still liable to being mishandled).
:But the only thing that could have saved the Tacoma bridge was to have been so much more alert (and less 'amused') by Galloping Gerti and immediately rushed into developing the better analytical models that could lead to an expensive in-situ retrofit (as with the Millenium Bridge, across the Thames, though that didn't have unavoidable wind issues and ''could'' be managed 'at leisure', whilst being made safer). And, without the rather spectacular demonstration of failure, it was probably not on the cards to 'not do nothing', even if it wasn't already too late to avert history in any reasonable way.
:It's human hubris/failings (at various levels) in each case, of course. But operational and design-time errors do more damage in combination than either by themselves. (Case in point, no deaths from the bridge collapse... actually handled pretty well, considering.) [[Special:Contributions/172.70.162.186|172.70.162.186]] 22:00, 24 June 2024 (UTC)

And for the record, the Challenger engineers *did* warn about the O-ring risk, but were overridden by management. [[Special:Contributions/172.68.35.95|172.68.35.95]] 19:25, 24 June 2024 (UTC)

It would have been so easy to draw a dam about to burst just behind the ocean liner {{unsigned ip|172.70.43.54|20:22, 24 June 2024}}
:Any particular dam-burst? There are many, but I'm not sure that we have an 'iconic' one... There's perhaps Taum Sauk, Vajont Dam, Brumadinho dam, El Cobre, Uttarakhand, Dale Dike Reservoir or Derna, picking a selection of notable ones. You couldn't count the deliberate Operation Chastise breaches or the (probably-)deliberate Kakhovka Dam one, nor all those 'nearly a disaster' ones (like Ulley and Toddbrook, two relatively recent concerns in the UK). [[Special:Contributions/172.70.162.186|172.70.162.186]] 22:00, 24 June 2024 (UTC)
::For whatever reason, the first thing that springs to my mind, is the flood scene from Team America World Police. [[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 07:02, 25 June 2024 (UTC)
::Johnstown Flood is what came to mind, caused by the South Fork Dam is the most iconic US one, and long enough ago to joke about relative to more recent, larger ones [[Special:Contributions/162.158.159.140|162.158.159.140]] 16:52, 25 June 2024 (UTC)
::Also a huge molasses tank would have been a good reference to one of the worst non-water floods https://en.wikipedia.org/wiki/List_of_non-water_floods [[Special:Contributions/172.70.43.140|172.70.43.140]] 17:07, 25 June 2024 (UTC)

Winds caused by maintenance on a nuclear reactor... What? [[Special:Contributions/172.69.208.173|172.69.208.173]] 22:46, 24 June 2024 (UTC)
:Yeah, this explanation text is reaching, hard. [[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 07:00, 25 June 2024 (UTC)

Calling what leaked from the O-ring 'fuel' somewhat understates the issue. The O-ring failure let the SRB rocket exhaust itself burn through and damage the attachment strut and the external tank. [[User:Dkfenger|Dkfenger]] ([[User talk:Dkfenger|talk]]) 23:11, 24 June 2024 (UTC)
:But, rocket fuel can't melt metal struts! ;S [[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 06:58, 25 June 2024 (UTC)
::But it can get it hot enough that it then rips apart, causing other failures. [[User:SDSpivey|SDSpivey]] ([[User talk:SDSpivey|talk]]) 15:09, 25 June 2024 (UTC)
:::That was sarcasm, silly. ;P
:::[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 18:38, 25 June 2024 (UTC)

I can't help but think that the ship/bridge combination also refers to the Key Bridge collapse, given that MV ''Dali'' just left Baltimore today, passing through the wreckage of the Key Bridge and under a Chesapeake Bay Bridge temporarily closed to traffic. --[[Special:Contributions/172.71.222.92|172.71.222.92]] 03:01, 25 June 2024 (UTC)
:Not shown: Ship electrical system with redundant buses, multiple breaker trips, and all bus ties closed. Not existent: Dolphins and breakers surrounding the piers of a fracture-critical bridge. [[Special:Contributions/172.70.175.84|172.70.175.84]] 03:52, 25 June 2024 (UTC)
:Nothing in the comic implies anything about the Key Bridge. Coincidence of timing, at best. [[User:SDSpivey|SDSpivey]] ([[User talk:SDSpivey|talk]]) 15:09, 25 June 2024 (UTC)

I feel like there's potential here, for a Rock-Paper-Scissors-Lizard-Spock kind of game, where each disaster can cause two others & prevent two others. [[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 07:07, 25 June 2024 (UTC)

50 comics until 3000! [[user talk:lettherebedarklight|youtu.be/miLcaqq2Zpk]] 04:06, 25 June 2024 (UTC)

2949: Network Configuration

2024-06-24T09:19:56Z

172.70.162.18: /* Explanation */

{{comic
| number = 2949
| date = June 21, 2024
| title = Network Configuration
| image = network_configuration_2x.png
| imagesize = 740x272px
| noexpand = true
| titletext = If you repeatedly rerun the development of technological civilization, it turns out that for some reason the only constant is that there is always a networking utility called 'netcat', though it does a different thing in each one.
}}

==Explanation==
{{incomplete|Created by a BOBNETCAT - Please change this comment when editing this page. Do NOT delete this tag too soon.}}

In this comic, [[Cueball]] takes an uncommon networking bug (needing to establish a fresh connection for each {{w|Network_packet|packet}} sent) to the extreme. Instead of merely redoing the appropriate handshakes for data transfer, he is reconstructing the entire {{w|Human_history|history of human civilization}} each time.

As this originally took multiple millennia, doing it for every network packet would make communication ''extremely'' slow; in modern networking, we send and receive thousands of packets every second.

In the final frame, Cueball looks shaggy and dirty, with a {{w|Hoe_(tool)|grub hoe}} behind him, as though he had been performing these tasks in real life just to get his network working again.He says the network packet was stuck in the {{w|Neolithic}} era, the final period of the Stone Age that marked the transition from hunter-gatherer lifestyle to one of settlement. Apparently Cueball had to go through the effort of inventing farming, one of the developments of the {{w|Neolithic Revolution}}, to keep communicating with [[Ponytail]]. He has also had to build himself a new wooden chair (and possibly desk), and apparently hasn't yet got to the point of developing a notebook computer, so is using a PC under the desk, connected to a chunky monitor. Presumably his previous equipment and furniture were lost in resetting to the Neolithic, though this seems to have been a localised effect, since Ponytail appears unaffected.

Randall Munroe is familiar with the popular creative nonfiction topic of what it takes to rebuild civilization, the subject of a book he blurbed on its cover, [https://www.howtoinventeverything.com/ How to Invent Everything], by Ryan North, fellow cartoonist.

The title text discusses {{w|netcat}}, a simple utility to make a tcp connection which comes in annoyingly incompatible [https://manpages.debian.org/stretch/netcat-traditional/nc.1.en.html nc.traditional] and [https://manpages.debian.org/stretch/netcat-openbsd/nc.1.en.html nc.openbsd] varieties. This may be a reference to the {{w|The_Hitchhiker%27s_Guide_to_the_Galaxy|Hitchhiker's Guide}} series which states that 85% of civilizations developed a drink that sounds like "Jynnan Tonnyx" ({{w|Gin and tonic}}) before inventing interstellar flight. The drinks are only related by their name and have nothing else in common.

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}

:[Ponytail is sitting on an office chair at her computer with a headset on. A zigzag line indicates what is shown on the computer screen]
:Ponytail (typing): Ugh, your connection is so laggy.
:Computer: Yeah, sorry.

:[Cueball is sitting on an office chair at his laptop]
:Cueball (typing): It's because I messed up my network configuration and now I have to rebuild a separate civilization from scratch for each packet.

:[Ponytail at her computer]
:Ponytail (typing): Huh?
:Ponytail (typing): What are you talking about?
:Ponytail (typing): ...Hello?

:[Beat panel]

:[Cueball, with dirt on his head and around him, is at an old computer setup with an agricultural tool resting on his now non-office chair]
:Cueball (typing): Sorry, got stuck in the Neolithic that time.
:Cueball (typing): Inventing farming takes '''''forever'''''.

{{comic discussion}}

[[Category:Comics featuring Cueball]]
[[Category:Comics featuring Ponytail]]
[[Category:Computers]]
[[Category:Cueball Computer Problems]]

2948: Electric vs Gas

2024-06-20T08:13:16Z

172.70.162.18: /* Explanation */

{{comic
| number = 2948
| date = June 19, 2024
| title = Electric vs Gas
| image = electric_vs_gas_2x.png
| imagesize = 284x385px
| noexpand = true
| titletext = An idling gas engine may be annoyingly loud, but that's the price you pay for having WAY less torque available at a standstill.
}}

==Explanation==
{{incomplete|Created by a HYDROGEN INTERNAL COMBUSTION ENGINE RUNNING A GENERATOR. Do NOT delete this tag too soon.}}

Internal combustion engines (ICE) are the most common technology used to propel vehicles. In US vernacular, the most common motor fuel is known as "gasoline", or "gas" for short, leading to these engines being referred to as "gas engines". Gasoline is a product of petroleum refinement, leading to the name "petrol" being used in other dialects. (The word "gasoline" does not actually refer to any gaseous state, but derives from the brand-name fuel "Cazeline" or "Cazelline" sold by a man called John Cassell, and "Petrol" has also been a registered brand-name for another business's motor-fuel product.)

Electric motors would seem the more obvious method for propelling a vehicle, and as early as 1885 were an actual form of motor-car engine with which the fledgling internal combustion engine had to compete. Despite this early popularity, over most of the 20th century electric motors were sidelined in everyday car design, as supplying the electricity was considered to be impractical for most forms of transportation. Modern forms are rapidly rising in popularity, and now constitute 18% of all global vehicle sales. [[Randall]] has long been a strong proponent of electric vehicles.

In this strip, [[White Hat]] claims to be comparing the pros and cons of electric motors and gas engines. The joke is that every point he makes goes in favor of electric motors. Despite it being posed as a dilemma, it may be very clear which side of the debate White Hat is promoting. On the other hand, it may indicate that one of the things we might consider a pro in electric motors (the instantaneous power now available, exceeding that of many non-electric engines) he would consider a problem - perhaps more accurately, a problem with the ''drivers'' of such vehicles, recklessly using the enhanced capabalities to accelerate to high speeds at all opportunities, whether safe to do so or not.

The strip offers the following points in favor of electric motors:

* "Cleaner and more efficient". Internal combustion engines produce and vent harmful combustion products and toxic chemicals, while electric motors produce no emission byproducts at the point of use. The efficiency of both gas and electric motors vary, but the typical ICE vehicle in the US converts around 25% of available energy into motion, while the typical electric vehicle is in the neighborhood of 80%. It should be noted that all of this refers to the motors only, and ignores how the fuel and electricity are produced. Even when considering inefficiencies in the source production and transmission and storage and release of energy, battery driven electric vehicles are generally more efficient than internal combustion propelled vehicles[https://www.factcheck.org/2024/02/electric-vehicles-contribute-fewer-emissions-than-gasoline-powered-cars-over-their-lifetimes/].

* "More powerful". Electric motors are able to deliver a lot of power from a small motor '''if''' an ample energy supply is available, and can do so 'on demand' often far quicker than a fuel-powered engine that has to put its power through a gearbox in order to service a wide range of road-velocities from standstill to the eventual top speed. Due to battery limitations, short or partial runtime use cases, such as dragsters, hand tools, yard tools, toys, and electric scooters net the most benefit from the small size of a high powered electric motor.

* "Annoyingly loud". Internal combustion engines, by their nature, produce significant noise. Despite noise attenuation measures (such as mufflers), they contribute significantly to urban noise. Properly designed electric motors are nearly silent. In particular, turbo-charger blow-off valves make particular noises that are completely lacking in an all-electric vehicle being driven under a similar performance level. This might legitimately be considered a problem, though, when everyone is used to a rapidly approaching vehicle providing a very noisy warning of its approach. EV makers have sometimes added [https://www.businessinsider.com/electric-car-ev-fake-engine-sound-hyundai-dodge-toyota-2023-7 fake ICE noises] to appeal to older drivers and {{w|Electric_vehicle_warning_sounds|warning sounds}} for bystanders.

* "WAY less torque available at standstill". Internal combustion engines need to continually operate within a specific range of rotational speeds, which means that a complex system of transmission gearing is needed to convert this motion into the specific speeds needed at the wheels. When starting from a stand-still, this means that torque must be applied to the wheels relatively gradually to avoid stalling the engine. Electric motors, by contrast, generally produce their peak torque when at a standstill. This results in electric vehicles having significantly better acceleration and engine responsiveness. Again, this could cause a legitimate problem with drivers changing from ICE to electric motors, because the new cars accelerate more than the driver is used to and provide different feedback. The audible clues of gear-changes, whether from automatic or manual systems, are part and parcel of what many people have grown up with, in anticipating what vehicles might need paying explicit attention to.

It should be noted that White Hat is deliberately confining his arguments to electric vs gas ''motors'' rather than electric or gas-powered ''vehicles''. Doing so ignores the basic reason why internal combustion vehicles have long dominated transportation: hydrocarbon fuels are a very dense and fairly easy to handle form of energy ''storage''. Providing electrical power to a moving vehicle requires either that the vehicle remain in contact with a power line, like a train does, or a high-capacity battery and the ability to recharge that battery in a reasonable amount of time. More popular in the USA is a hybrid system where a combustion engine provides at least some of the power to the power to an electric motor, which was impractical until comparatively recently. Other methods, such as hydrogen fuel cells (a form of "combustion" that can be used more directly to form electricity) have been proposed, but remain experimental.

A more comprehensive comparison would include the cons of electric vehicles, including:

* Higher cost of purchase (primarily due to the cost of batteries and, in the USA, now a 100% tariff on Chinese EVs), although partially offset by lower costs of operation
* Long charging times compared to refilling a gas tank
* Relatively limited range
* Shortened range in hot weather and significantly shortened range in cold weather (although ICE vehicles also have this problem)
* Limited charging infrastructure in some places
* Higher vehicle weight

Advancing technologies may change how serious these cons are, but they currently remain genuine issues.

Other pros of electric vehicles aren't mentioned
* Lower costs of operation (partially offset by higher costs of purchase)
* Higher reliability
* Lower maintenance and repair costs
* Lower carbon footprint

==Transcript==
:[White Hat, with his palm raised, is talking to Cueball.]
:White Hat: Electric motors and gas engines each have their pros and cons.
:White Hat: On one hand, electric motors are cleaner and more efficient. On the other hand, electric motors are more powerful.
:White Hat: So it's hard to say which is better overall.

{{comic discussion}}

[[Category:Comics featuring White Hat]]
[[Category:Comics featuring Cueball]]
[[Category:Engineering]]
[[Category:Climate change]]

2947: Pascal's Wager Triangle

2024-06-18T15:36:22Z

172.70.162.18: /* Explanation */

{{comic
| number = 2947
| date = June 17, 2024
| title = Pascal's Wager Triangle
| image = pascals_wager_triangle_2x.png
| imagesize = 740x802px
| noexpand = true
| titletext = In contrast to Pascal's Wager Triangle, Pascal's Triangle Wager argues that maybe God wants you to draw a triangle of numbers where each one is the sum of the two numbers above it, so you probably should, just in case.
}}

==Explanation==
{{incomplete|Created by a BOT WHO BELIEVED THE N BOTS ABOVE HIM - Please change this comment when editing this page. Do NOT delete this tag too soon.}}
The comic is structured in a layout that emulates {{w|Pascal's triangle}}. Pascal's triangle is a numerical triangle where the top number is 1 and each value below is the sum of the two (or in the case of the edges, one) number(s) above it. For example, a triangle would start with a singular 1, then the next row would have two 1s, and the next would have a 1, a 2, and another 1, and so on. It plays important roles in binomial expansion, probability theory, and other areas of math. While {{w|Blaise Pascal}} did not invent the triangle, it is named after him.

{{w|Pascal's Wager}} is a philosophical argument proposed by Blaise Pascal. Essentially, if the Bible is true, both the rewards for believing in God and the punishment for nonbelief are infinite; if it is not, the cost of belief and benefit for nonbelief are negligible. Therefore, if there is a finite possibility that the Bible is true, however small, one should believe in God.

The comic merges the two — each Cueball is wagering his proof of a god or gods to the Cueballs below him, thereby creating Cueballs that believe in a number of gods equal to the sum of the 2 Cueballs above him. In the second row, the two Cueballs believe in a god, as intended by the original Cueball. However, in the third row, the Cueball in the middle interprets the two proofs offered to him as proving the existence of two gods. Theoretically, this expansion would continue for all integers as the triangle grows, giving rise to a belief in escalating numbers of gods towards the middle bottom of the triangle. This is clearly not the intent of the first Cueball, who simply wagered the proof of his one god, but he has no control over the situation.

It is unclear why the Cueballs behave in this fashion, instead of treating all the proofs as proving the existence of the same god. Perhaps each one rewords their arguments for god(s) sufficiently to make them sound different than other gods. This is not without precedent; for instance, scholars of comparative mythology believe that the religion of Proto-Indo-European peoples splintered into many disparate religions of Europe and West Asia.

This comic may be referencing a common counterargument to Pascal's Wager — that it works equally well for any hypothetical god which offers paradise for one action and damnation otherwise. This can even include hypothetical gods with contradictory criteria for entrance into paradise. In this case, the Cueballs apparently chose to believe in ''n'' deities to cover their bases.

The title text suggests that everyone should draw a proper Pascal's Triangle, since there is a possibility that God wants you to do so, and if they do then the benefits of pleasing them or the costs of displeasing them could be high, whereas if they have no such desire then there is minimal cost to drawing one anyway. The failing of this logic is that God may have a positive preference for you ''not'' to draw a Pascal's Triangle.

Pascal's Wager was previously mentioned in the title text of [[525]].

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}

:[Cueballs, each holding some document, are shown in a triangular arrangement, with arrows pointing from upper to lower Cueballs:]
C1
C2 C3
C4 C5 C6
C7 C8 C9 C10
C11 C12 C13 C14 C15
:C1: Hey, you two below me! Here's a proof that you should believe in my god!
:C2 & C3: I'm convinced! Hey, you two below me! Here's a proof that you should believe in my god!
:C4 & C6: I'm convinced! Hey, you two below me! Here's a proof that you should believe in my god!
:C5: Ok, I believe you both! Hey, you two below me! Here's a proof that you should believe in my '''two''' gods!
:C7: I'm convinced! Hey, you two below me! Here's a proof that you should believe in my god!
:C8 & C9: Ok, I believe you both! Hey, you two below me! Here's a proof that you should believe in my '''three''' gods!
:C12 & C14: Ok, I believe you both! Hey, you two below me! Here's a proof that you should believe in my '''four''' gods!
:C13: Ok, I believe you both! Hey, you two below me! Here's a proof that you should believe in my '''six''' gods!

:[Caption below the panel:]
:Pascal's Wager Triangle

{{comic discussion}}

[[Category:Comics featuring Cueball]]
[[Category:Multiple Cueballs]]
[[Category:Math]]
[[Category:Religion]]

2945: Broken Model

2024-06-17T09:27:42Z

172.70.162.18: /* Explanation */

{{comic
| number = 2945
| date = June 12, 2024
| title = Broken Model
| image = broken_model_2x.png
| imagesize = 278x448px
| noexpand = true
| titletext = In addition to eating foxes, rabbits can eat grass. The grass also eats foxes. Our equations chart the contours of Fox Hell.
}}

==Explanation==
{{incomplete|Created by HELPLESS GRASS. Do NOT delete this tag too soon. Otherwise, the KILLER SKINWALKER FROM THE BUNNYROOMS may come for you.}}
This comic shows [[Miss Lenhart]] explaining a mathematical model of a predator-prey relationship. The model has the terms swapped, showing that 400 rabbits are preying on 20 foxes. The teacher realizes this mistake and says "If this were an ecology class, I would have to fix that." Instead of fixing the model, though, she instead begins to calculate using this flawed model, and notes that this model implies that rabbits are carnivores.

The equations start with Nrabbits(0)=400 and Nfoxes(0)=20, the number of rabbits and foxes at time 0, followed by what looks like the {{w|Lotka–Volterra equations}}, a pair of first-order nonlinear differential equations, frequently used to describe the dynamics of biological systems in which two species interact. One of the pair of equations describes the number of prey over time, the other the number of predators over time, differing only by a negative sign (and coefficients). It is easy to mix up which equation describes which species, leading to the inverted predator-prey relation described.

If this was indeed the case the rabbits would likely soon render the foxes extinct. They might not, if each rabbit requires to eat a very small amount of fox, and they hunt in packs, so that a single fox feeds many rabbits, but it would need to be a very small amount, very infrequently. The reason this doesn't happen in reality for rabbits is that they outnumber the foxes (20 foxes vs 400 rabbits) and thus enough of them can survive being preyed upon to maintain the species. Often the predator takes the old and sick animals first, thus keeping the rest of the animals more healthy. But following the math of the wrong formula would soon lead to zero foxes. As per the title text, the rabbits could survive without the foxes to prey on, since they still eat grass (assuming that there is not some specific nutrition requirement that is only fulfilled by the foxes). However, this reality is terrifying for the foxes, because they are rendered as prey.

The title text extends the joke by looking at a even more flawed model. This model has grass as well, but instead of grass and foxes not interacting, grass eats foxes, creating a "Fox Hell."
In the real world, grass doesn't hunt foxes{{citation needed}}, but instead, grass pulls nutrients from air and soil and synthesizes its energy through [https://soandmo.com/blogs/blog/where-does-the-grass-plant-get-its-energy-from photosynthesis], and may use foxes that have already died from other causes as fertilizer. Foxes do occasionally [https://www.wildlifeonline.me.uk/animals/article/red-fox-diet-what-foxes-eat eat grass], although not as food, but for other health reasons.

==Transcript==
:[Miss Lenhart is holding a pointer to a whiteboard, indicating the last part of the last line of text.]
:Miss Lenhart: Hmm, looks like I accidentally swapped the predation terms.
:Miss Lenhart: If this were an ecology class, I would have to fix that.
:Miss Lenhart: Unfortunately for those 20 poor foxes, this is calculus, and the math says these 400 rabbits are hungry for meat.

:[There are three lines on the white board, where the '...' ellipses in the bottom line are illegible:]
:Nrabbits(0) = 400
:Nfoxes(0) = 20
:dN0/dt = ... dN.../... = ...

:[Caption below the panel:]
:Every broken mathematical model is just a glimpse into a terrifying alternate universe.

{{comic discussion}}

[[Category:Comics featuring Miss Lenhart]]
[[Category:Math]]
[[Category:Biology]]
[[Category:Animals]]

Talk:2946: 1.2 Kilofives

2024-06-15T20:52:37Z

172.70.162.18: Typing correction.

== Challenge: Come up with a way like this to say the comic number #2946. ==

Challenge: Come up with a way like this to say the comic number #2946. [[User:Barmar|Barmar]] ([[User talk:Barmar|talk]]) 03:00, 15 June 2024 (UTC)
:How about 4.91 hectosixes? [[Special:Contributions/172.69.33.190|172.69.33.190]] 04:19, 15 June 2024 (UTC)
:A kibitwo, four decascore, four score and eighteen. Two octooctotwentythrees and two. A gross-score, three score and 6. [[User:Jordan Brown|Jordan Brown]] ([[User talk:Jordan Brown|talk]]) 05:00, 15 June 2024 (UTC)
:A semidozen tetrahectaenneacontahena. [[User:Xkcd machine guy|Xkcd machine guy]] ([[User talk:Xkcd machine guy|talk]]) 08:25, 15 June 2024 (UTC)
:A decapentagross minus a semiennea. [[User:Xkcd machine guy|Xkcd machine guy]] ([[User talk:Xkcd machine guy|talk]]) 10:10, 15 June 2024 (UTC)
Interestingly, four score and seven is exactly how you say 87 in French (quatre-vingt sept) and Basque (laurogeita zazpi). Both count on base 20. [[Special:Contributions/172.70.90.138|172.70.90.138]] 05:16, 15 June 2024 (UTC)

== Comic discussion ==

Fun fact: libqalculate and the "Qalculate"/"qalc" programs can just deal with the title text:
qalc "50milli score"
50 × (10^−3) × score = 1
But it fails on the main part, the best that works is:
qalc "1.2kilo 5"
1.2 × 10³ × 5 = 6000
"five" gets interpreted as Euler's number × imaginary unit × unknown "f" × unknown "v". On my old laptop, I must have some other configuration or maybe an old version, because there it gets interpreted as 0×i×e=0, so you can enter "five plus five" and get 0. Maybe another challenge would be to get arbitrary misleading results out from equations like this. [[User:Fabian42|Fabian42]] ([[User talk:Fabian42|talk]]) 05:59, 15 June 2024 (UTC)

Perhaps East Hills NY, but their "Welcome" boards don't mention population, https://www.google.co.uk/maps/@40.7805262,-73.632634,3a,15y,25.75h,92.88t/data=!3m6!1e1!3m4!1sf5guvv2tETuyn0f_lSFh7A!2e0!7i16384!8i8192?hl=en&coh=205409&entry=ttu so this might just be a random name that R. came up with[[User:Zeimusu|Zeimusu]] ([[User talk:Zeimusu|talk]]) 07:40, 15 June 2024 (UTC)

In the comic *fives* does not stand for the number five alone, but for five people. So using it with a prefix is more valid. Sebastian --[[Special:Contributions/172.68.110.4|172.68.110.4]] 10:15, 15 June 2024 (UTC)
: Five kilopeople would be valid.
: [[Special:Contributions/172.70.91.63|172.70.91.63]] 10:34, 15 June 2024 (UTC)

I think it would have made more sense to say "half a kilodozen". --[[Special:Contributions/141.101.69.45|141.101.69.45]] 11:54, 15 June 2024 (UTC)
:It's just slightly off a gross of ultimate answers. [[Special:Contributions/172.70.162.186|172.70.162.186]] 16:30, 15 June 2024 (UTC)

I wonder why Randall chose to make Cueball the character saying that and not Black Hat/classhole. [[User:Turquoise Hat|Turquoise Hat]] ([[User talk:Turquoise Hat|talk]]) 15:35, 15 June 2024 (UTC)
:Live long enough to become the villain.
:[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 17:14, 15 June 2024 (UTC)

I realized that kilofives can be abbreviated as **k5**, as in "the population is 1.2 k5". Or if you're a roman, as **D**. [[Special:Contributions/172.71.22.92|172.71.22.92]] 16:30, 15 June 2024 (UTC)

Wouldn't CIↃ have been rendered as <nowiki></nowiki>?
[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 17:22, 15 June 2024 (UTC)

I like it. I'm gonna start using this technique more. [[User:Psychoticpotato|P?sych??otic?pot??at???o ]] ([[User talk:Psychoticpotato|talk]]) 20:04, 15 June 2024 (UTC)

The weird thing is, this wasn't a weird way to say a number, it was just an old way to say it. See Psalm 90:10 in the King James Bible more examples. [[Special:Contributions/172.70.162.17|172.70.162.17]] 20:51, 15 June 2024 (UTC)

2941: Cell Organelles

2024-06-05T09:46:36Z

172.70.162.18: /* Explanation */

{{comic
| number = 2941
| date = June 3, 2024
| title = Cell Organelles
| image = cell_organelles_2x.png
| imagesize = 563x451px
| noexpand = true
| titletext = It's believed that Golgi was originally an independent organism who was eventually absorbed into our cells, where he began work on his Apparatus.
}}

==Explanation==
{{incomplete|Created by a GOLGI ENDOPLASMIC RETICULUM. Do NOT delete this tag too soon.}}

This comic shows a {{w|Cell (biology)|biological cell}} diagram with a mix of real and fictional {{w|organelle}}s, giving both accurate {{w|Cell biology|cell biology}} terms and humorous ones. Actual cell components include the nucleus, mitochondria, and Golgi apparatus, while unrelated concepts come from geology, engineering, anitvirus software, and even Star Wars. Labels like "evil endoplasmic reticulum" and "sticky endoplasmic reticulum" are variations of real cellular organelles. Other labels like "pith," "mantle," and "Vitreous humor," are borrowed from other types of circular cross-sectional diagrams (e.g., of fruit, planets, and eyeballs).

The title text is a fictional backstory to the {{w|Golgi apparatus}}, an essential cell organelle involved in processing and packaging proteins. It suggests that {{w|Camillo Golgi}}, the scientist who discovered the Golgi apparatus, was originally an independent organism that was supposedly absorbed into our cells, where it then started working on what is now known as the Golgi apparatus. The joke is a satirical take on {{w|Symbiogenesis|endosymbiotic theory}}, which posits that certain organelles within {{w|Eukaryote|eukaryotic}} cells, like {{w|mitochondria}} and {{w|chloroplasts}}, originated from independent symbiotic {{w|Prokaryote|prokaryotic organisms}} that were absorbed by a host {{w|germ cell}}. Golgi is drawn in the comic as a cute little alien.

{| class="wikitable sortable"
|-
! Label
! Meaning
! Real?
! Cell organelle?
! Explanation
|-
| {{w|Smooth endoplasmic reticulum}}
| A network of tubular membranes within the cytoplasm of the cell, involved in the transport of materials.
| Yes
| Yes
| A standard term for the smooth (i.e., not ribosome-covered) portion of the {{w|endoplasmic reticulum}}.
|-
| {{w|Lithosphere}}
| The rigid outer part of the earth, consisting of the crust and upper mantle.
| Yes
| No
| Term from geology; part of the Earth's crust. Labeled cross-sectional diagrams of cells and of the layers of the Earth are commonly found in science textbooks.
|-
| {{w|O-ring}}
| A mechanical gasket in the shape of a torus; used to seal connections.
| Yes
| No
| Engineering term. Both the o-ring and pith are drawn connected to the inner cell membrane. Made famous in pop culture for being the root cause of the {{w|Space Shuttle Challenger disaster}}.
|-
| {{w|Pith}}
| The central tissue in plants, used for nutrient transport.
| Yes
| No
| Botanical term. Most people think of pith as the layer of soft tissue between the skin and the flesh of citrus fruit, which explains its position in the diagram. Both the pith and o-ring are drawn connected to the inner cell membrane.
|-
| {{w|Cell nucleus|Nucleus}}
| The central and most important part of an object, forming the basis for its activity and growth.
| Yes
| Yes
| The cell nucleus is an actual cell organelle which houses {{w|DNA}}.
|-
| {{w|Nucleolus}}
| A small dense spherical structure in the nucleus of a cell during {{w|interphase}}.
| Yes
| Yes
| Actual cell organelle, involved in {{w|ribosome}} production.
|-
| Nucleoloulous
| Not a real term.
| No
| No
| A humorous continuation of the terms "nucleus" and "nucleolus."
|-
| {{w|Nucleon}}s
| Protons and neutrons in the nucleus of an atom.
| Yes
| No
| While cells contain nucleons, the depicted circles are far larger than actual nucleons.
|-
| Drain plug
| A stopper for a drain.
| Yes
| No
| A plumbing term, which could refer to a {{w|porosome}}. Even small, temporary damage to the integrity of the {{w|cell membrane}} puts the cell at immediate and great risk of death.
|-
| Evil endoplasmic reticulum
| Not a real term.
| No
| No
| The rough endoplasmic reticulum is covered in ribosomes; the "evil" endoplasmic reticulum in the comic is covered in twice as many, and is thus twice as rough, making it evil.
|-
| {{w|Hypoallergenic}} filling
| Materials that cause relatively fewer allergic reactions.
| Yes
| Technically not incorrect
| Consumer product term, used e.g. for pillows and mattresses. If the {{w|cytoplasm}} doesn't cause allergic reactions within the cell, it is hypoallergenic.
|-
| Weak spot
| A vulnerable point.
| Yes
| Conceivably
| {{w|Cell membrane}} surfaces do indeed vary in strength, often due to the presence of organelles such as {{w|ion channel pore}}s or {{w|porosome}}s, both of which can be leveraged by viruses to enter cells.
|-
| {{w|Mitochondria}}
| Organelles that generate energy for the cell.
| Yes
| Yes
| Actual cell organelles. Mitochondria are widely known as the "powerhouse of the cell," a phrase originally coined in 1957 by biologist {{w|Philip Siekevitz}}[https://www.scientificamerican.com/article/powerhouse-of-the-cell/] which came to prominence online in the mid-2010s.{{acn}}
|-
| {{w|Midichlorians}}
| Fictional microorganisms in the {{w|Star Wars}} universe, which confer Force sensitivity and thereby {{w|Jedi}} associated powers.
| No
| Fictional
| It's unclear whether {{w|George Lucas}} intended for "midi-chlorians" to be {{w|Symbiogenesis|endosymbiotic organelles}} or internal {{w|Symbiosis|symbionts}}.
|-
| {{w|Chloroplast}}s if you're lucky
| Organelles in plant cells responsible for {{w|photosynthesis}}.
| Yes
| Yes, but in plants and plantlike organisms
| Actual cell organelles, found in plant cells and those of several different lineages of non-plant microorganisms and seaweeds. The phrase "if you're lucky" alludes to the good fortune that an organism, be it plant, animal, or microbe, gains by being able to photosynthesize, getting energy from sunlight, rather than have to run around all the time chasing energy. This benefit makes chloroplasts {{w|Kleptoplasty|worth stealing}}. Experiments have been conducted to transplant components of chloroplasts into mammal cells to slow disease.
|-
| Human skin
| The outer covering of the human body.
| Yes
| No
| Skin is a [https://en.wikipedia.org/wiki/Tissue_(biology) tissue] (multicellular structure). The idea that a complex tissue can be wrapped around a single cell, as if it were a cell wall, or outer {{w|cell membrane}}, or {{w|extracellular matrix}}, is patently, and humorously, absurd. This may be referencing the common factoid that house dust is mostly human skin, implying that the cell is covered in a layer of dust.
|-
| {{w|Carbonation}}
| {{w|Carbon dioxide}} dissolved in a liquid.
| Yes
| No
| Carbonation causes soda pop and similar liquids to bubble, fizz, foam, and {{w|effervesce}}. The little dots depicted in the comic look like carbonation bubbles.
|-
| Golgi
| {{w|Camillo Golgi}} (1843–1926) was an Italian biologist and {{w|pathologist}} who discovered the Golgi apparatus; known also for his works on the central nervous system.
| Yes
| No
| The real Golgi was not and is not a tiny alien being who merged with our cells, as the comic and title text imply.{{Citation needed}}
|-
| {{w|Golgi apparatus}}
| A complex of {{w|vesicles}} and folded membranes involved in secretion and intracellular transport.
| Yes
| Yes
| Actual cell organelle, which takes {{w|polypeptide}} chains from the rough endoplasmic reticulum via transport vesicles and processes them into their protein structure before sending them (again via vesicles) to their destination such as an organelle or outside of the cell.
|-
| {{w|Norton AntiVirus}}
| A software product designed to protect computers from malware.
| Yes
| No
| Viruses do attempt to insert themselves into cells, and many cell types do have antiviral mechanisms (notably the {{w|CRISPR}} (Clustered Regularly Interspaced Short Palindromic Repeats) DNA sequences in prokaryotes, which resist viral (bacteriophage) infection - however, the cell shown is not prokaryotic, since it contains a nucleus). A system designed to protect against computer viruses is unlikely to be helpful, though, since biological viruses are completely different, and cells have not been architected to support such software.
|-
| Sticky endoplasmic reticulum
| Not a real term, although parts of the reticula have sticky pockets.[https://www.frontiersin.org/articles/10.3389/fcell.2023.1156152/full]
| No
| No
| Another humorous twist on the actual types of endoplasmic reticula.
|-
| {{w|Pleiades}}
| A cluster of stars in the constellation Taurus.
| Yes
| No
| Even a single star is far too big to fit in a cell{{Citation needed}}. The labeled cluster in the comic looks like the actual constellation, as if this were a depiction of the night sky.
|-
| Natural flavor
| Flavoring derived from natural sources.
| Yes
| Conceivably
| A common ingredient on food labels (and sometimes cosmetics, etc.), usually meaning any substance to add flavor, aroma, or both, other than synthetic chemicals which are referred to as artificial flavors.
|-
| {{w|Cellophane}}
| A thin, transparent sheet made of regenerated {{w|cellulose}}.
| Yes
| No
| A type of packaging material. A {{w|cell wall}} is indeed made of cellulose, though not in the form of cellophane. Also, this drawing looks more like an animal cell, which unlike plants and fungi, do not usually have a cell wall.
|-
| {{w|Rough endoplasmic reticulum}}
| Endoplasmic reticulum with {{w|ribosomes}} attached, involved in protein synthesis.
| Yes
| Yes
| Actual cell organelle. "Rough" refers to the presence of ribosomes covering its membrane, which translate {{w|messenger RNA}} into polypeptide chains. Normally the endoplasmic reticulum would wrap around the cell nucleus.
|-
| {{w|Ventricle}}
| A chamber of the heart that pumps blood out.
| Yes
| No
| Ventricles are actually part of the body, and they are composed of many cells. Possibly a pun on {{w|vesicle}} (or {{w|vacuole}}), a small membrane-enclosed vessel, such as the transport vesicles that carry polypeptides from the rough endoplasmic reticulum to the Golgi apparatus for processing.
|-
| {{w|Mantle}} 
| The layer of the earth between the crust and the core.
| Yes
| No
| Misplaced geological term with many other meanings. Labeled cross-sectional diagrams of the layers of the Earth are commonly found in science textbooks.
|-
| {{w|Slime}}
| A moist, soft, and slippery substance, or a {{w|Slime_(toy)|goopy substance sold as a toy}}.
| Yes
| No
| Could refer to the slimy texture and appearance of {{w|cytoplasm}}, but not specific to cells. Slime was a frequent appearance on the Nickelodeon TV kids channel during [[Randall]]'s youth in the 90s.{{acn}}
|-
| {{w|Vitreous humour}}
| The clear gel that fills the space between the lens and the retina in the eyeball.
| Yes
| No
| The vitreous humour is in the eyes' {{w|extracellular matrix}}, not inside cells. Labeled cross-sectional diagrams of eyes are also commonly found in science textbooks.
|-
| {{w|Seed}}s
| Plant embryos used for reproduction.
| Yes
| No
| Seeds are multicellular, and sometimes contain small proportions of non-cellular tissue. Cells are found in seeds, not the other way around. Seeds would be labeled on a cross-sectional diagram of a fruit, not a cell.
|}

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}

Cell Organelles

[A cell is shown with the following structures and areas labeled, counter-clockwise from upper left:]

* Smooth endoplasmic reticulum
* Lithosphere
* O-Ring
* Pith
* Nucleus
* Nucleolus
* Nucleoloulous
* Nucleons
* Drain plug
* Evil endoplasmic reticulum
* Hypoallergenic filling
* Weak spot
* Mitochondria
* Midichlorians
* Chloroplasts if you're lucky
* Human skin
* Carbonation
* Golgi
* Golgi apparatus
* Norton AntiVirus
* Sticky endoplasmic reticulum
* Pleiades
* Natural flavor
* Cellophane
* Rough endoplasmic reticulum

[These labels are inside the cell:]

* Ventricle
* Mantle
* Slime
* Vitreous humour
* Seeds

{{comic discussion}}

[[Category:Biology]]

2941: Cell Organelles

2024-06-05T08:41:57Z

172.70.162.18: /* Explanation */

{{comic
| number = 2941
| date = June 3, 2024
| title = Cell Organelles
| image = cell_organelles_2x.png
| imagesize = 563x451px
| noexpand = true
| titletext = It's believed that Golgi was originally an independent organism who was eventually absorbed into our cells, where he began work on his Apparatus.
}}

==Explanation==
{{incomplete|Created by a GOLGI ENDOPLASMIC RETICULUM. Do NOT delete this tag too soon.}}

This comic shows a {{w|Cell (biology)|biological cell}} diagram with a mix of real and fictional {{w|organelle}}s, giving both accurate {{w|Cell biology|cell biology}} terms and humorous ones. Actual cell components include the nucleus, mitochondria, and Golgi apparatus, while unrelated concepts come from geology, engineering, anitvirus software, and even Star Wars. Labels like "evil endoplasmic reticulum" and "sticky endoplasmic reticulum" are variations of real cellular organelles. Other labels like "pith," "mantle," and "Vitreous humor," are borrowed from other types of circular cross-sectional diagrams (e.g., of fruit, planets, and eyeballs).

The title text is a fictional backstory to the {{w|Golgi apparatus}}, an essential cell organelle involved in processing and packaging proteins. It suggests that {{w|Camillo Golgi}}, the scientist who discovered the Golgi apparatus, was originally an independent organism that was supposedly absorbed into our cells, where it then started working on what is now known as the Golgi apparatus. The joke is a satirical take on {{w|Symbiogenesis|endosymbiotic theory}}, which posits that certain organelles within {{w|Eukaryote|eukaryotic}} cells, like {{w|mitochondria}} and {{w|chloroplasts}}, originated from independent symbiotic {{w|Prokaryote|prokaryotic organisms}} that were absorbed by a host {{w|germ cell}}. Golgi is drawn in the comic as a cute little alien.

{| class="wikitable sortable"
|-
! Label
! Meaning
! Real?
! Cell organelle?
! Explanation
|-
| {{w|Smooth endoplasmic reticulum}}
| A network of tubular membranes within the cytoplasm of the cell, involved in the transport of materials.
| Yes
| Yes
| A standard term for the smooth (i.e., not ribosome-covered) portion of the {{w|endoplasmic reticulum}}.
|-
| {{w|Lithosphere}}
| The rigid outer part of the earth, consisting of the crust and upper mantle.
| Yes
| No
| Term from geology; part of the Earth's crust. Labeled cross-sectional diagrams of cells and of the layers of the Earth are commonly found in science textbooks.
|-
| {{w|O-ring}}
| A mechanical gasket in the shape of a torus; used to seal connections.
| Yes
| No
| Engineering term. Both the o-ring and pith are drawn connected to the inner cell membrane. Made famous in pop culture for being the root cause of the {{w|Space Shuttle Challenger disaster}}.
|-
| {{w|Pith}}
| The central tissue in plants, used for nutrient transport.
| Yes
| No
| Botanical term. Most people think of pith as the layer of soft tissue between the skin and the flesh of citrus fruit, which explains its position in the diagram. Both the pith and o-ring are drawn connected to the inner cell membrane.
|-
| {{w|Cell nucleus|Nucleus}}
| The central and most important part of an object, forming the basis for its activity and growth.
| Yes
| Yes
| The cell nucleus is an actual cell organelle which houses {{w|DNA}}.
|-
| {{w|Nucleolus}}
| A small dense spherical structure in the nucleus of a cell during {{w|interphase}}.
| Yes
| Yes
| Actual cell organelle, involved in {{w|ribosome}} production.
|-
| Nucleoloulous
| Not a real term.
| No
| No
| A humorous continuation of the terms "nucleus" and "nucleolus."
|-
| {{w|Nucleon}}s
| Protons and neutrons in the nucleus of an atom.
| Yes
| No
| While cells contain nucleons, the depicted circles are far larger than actual nucleons.
|-
| Drain plug
| A stopper for a drain.
| Yes
| No
| A plumbing term, which could refer to a {{w|porosome}}. Even small, temporary damage to the integrity of the {{w|cell membrane}} puts the cell at immediate and great risk of death.
|-
| Evil endoplasmic reticulum
| Not a real term.
| No
| No
| The rough endoplasmic reticulum is covered in ribosomes; the "evil" endoplasmic reticulum in the comic is covered in twice as many, and is thus twice as rough, making it evil.
|-
| {{w|Hypoallergenic}} filling
| Materials that cause relatively fewer allergic reactions.
| Yes
| Technically not incorrect
| Consumer product term, used e.g. for pillows and mattresses. If the {{w|cytoplasm}} doesn't cause allergic reactions within the cell, it is hypoallergenic.
|-
| Weak spot
| A vulnerable point.
| Yes
| Conceivably
| {{w|Cell membrane}} surfaces do indeed vary in strength, often due to the presence of organelles such as {{w|ion channel pore}}s or {{w|porosome}}s, both of which can be leveraged by viruses to enter cells.
|-
| {{w|Mitochondria}}
| Organelles that generate energy for the cell.
| Yes
| Yes
| Actual cell organelles. Mitochondria are widely known as the "powerhouse of the cell," a phrase originally coined in 1957 by biologist {{w|Philip Siekevitz}}[https://www.scientificamerican.com/article/powerhouse-of-the-cell/] which came to prominence online in the mid-2010s.{{acn}}
|-
| {{w|Midichlorians}}
| Fictional microorganisms in the {{w|Star Wars}} universe, which confer Force sensitivity and thereby {{w|Jedi}} associated powers.
| No
| Fictional
| It's unclear whether {{w|George Lucas}} intended for "midi-chlorians" to be {{w|Symbiogenesis|endosymbiotic organelles}} or internal {{w|Symbiosis|symbionts}}.
|-
| {{w|Chloroplast}}s if you're lucky
| Organelles in plant cells responsible for {{w|photosynthesis}}.
| Yes
| Yes, but in plants and plantlike organisms
| Actual cell organelles, found in plant cells and those of several different lineages of non-plant microorganisms and seaweeds. The phrase "if you're lucky" alludes to the good fortune that an organism, be it plant, animal, or microbe, gains by being able to photosynthesize, getting energy from sunlight, rather than have to run around all the time chasing energy. This benefit makes chloroplasts {{w|Kleptoplasty|worth stealing}}. Experiments have been conducted to transplant components of chloroplasts into mammal cells to slow disease.
|-
| Human skin
| The outer covering of the human body.
| Yes
| No
| Skin is a [https://en.wikipedia.org/wiki/Tissue_(biology) tissue] (multicellular structure). The idea that a complex tissue can be wrapped around a single cell, as if it were a cell wall, or outer {{w|cell membrane}}, or {{w|extracellular matrix}}, is patently, and humorously, absurd. This may be referencing the common factoid that house dust is mostly human skin, implying that the cell is covered in a layer of dust.
|-
| {{w|Carbonation}}
| {{w|Carbon dioxide}} dissolved in a liquid.
| Yes
| No
| Carbonation causes soda pop and similar liquids to bubble, fizz, foam, and {{w|effervesce}}. The little dots depicted in the comic look like carbonation bubbles.
|-
| Golgi
| {{w|Camillo Golgi}} (1843–1926) was an Italian biologist and {{w|pathologist}} who discovered the Golgi apparatus; known also for his works on the central nervous system.
| Yes
| No
| The real Golgi was not and is not a tiny alien being who merged with our cells, as the comic and title text imply.{{Citation needed}}
|-
| {{w|Golgi apparatus}}
| A complex of {{w|vesicles}} and folded membranes involved in secretion and intracellular transport.
| Yes
| Yes
| Actual cell organelle, which takes {{w|polypeptide}} chains from the rough endoplasmic reticulum via transport vesicles and processes them into their protein structure before sending them (again via vesicles) to their destination such as an organelle or outside of the cell.
|-
| {{w|Norton AntiVirus}}
| A software product designed to protect computers from malware.
| Yes
| No
| Computer viruses and biological viruses are completely different, and systems designed to counter one generally don't work for the other. Many cell types do have antiviral mechanisms, notably the {{w|CRISPR}} (Clustered Regularly Interspaced Short Palindromic Repeats) DNA sequences in prokaryotes, which resist viral (bacteriophage) infection. However, the cell shown is not prokaryotic, since it contains a nucleus.
|-
| Sticky endoplasmic reticulum
| Not a real term, although parts of the reticula have sticky pockets.[https://www.frontiersin.org/articles/10.3389/fcell.2023.1156152/full]
| No
| No
| Another humorous twist on the actual types of endoplasmic reticula.
|-
| {{w|Pleiades}}
| A cluster of stars in the constellation Taurus.
| Yes
| No
| Even a single star is far too big to fit in a cell{{Citation needed}}. The labled cluster in the comic looks like the actual constellation, as if this were a depiction of the night sky.
|-
| Natural flavor
| Flavoring derived from natural sources.
| Yes
| Conceivably
| A common ingredient on labels, usually meaning any substance to add flavor, aroma, or both, other than synthetic chemicals which are referred to as artificial flavors.
|-
| {{w|Cellophane}}
| A thin, transparent sheet made of regenerated {{w|cellulose}}.
| Yes
| No
| A type of packaging material. A {{w|cell wall}} is indeed made of cellulose, though not in the form of cellophane. Also, this drawing looks more like an animal cell, which unlike plants and fungi, do not usually have a cell wall.
|-
| {{w|Rough endoplasmic reticulum}}
| Endoplasmic reticulum with {{w|ribosomes}} attached, involved in protein synthesis.
| Yes
| Yes
| Actual cell organelle. "Rough" refers to the presence of ribosomes covering its membrane, which translate {{w|messenger RNA}} into polypeptide chains. Normally the endoplasmic reticulum would wrap around the cell nucleus.
|-
| {{w|Ventricle}}
| A chamber of the heart that pumps blood out.
| Yes
| No
| Ventricles are actually part of the body, and they are composed of many cells. Possibly a pun on {{w|vesicle}} (or {{w|vacuole}}), a small membrane-enclosed vessel, such as the transport vesicles that carry polypeptides from the rough endoplasmic reticulum to the Golgi apparatus for processing.
|-
| {{w|Mantle}} 
| The layer of the earth between the crust and the core.
| Yes
| No
| Misplaced geological term with many other meanings.
|-
| {{w|Slime}}
| A moist, soft, and slippery substance, or a {{w|Slime_(toy)|goopy substance sold as a toy}}.
| Yes
| No
| Could refer to the slimy texture and appearance of {{w|cytoplasm}}, but not specific to cells. Slime was a frequent appearance on the Nickelodeon TV kids channel during [[Randall]]'s youth in the 90s.{{acn}}
|-
| {{w|Vitreous humour}}
| The clear gel that fills the space between the lens and the retina in the eyeball.
| Yes
| No
| The vitreous humour is in the eyes' {{w|extracellular matrix}}, not inside cells.
|-
| {{w|Seed}}s
| Plant embryos used for reproduction.
| Yes
| No
| Seeds are multicellular, and sometimes contain small proportions of non-cellular tissue. Cells are found in seeds, not the other way around. Seeds would be labled on a cross-sectional diagram of a fruit, not a cell.
|}

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}

Cell Organelles

[A cell is shown with the following structures and areas labeled, counter-clockwise from upper left:]

* Smooth endoplasmic reticulum
* Lithosphere
* O-Ring
* Pith
* Nucleus
* Nucleolus
* Nucleoloulous
* Nucleons
* Drain plug
* Evil endoplasmic reticulum
* Hypoallergenic filling
* Weak spot
* Mitochondria
* Midichlorians
* Chloroplasts if you're lucky
* Human skin
* Carbonation
* Golgi
* Golgi apparatus
* Norton AntiVirus
* Sticky endoplasmic reticulum
* Pleiades
* Natural flavor
* Cellophane
* Rough endoplasmic reticulum

[These labels are inside the cell:]

* Ventricle
* Mantle
* Slime
* Vitreous humour
* Seeds

{{comic discussion}}

[[Category:Biology]]

2940: Modes of Transportation

2024-06-03T14:29:07Z

172.70.162.18: /* Explanation */

{{comic
| number = 2940
| date = May 31, 2024
| title = Modes of Transportation
| image = modes_of_transportation_2x.png
| imagesize = 510x518px
| noexpand = true
| titletext = My bold criticism might anger the hot air balloon people, which would be a real concern if any of them lived along a very narrow line directly upwind of me.
}}

==Explanation==
{{incomplete|Created by a Transportationally convenient but insidiously dangerous robotic car - Please change this comment when editing this page. Do NOT delete this tag too soon.}}

Randall's chart compares different modes of transportation by how convenient and dangerous they are. At the top-left (high in convenience and low in danger) are airliners and trains, as these are both fast-moving vehicles on which many millions of dollars have been spent to make them safer. In the top-right, motorcycles are at the same convenience level, but are rated much more dangerous, since they are easy to lose control of at high speeds, and careless drivers (of cars) can easily hit a motorcycle and cause extreme harm. Things like unicycles (bottom-left) are considered much lower on the convenience scale, being not very fast or easy ways to travel, but relatively safe, while towards the centre, skis are apparently moderately convenient and moderately dangerous, since they are relatively easy to fall on if going fast downhill. Way out on their own in the bottom-right, hot air balloons appear to be unique in being rated least on convenience and highest on danger. Presumably, modes of transportation similar to hot air balloons (like zeppelins and blimps) are left off the chart to increase the gap for comedic effect.

Because a hot air balloon is rated so poorly, if an optimization algorithm considers it the optimal mode of transportation, it must be the result of a sign error (e.g. having a minus sign where a plus sign is supposed to be, or vice versa), making the algorithm optimize for the opposite result by mistake. This could be because, unusually, on the y axis of the chart higher is better, whereas on the x axis lower is better. If these were treated the wrong way around, it would result in the air balloon appearing to be the best result. More typically, you might plot convenience vs ''safety'', so that a higher value on either axis would represent a better result. However, both measures are still likely to need to take underlying data (for safety, incident counts, etc.; for convenience, travel time, etc.) and invert them, leading to potential for errors.

In order to compare the relative danger from each mode of transport, one can look at statistics of fatalities and injuries sustained during each activity. Traditionally this can be reported in fatalities/{{w|Killed_or_Seriously_Injured|KSI}} per mile driven or passenger mile (or other unit of distance), to account for the fact that some modes are used much more than others and make valid comparisons. They may also be reported per capita (but this ignores the relative usage of different modes), or per journey (but this doesn't take into account the fact that different modes typically have different journey lengths and times). All of these are somewhat flawed, since they are really measuring the danger ''to'' users of that mode of transport, both from their own conveyance, and from other sources such as other road users. Since ballooning is not a very common mode of transport, hot air balloon incidents are [https://pubmed.ncbi.nlm.nih.gov/9533500/ correspondingly uncommon], and flights are not routinely monitored or registered, it is difficult to draw strong conclusions from the data for hot air balloons.

The title text makes a joke that if a hot air balloon enthusiast disagrees with the ranking and is angered by it, they may wish to remonstrate or retaliate, but will have a difficult time getting to Randall's house with their preferred mode of transportation, because they are limited to travelling in the direction of the wind. If they chose an alternative form of transport, they would be making his point for him. In reality, hot air balloons have some freedom to choose their direction of travel, since by controlling their altitude they can access different wind directions at different heights. Randall should, therefore, be concerned about hot air balloonists who live within a wedge spanned by the various wind directions accessible on a given day. In principle, if the weather conditions are favorable, this could cover every direction from Randall's house. The phrase "hot air balloon people" is reminiscent of "autogyro people" from the title text of [[1972: Autogyros]].

Curiously, the comic includes most common forms of transport, and a number of less common ones, but omits examples such as buses (a mass transit solution arguably more convenient than trains). It is not clear if this is an error, or a deliberate choice to maintain the comic's layout and presentation.

This is the second comic in a row to feature an algorithm.

{| class="wikitable sortable"
|-
! Transportation !! Description !! Convenience !! Danger !! Zone
|-
|{{w|Train}}s
|Mass transit on rails, typically between urban centers.
|data-sort-value=""|Convenient and comfortable, provided proper funding/maintenance and filled timetables. Allows relatively cheap travel for many people at once.
|data-sort-value=""|Exceedingly safe, due to dedicated tracks along a controlled environment. Accidents are largely limited to individuals wandering onto the off-limit tracks.
|Practicality
|-
|{{w|Airliner}}s
|Mass transit by aircraft
|data-sort-value=""| Extremely fast travel between population centers for larger groups of people. Less comfortable and more expensive than trains.
|data-sort-value=""| Extremely safe due to strong regulation and relatively little traffic interactions. However, the few catastrophies that do happen have high death counts.
|Practicality
|-
|{{w|Car}}s
|Motorised road vehicle Most common method of long distance travel, used by many individuals to reach specific destinations
|data-sort-value=""| Owners of a car can usually go easily to any road-accessible location within a 200 mile/300 km radius. Requires constant focus, but can transport a few passengers or some cargo. Parking, maintenance, and infrastructure requirements are often ignored when judging car convenience.
|data-sort-value=""| Insides of cars are covered with safety features, because collisions are relatively common. Assuming appropriate speed limits and proper focus by the driver, accidents can largely be avoided. Driving is the most dangerous thing most people do, and cars are very dangerous to nearby pedestrians and cyclists.
|Practicality
|-
|Scooters
|Either: 
*{{w|Kick scooter}} - Less convenient than the placing would suggest.
*{{w|Scooter (motorcycle)|Low powered motorbike/moped}} - More dangerous than the placing would suggest.
*{{w|Motorized scooter|Engine-powered scooter}} - A middle-ground.
|data-sort-value=""| Kick scooter-style vehicles are probably less convenient than bicycles as they do not provide seating, and are less efficient at converting energy into motion. A low-powered motorbike is about as convenient as a bicycle, requiring refueling in lieu of pedalling, and going much faster.
|data-sort-value=""| Kick scooters are much slower – and therefore safer – than bicycles. A motorized scooter can exceed bicycle speeds, but falling might be slightly safer. Low-powered motorbikes often go much faster than bicycles, and would therefore be much more dangerous. All leave the rider vulnerable to danger from motorised traffic sharing the same space.
|Practicality
|-
|{{w|Bicycle}}s
|Human-powered (or {{w|Electric bicycle|mostly so}}) two-wheeled road vehicle
|data-sort-value=""| Assuming proper road or trail connections, bicycles are highly flexible for traveling to any location within a ~10 km radius, or further.
|data-sort-value=""| Bicycles mostly move slow enough for falls or collisions to have little impact, though they are vulnerable to motorized traffic where it shares the road, and are often perceived to be much more subject to danger than they really are.
|Practicality
|-
|{{w|Boat}}s
|Watercraft of various types
|data-sort-value=""| Specialized for water traffic, which is a very common form of transportation. Quite comfortable (unless you suffer from seasickness), but usually very slow.
|data-sort-value=""| Sinking, capsizing, or falling overboard, whether by collision or misuse, can be lethal, especially on the sea. However, collisions are very rare.
|Practicality
|-
|{{w|Walking}}
|Personal bipedal ambulation 
|data-sort-value=""| Can travel between any two connected points regardless of infrastructure, but most people only find it comfortable for a few kilometers. Very slow compared to even bicycles, but the energy intensity is good for exercise.
|data-sort-value=""| Most danger to those walking comes from others, such as being hit by a motorized vehicle. Has the potential for trip injuries, and walking up or down stairs is particularly dangerous, since a greater fall can result.
|Practicality
|-
|{{w|Motorcycle}}s
|...
|data-sort-value=""| As practical as cars to move between locations, but generally less comfortable, especially in rough weather.
|data-sort-value=""| Cars with all the safety features of bicycles. Exceedingly dangerous at higher speeds, especially when sharing the road with cars.
|Speciality/Recreational
|-
|{{w|Helicopter}}s
| Rotorcraft in which lift and thrust are supplied by horizontally spinning rotors.
|data-sort-value=""| Effective to move between any two points as long as there are landing pads of reasonable size. Can be used to hover relatively still in the air. Speed for utility helicopters is comparable to trains. Very loud, and very difficult to learn to fly.
|data-sort-value=""| As per {{w|Harry Reasoner}}: "An airplane by its nature wants to fly, and if not interfered with too strongly by unusual events or by a deliberately incompetent pilot, it will fly. A helicopter does not want to fly. It is maintained in the air by a variety of forces and controls working in opposition to each other, and if there is any disturbance in this delicate balance the helicopter stops flying; immediately and disastrously. There is no such thing as a gliding helicopter."
|Speciality/Recreational
|-
|{{w|Light aircraft}}
|In the United States, the general category of [https://www.faa.gov/aircraft/air_cert/design_approvals/small_airplanes/categories small aircraft] covers a variety of aircraft certified to weigh 19,000 pounds (8618 kg) or less at takeoff. Maximum allowed weight varies by specific category.
|data-sort-value=""|
|data-sort-value=""|
|Speciality/Recreational
|-
|{{w|Go-kart}}s
|...
|data-sort-value=""| A lack of proper suspension makes for a bumpy ride, poor clearance would leave them at risk of grounding on more uneven terrain, and the maximum speed is quite low.
|data-sort-value=""| Crashing is much more likely to cause spinal damage than bicycles, but the relatively low speed would make them much safer than other motorized vehicle options.
|Speciality/Recreational
|-
|{{w|Skateboard}}s
| A board on four wheels
|data-sort-value=""| Much slower and less energy-efficient than bicycles.
|data-sort-value=""| As long as you're not doing mad tricks in a quarterpipe, using a skateboard for transportation carries little risk, other than being struck by other users of the same space. Safety gear is common.
|Speciality/Recreational
|-
|{{w|Inline skates|Rollerblades}}
| Shoes with a single line of wheels at the bottom
|data-sort-value=""| Much slower and less energy-efficient than bicycles.
|data-sort-value=""| As long as you're not doing mad tricks in a quarterpipe, using rollerblades for transportation carries little risk, other than being struck by other users of the same space. Safety gear is common.
|Speciality/Recreational
|-
|{{w|Ski}}s
| Narrow strips of material to stand on while sliding down a hill
|data-sort-value=""| A fine way to move downhill relatively fast, but maintenance of the slope is required. Also a fairly quick way to travel on the flat when there is snow cover that would make other modes of transport challenging. Less useful in less conducive conditions.
|data-sort-value=""|Downhill skiers can reach high speeds at which collisions could cause significant injury to the skier's lightly protected body. It can be hard to control your speed at lower skill levels, but as long as low speeds are maintained (as it might when used as a transportation option), skiing is not that dangerous.
|Speciality/Recreational
|-
|{{w|Unicycle}}s
| One-wheeled human-powered vehicle
|data-sort-value=""|Can be a [https://www.somersetcountygazette.co.uk/news/24351890.wellington-teen-circumnavigates-globe-unicycle/ practical form of transport] for skilled riders. Because unicycles lack a gear system, they are less mechanically efficient than bicycles and have a much lower top-speed.
|data-sort-value=""| Because of the lower top-speed, unicycles would be safer than bicycles, though you may fall off it more frequently.
|Speciality/Recreational
|-
|{{w|Sled}}s
| A construction that can slide over snow, ice, or sand
|data-sort-value=""| Useful in limited conditions in which other forms of transport might struggle to cope with.
|data-sort-value=""| It is hard to properly control your speed downhill, but extremely safe on level terrain or slight slopes.
|Speciality/Recreational
|-
|{{w|Bumper Cars}}
| Small electric karts with rubber bumpers
|data-sort-value=""| Only really convenient for making ''very'' short journeys. Typically require an electronic mesh in the ceiling to move at all.
|data-sort-value=""| Apparently safe enough to be a hardly-supervized children's entertainment attraction.
|Speciality/Recreational
|-
|{{w|Hot Air Balloon}}s
| A basket tied to a huge bag of heated air
|data-sort-value=""| Provide limited control and low speeds. They were the only form of air-travel available in the 19th-century, but were overtaken by powered air-travel.
|data-sort-value=""| A malfunction in the balloon can result in a very rapid descent, from great height. A poorly executed descent could result in a mid-air collision (e.g. with trees, powerlines, etc.) with potential for a nasty fall.
|?????
|}

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}

:[A chart is shown, where the Y axis is labeled "Convenient for travel" and has an arrow pointing up and the X axis is labeled "Dangerous" and has an arrow pointing right.]
:[The following modes are shown in the "Zone of practicality" (a large irregular area fitting in to the top left corner of the chart), highlighted with a gray background, starting with the first few bunched at highest convenience, :]
:Trains [very convenient, very safe]
:Airliners
:Cars
:Scooters [the most dangerous of this set, at medium-low danger]
:Bicycles
:Boats [medium-high convenience, a slight amount of danger]
:Walking [the least convienient, at roughly half, and lowest danger of this set]
:[The following modes are shown in the "Zone of specialty and recreational vehicles" (a large irregular swathe from the top right to the bottom left, not quite touching the prior zone), highlighted with a gray background, the nodes spread in rough order from high convenience/danger to low convenience/danger:]
:Motorcycles [highly convenient, nearly maximum danger]
:Helicopters [not quite fully convenient, most danger]
:Light aircraft
:Go karts
:Skateboards
:Rollerblades
:Skis
:Unicycles
:Sleds
:Bumper cars [lowest convenience and lowest danger item]
:[The following is labeled "?????" (in the bottom right corner), and has a gray background all to itself in a small blob notably distant from the nearest other group:]
:Hot air balloons [placed as almost the least convenient and most dangerous, of all labels]

:[Caption below the panel:]
:Hot air balloons are the optimal mode of transportation, if your optimization algorithm has a sign error.

{{comic discussion}}

[[Category:Charts]]

2940: Modes of Transportation

2024-06-03T11:26:45Z

172.70.162.18: /* Explanation */

Talk:2940: Modes of Transportation

2024-06-03T10:39:11Z

172.70.162.18:

I'd say a bicycle is way less dangerous than a car [[Special:Contributions/172.68.192.196|172.68.192.196]] 21:36, 31 May 2024 (UTC) (para 1/4)
:Considering only the two vehicles themselves, I would probably agree with you but this comic is about convenience and danger of various means of transport. Wouldn't you agree that using a bicycle for transport in crowded city traffic is rather more dangerous to the cyclist than using a car is to the driver? {{unsigned ip|172.69.60.138|21:46, 31 May 2024}}
:It depends on whether you're comparing worst case injuries versus injury rate. Since airliners are considered one of the safest, I think it's injury rate. [[User:Barmar|Barmar]] ([[User talk:Barmar|talk]]) 22:07, 31 May 2024 (UTC)
:I'd say a bicycle is less dangerous than a unicycle, but apparently walking<unicycle<car<bicycle. No metric I can think of matches that order, neither danger in a vacuum, danger in a self-environment, danger in a car environment, or danger to others in any environment. I'm quite confused. --[[Special:Contributions/172.70.114.29|172.70.114.29]] 05:29, 1 June 2024 (UTC)
::On a per-passenger-mile basis, walking is over ten times more dangerous than driving, and trains are about four times as dangerous as planes. So this comic can't be about risk of death per mile. It must be something more like risk of death per hour, which is extremely low for unicycles since people don't usually ride them in life-threatening situations outside of circuses. Similarly, travelling to and from work on a pogo stick every day would be quite dangerous, but in practice, people hardly ever die on a pogo stick. So it depends how you measure it. [[User:EebstertheGreat|EebstertheGreat]] ([[User talk:EebstertheGreat|talk]]) 06:07, 1 June 2024 (UTC)
::: I can see the danger/hour, but surely the unicycle shouldn't count as a mode of transportation when it is used in a circus? You also don't want to count the hours when a car is stationary and the driver is waiting for someone to enter or leave (which is a significant amount of time for taxi's). So when it is used for actual transportation, it is most certainly more dangerous per hour than many other things on this graph. --[[Special:Contributions/172.70.110.99|172.70.110.99]] 23:58, 1 June 2024 (UTC)
:I think there is a couple that are off on here since I think light aircraft and helicopters are also less dangerous than cars when looking at accident rates vs trips or vs miles traveled. Cars are quite dangerous. They sure are convenient though. [[Special:Contributions/172.64.238.87|172.64.238.87]] 09:57, 1 June 2024 (UTC)
:Agreed: By any metric I can think of, this chart is grossly off on more than one form of transport. For one thing, inline skating is ''much'' safer than skateboarding in almost every scenario except approaching a bunch of mean kids. [[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 21:59, 2 June 2024 (UTC)
: I think the metric he's using is actually ''perceived'' danger.[[Special:Contributions/172.70.90.145|172.70.90.145]] 08:19, 3 June 2024 (UTC)
:: I think the whole chart is on a "perceived" level. I would assume that "convenience" also would include "getting from A to B fast" for which cars and bicylces are too close together. And motorcycles are surely fun but if they were even closely as convenient as a car I would use the former more often than latter - which I don't as a car is MUCH more convenient. I think the meaningfulness of the chart is more like [[Fuck Grapefruit]] a matter of opinion than an actual analysis based on actual statistics. [[User:Elektrizikekswerk|Elektrizikekswerk]] ([[User talk:Elektrizikekswerk|talk]]) 08:39, 3 June 2024 (UTC)

Most deaths are either due to involved cars or people doing races or stunts. [[Special:Contributions/172.68.192.196|172.68.192.196]] 21:36, 31 May 2024 (UTC) (para 2/4)

I would not count "died because plane crashed onto road" into car dangers, as I would not count F1 driver death into the same bucket as car commuters. [[Special:Contributions/172.68.192.196|172.68.192.196]] 21:36, 31 May 2024 (UTC) (para 3/4)
:So I would do the same for bikes. [[Special:Contributions/172.68.192.196|172.68.192.196]] 21:36, 31 May 2024 (UTC) (para 4/4)
::Agreed. Deaths caused by cars should not count against bikes unless "plane crashed onto road" would count against cars & 'flying by nuclear rocket' would count against the poor people walking below.
::[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 22:00, 2 June 2024 (UTC)

It's not actually true that a hot air balloon has only one possible direction of travel. It seemed relevant so I added a couple of sentences to the explanation. I suspect Randall is aware of this of course, being a weather nerd. [[Special:Contributions/162.158.74.69|162.158.74.69]] 00:28, 1 June 2024 (UTC)

Meh... A hot air balloon is not a "mode of transportation", that is it's not a means to go from location A (on the ground) to location B (on the ground) A hot air balloon is means of going ''Up'', and staying ''up'' for an reasonable period of time. In most balloon rides, the "destination" is irrelevant, the purpose of the ride is to reach altitude, not travel horizontally. I feel Randall misses the point of balloons here. It shouldn't be only the graph, because it's not a "Mode of transport".
[[User:Zeimusu|Zeimusu]] ([[User talk:Zeimusu|talk]]) 21:13, 1 June 2024 (UTC)
:The graph only addresses how convenient\dangerous things are as a form of transport. A Slip-N-Slide could easily have made the list, if Randall had viewed any such record attempts lately. Putting only practical modes of transport on the chart, would leave the lower right empty. If one wanted to know whether hot-air balloon ''was'' a practical mode of transport, one could theoretically consult a chart like this to find out that it isn't.
:[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 21:59, 2 June 2024 (UTC)

Are American hot air balloonists commonly fond of taking sniper rifles up with them? [[User:Kev|Kev]] ([[User talk:Kev|talk]]) 23:11, 31 May 2024 (UTC)
:From what I understand, it's considered unamerican not to.[[Special:Contributions/172.70.85.176|172.70.85.176]] 10:36, 3 June 2024 (UTC)

Dangerous to whom is relevant. Yes, cars are less dangerous to the driver than bicycles and pedestrians, but that is because the main threat to bicyclists and pedestrians is cars. If you count victim deaths in addition to perpetrator deaths, then cars are the least safe vehicle. [[Special:Contributions/172.71.99.30|172.71.99.30]] 01:56, 1 June 2024 (UTC)Regret
:Cars aren't dangerous; drivers are...[[Special:Contributions/172.70.86.82|172.70.86.82]] 09:38, 3 June 2024 (UTC)
:In fact, even the first part isn't true. If you just count self-caused injury/death, cars are more dangerous to their occupants than bikes are to their riders or, er, feet are to those walking.[[Special:Contributions/172.70.162.18|172.70.162.18]] 10:39, 3 June 2024 (UTC)

Are scooters really more convenient than bikes or does Randall just think they are cooler? Please discuss. [[Special:Contributions/172.69.58.128|172.69.58.128]] 04:17, 1 June 2024 (UTC)
:The convenience of scooters probably includes their relative storability/carryability between uses, easier to hop on and off (also you might get away with scootering down long corridors where a bike would be (more) frowned upon) and takes less maintenance. (Electric ones do have the additional fuss of charging (and ICE ones needing fuel/being more disruptively noisy), but hard to tell whether Randall means shove-along or motorised in any way). Probably he doesn't mean mopeds (also known as 'scooters', in some contexts), but they also may be considered like bicycles but marginally more convenient (when fuelled/serviced) and commensurately a little bit more dangerous (though I'd argue further over to near full-on-motorbikes, myself). But it's a lot of speculation either way. [[Special:Contributions/172.71.242.28|172.71.242.28]] 11:32, 1 June 2024 (UTC)
:Very inconvenient, and definitely more dangerous. No way to transport anything except in a rucksack. Terribly small wheels. Muscle-powered very strenous compared to a bike. Electrical make you freeze to death in winter. Wear down very quickly (bearings in wheels and steering, brakes). Only use for scooters are flat, smooth passages, certainly indoors. --[[Special:Contributions/172.71.246.69|172.71.246.69]] 09:49, 2 June 2024 (UTC)
:I think Randall's use of "scooters" here, may include mopeds & ebikes, since ebikes aren't listed here, yet are roughly equivalent to (or even just ''are'') a moped, while mopeds & high-output ebikes <45MPH are often classed among "scooters".
:[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 21:59, 2 June 2024 (UTC)
::A "high-output e-bike" is (or should) be classified under "motorbike". And I already (before I read this) included reference to electrically-assisted bicycles under the Bicycles entry itself. There may be various distinctions recognised under different local laws, but power-assisted-pedalling versions (augmenting, but not making insigificant, the riders' 'normal' effort) and power-rather-than-pedalling versions (which would go all the way up to those with ''no pedals'', totally reliant upon the motor) would probably sit either side of the notional divide that might be recognised by those in charge of classifying them. [[Special:Contributions/172.69.79.182|172.69.79.182]] 22:43, 2 June 2024 (UTC)

I would expect that unicycles are more dangerous than bicycles. For that matter, bicycles are probably more dangerous than tricycles, and those would be slightly less safe than quadcycles. There we probably hit the optimal point, but I doubt anyone has done an in dept study into this matter. Just for starters: a double blind test would not be particularly safe for the riders. [[Special:Contributions/172.71.98.101|172.71.98.101]] 07:00, 1 June 2024 (UTC)
:When you have learnt how to ride a bike, a tricycle can actually be ''harder'' to ride, due to having to unlearn your existing bicycling instincts. To turn (or not to turn) on a bicycle involves at least 'microleaning', as well as steering, which can actually work against the steering geometry on a tricyle (perhaps a quadricycle is less effected, as one reverts to car-like behaviour/has to account for uneven road surfaces even more differently). Before you have the bike-riding skills (especially on front-wheel-pedal kids' trikes, which have yet more things going on than proper road-cycling tricycles) you generally don't get into the wrong mode of balance where you actually veer off exactly the opposite way to what you intend and maybe start to lift one of the rear wheels off the ground, or more.
:For similar reasons, it's much better to have a completely new passenger ('stoker') on a tandem who is not a cyclist than one who is (but it being their first time on a tandem). The 'steersman' does not need too much complication from their "luggage" instinctively leaning on their own (or unconsciously tugging left/right on their fixed-handlebars), at least until they've practiced their coordination so that there's just the right amount of weight redistribution at the right time to make the whole machine correctly metastable for the circumstances. A non-cyclist can generally be asked to "just sit there and pedal" and not, despite being told, throw themselves around in various ways not related to the (synchronised with the steersman) pedal-revs. [[Special:Contributions/172.71.242.28|172.71.242.28]] 11:32, 1 June 2024 (UTC)

There's a "jetpack" missing to the right of hot air ballons... [[Special:Contributions/108.162.221.61|108.162.221.61]] 10:26, 1 June 2024 (UTC)
:On the far right. Together with paragliding. --[[Special:Contributions/172.71.246.69|172.71.246.69]] 09:49, 2 June 2024 (UTC)
::Hey now, paragliding is quite safe & convenient, so long as you can locate updrafts, & have free airspace, & stay away from the back & sides of any upwind slopes, & don't bank too hard, & ... OK yeah, I can see it now. [[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 22:20, 2 June 2024 (UTC)
:: And jetskis.[[Special:Contributions/172.70.90.177|172.70.90.177]] 08:25, 3 June 2024 (UTC)
::: Also, {{w|Lawnchair_Larry_flight|helium balloon chair}}.[[Special:Contributions/172.70.85.7|172.70.85.7]] 08:29, 3 June 2024 (UTC)

Hot air balloons can be particularly dangerous in large groups, each being approximately 1.11% of an extinction level event. [[Special:Contributions/172.69.246.143|172.69.246.143]] 15:53, 1 June 2024 (UTC)
:That's only asserted to be true for the red ones... [[Special:Contributions/172.70.85.157|172.70.85.157]] 17:23, 1 June 2024 (UTC)

== Other in-between modes of transport? ==

So which modes of transports belong in the white band between the "Zone of specialty and recreational vehicles" and the Hot air balloons? I would suggest the Autogyro (see [[1972:_Autogyros|#1972]]) between the skis and the hot air balloon. Any other suggestions? [[User:Frog23|Frog23]] ([[User talk:Frog23|talk]]) 22:44, 31 May 2024 (UTC)
:A shovel? Tunneling is both dangerous & inconvenient...
:[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 22:13, 2 June 2024 (UTC)

== Explain "sign error" (done?) ==

I came here to find out what a sign-error is, but the description assumes I already know. {{unsigned ip|162.158.74.69|22:58, 31 May 2024}}
: I think he means if you have erroneously given a negative as a positive, and thereby flipped your y-axis the wrong way up - making inconvenient things appear convenient.[[Special:Contributions/172.70.162.186|172.70.162.186]] 08:33, 3 June 2024 (UTC)
::''And'' flipped the x-axis. Or at least how you treat it. Note that one axis is "more is better" (convenience) and the other is "less is better" (danger), so any analysis that looks at comparative overall desirability has to treat one axis's position in a negative manner, whether seeking the coordinate with least deviation from perfection, the most deviation from imperfection, the most desirable vector away from a midpoint or whatever. The choice of exactly how to compare might juggle the effective linear rank of all items, although it visually looks like Trains would always rank first in most treatments (except those with a very weird weighting between the two measures, or even an 'ideal' position not on the "not dangerous at all" edge but maybe at a 'comfortably desired' amount of thrill).
::So you need to apply exactly one sign-flip to identify the (normally) practical zone for being best (not very convenient and very dangerous; nor undangerous and inconvenient). Apply that sign-flip to ''x'' instead of ''y'' (or vice-versa, depending upon your goal-seeking method) and you're identifying Hot Air Balloons as your perfect solution instead of (by Randall's apparent perception) Trains.
::At this point, you've not (just) flipped the Convenience axis over. Either you've flipped ''both'' around or you're now not doing the sanity-check on the original graph ''at all'' and just relying upon your doubly-missigned 'algorithm' (one input flipped, the other ''de''flipped).
::A related sign-error coordinate thing is in 3D data, where left-handed and right-handed coordinate systems are just a single sign-flip away (or all three flipped!), but often also combined with whether you should go with ''z'' being 'into' (or out of!) the paper graph (standard x-along and y-up, from 2D graphing) or it being 'up' (or 'down'!) with x/y being both laid horizontally. Both can be made true on a 'tabletop map', but less obvious which is the best way to use on a vertical screen. All this before you start applying other rotations, of course, to the data you initially define in whichever choice of fundemental coordinates you wish. But it can be confusing if you're unsure as to which baseline (left/right-handed, and "which axis is ''z''" probably less certain than subsequently filling in where the other two are) either to implement yourself or to interact with when you start work atop another basic implementation. I probably had more designs come up sideways (in some manner) than I ever did have them accidentally mirrored, whenever I started to dabble in a new 3D platform. [[Special:Contributions/172.69.195.230|172.69.195.230]] 10:37, 3 June 2024 (UTC)

2198: Throw

2024-06-03T02:20:22Z

172.70.162.18: /* Table of throw distances */ Actually, I decided to. And it does look quite good. (Maybe matching lower-left colour and first-column cells below would be better, but not right now.)

{{comic
| number = 2198
| date = September 3, 2019
| title = Throw
| image = throw.png
| titletext = The keys to successfully throwing a party are location, planning, and one of those aircraft carrier steam catapults.
}}
<div class="toclimit-3">{{TOC}}</div>
*To experience the interactivity of the game, visit the {{xkcd|2198|original comic}}.

==Explanation==
This is an interactive comic made to celebrate the release of [[Randall|Randall's]] new book, ''[[How To]]''. The comic is based on a chapter in the book.

As the comic celebrates the book, which was released on Tuesday, September 3rd, 2019, the comic was thus also released on a [[:Category:Tuesday comics|Tuesday]] to coincide with the release day, replacing that week's normal Wednesday release. This was the same timing used for another of Randall's book releases, when [[1608: Hoverboard]] came out on the Tuesday when [[Thing Explainer]] came out. Although the Hoverboard comic is much more complex than this one, they are both [[:Category:Dynamic comics|dynamic]] and [[:Category:Interactive comics|interactive]], and include [[:Category:Comics with animation|animations]]. Also, the [[Header text|header text]] changed to [[Header text#2019-09-04_-_Happy_Release_Day_-_bookstore|promote the release]] creating a large [https://www.explainxkcd.com/wiki/images/0/08/2198_Throw_-_Front_page_promotion.PNG combined promotion] of the book during the three full days the comic was on the front page (see more [[2198:_Throw/Screen-shots#Entire_xkcd_page_with_promotion|here]]).

In this comic the viewer can select a thrower and an object to be thrown, see this [[#Throwers and throw items|table]], and get an [[2198:_Throw/Screen-shots#Animation|animation]] of how the selected throw would work out, along with an estimated distance of the throw (both in the SI unit meter (m) and in other very arbitrary units; see this [[#Table of distance units|table]] below) if the throw was possible. Impossible throws include those where the thrower is not strong enough to throw the object, or when the thrower tries to throw themselves, which is possible as four "objects" are also listed as throwers, most prominently {{w|George Washington}}. As the picture above cannot show all the possible selections in the two windows, pictures of all possible selections can be found [[2198:_Throw/Screen-shots#Throwers_and_Objects|here]]

The formula/guideline is apparently based on chapter 10 from the new ''How to'' book, see more under [[#Formulas|Formulas]].

It seemed though, that there was a special case to the calculations with {{w|Thor|Thor's}} hammer ({{w|Mjolnir}}). Because this comic obviously refers to the {{w|Thor (Marvel Comics)|Thor}} from the {{w|Marvel universe}}, played by another possible thrower, {{w|Chris Hemsworth}} in the {{w|Marvel Cinematic Universe}}, and {{w|Mjolnir (comics)|his hammer}}, which is enchanted such that only those deemed "worthy" are able to lift it. As such, despite its mass in principle being liftable by many of the characters, only Thor, God of Thunder (who is canonically worthy), is able to throw it. Thor is also the only one who uses {{w|furlongs}} to measure his distances among the standard throwers. However, it is not a canonical part of this comic that only he can throw it, and its mass is not realistic, see more below.

[https://www.explainxkcd.com/wiki/images/f/f3/2198_Throw_-_Original_without_you.PNG Originally], when the comic was just released, there where only 7 throwers and 15 things to throw, giving a total of 105 different combinations; see the [[#Table of throw distances|table]] below. But only Thor can throw all 15, with three of the objects (George Washington, Thor's hammer, and the car) unthrowable by any of the other throwers. The smaller critters can throw only a few things, so the total number of throws is much less than 105. Still, there is an animation for all 105 combinations, but with no throw distance for many of these.

But already on day one the comic was out, a new thrower was added with the standard name "You", and this person, [[Knit Cap]], was also added to the objects that can be thrown increasing the number of throwers to 8 and objects to be thrown to 16. However, it would not be true to say that the number of options now would be 8 x 16 = 128, since the "You" can be customized when selecting it in the throwers menu (but not when selecting You in the object menu). When doing so a new window called [https://www.explainxkcd.com/wiki/images/thumb/4/48/2198_Throw_-_Custom_thrower.PNG/835px-2198_Throw_-_Custom_thrower.PNG Custom thrower] will open up over the comic. The "You" option can then be customized by changing the name (from the default "You"), and defining the height (default 5.8 ft = 1.77 m) and weight (default 160 lb = 72.57 kg), where ft (feet) can be changed to m (meter) and lb (pound) can be changed to kg (kilograms). But when doing so the window will not correct the number from feet to meter etc. but stay the same.

Below the above options there is line with four persons above it, defining a scale of ''athleticism'', the default second option being the drawing of "you" which represents ''Decent'' form (i.e. a normal person). The first on the scale is [[Black Hat]], who thinks moving things is for suckers, thus representing minimal athleticism. "You" in second position is in decent shape and pretty good form, representing decent athleticism. George Washington in third position represents extremely high athleticism, and as he states he threw so well they made him President. Finally the fourth position, representing a champion athlete, shows a person with a helmet with chin strap and goggles who states that he trains 36 hours a day by using a time machine. It is thus indicated that such athletes can only be so good by training more than is possible; for instance, if he travels 24 hours back every day, he could use 12 more of these to practice, making it 36 hours on that "normal day" and he would then still have 12 hours to eat and sleep/restitution before his next 36 hours training pass.

Changing away from the decent "You" to one of the other three characters on the athleticism scale does not, however, change the character used for the animation, which stays the same. But still this gives a very large number of different "yous" to both throw and be thrown.

A self-created character, unrealistically tall and heavy well over the human records for height ({{w|List of tallest people|272 cm}}) and/or weight ({{w|List of heaviest people|635 kg}}), can actually be able to [https://www.explainxkcd.com/wiki/images/e/e3/2198_Throw_-_You_throw_hammer_settings.PNG throw Thor's hammer] (For instance 4m and 1000 kg, see more [[2198:_Throw/Screen-shots#Hammer_throw|here]]. So it is not because it is magically inclined to only be thrown by Thor, it is just that the weight is set to 2000 kg, and only Thor of the standard characters have the strength (1000 times normal human strength) to throw such a heavy object. But if the "You" is big enough, the athletic difference with Thor will be compensated by sheer weight and height. See this table of [[2198:_Throw#Data_from_xkcd_code|data from the comic]] for the above numbers.

Interestingly, Thor can throw a squirrel 257 meters. If a Custom Thrower is created, and they are 200 meters tall and 150 KG, they can throw the squirrel 256 meters (1 meter less than Thor). Thor can throw an acorn 136 meters, and the Custom Thrower will throw it 133 meters. Now, Thor can throw Thor's Hammer 19 meters. The Custom Thrower can throw it 44 meters! Apparently there is more to the enchantment of Thor's Hammer than meets the eye, as it would have been expected that if Thor can throw a squirrel and an acorn farther than an extraordinary human, then certainly he could throw his own enchanted Hammer a longer distance. This is, of course, because the Custom Thrower now throws from much higher than Thor. As to why the height doesn't affect the acorn or squirrel throwing distance in the same way it does Thor's Hammer, we'll leave that to you, the reader.

The title text refers to throwing a party (a colloquial synonym of hosting a party) and first makes the assumption of actually giving hints for giving a party, and then switches to suggest a mechanism to literally throw a huge object, such as a house with a party going on inside. An {{w|Aircraft_catapult#Steam_catapult|aircraft steam catapult}} is a mechanism to launch aircraft from ships, typically used on aircraft carriers.

==Safety Considerations==
Many of the items, even if technically possible to throw, may not be able to be thrown safely.

For example:
* Depending on how the microwave oven is damaged when it hits the ground, it may still be able to appear to function, but no longer seal properly, and therefore leak dangerously high amounts of microwave radiation.
* Blenders have blades and glass. Even if no one is struck by the flying blender, the broken pieces would be hazardous later if they are not properly disposed of.
* Cars have gasoline and battery acid which may spill if one is thrown.
* A squirrel might bite the person attempting to throw it, which is dangerous as some squirrels have rabies.
* Pikachu could shock (possibly fatally) someone trying to throw it.
* If a {{w|Dwarf-tossing|person is thrown}}, that person may be badly injured. If you throw people without consent they might punch you{{Citation needed}}.

==Throwers and throw items==
*Here is a table with first the throwers and then the objects to be thrown.
**George Washington, Pikachu, and the squirrel are both throwers and throwable objects, as are the costumed option "You".
**For these four this is noted in the explanation. The "You" is also the first object, Washington and Pikachu is no. 11-12 and the Squirrel is also the last object (no. 16) in the object list.

{| class="wikitable" |
! Image
! Name
! Explanation
|-
|[[File:2198 Throw - you.png]]
|'''{{w|human|You}}'''
|'''Can also be thrown'''. The viewer may also choose to create a custom thrower, for instance, themself, inputting a name, height, weight, and general level of athleticism, as measured on a scale from "[[Black Hat]]" to "championship athlete" (a swimmer is pictured). The custom thrower is also selectable as a throwing item, presumably to provide more variety compared to the fixed values of George Washington.
|-
|[[File:2198 Throw - george.png]]
|'''{{w|George Washington}}'''
|'''Can also be thrown'''. The first president of the United States of America. There is a myth that a young George Washington threw a silver dollar across the {{w|Potomac River}} ("myth" being the operative word here — many sections of the Potomac are more than a mile wide, and the United States did not mint its own silver dollars until 1794, very late into Washington's life). He is also used as a throwing item to represent the likelihood of a thrower distance with an average human as the projectile. George Washington is shown as a very powerful thrower; the comic makes fun of the flagrant embellishment of Washington's life.
|-
|[[File:2198 Throw - quarterback.png]]
|'''An NFL {{w|quarterback}}'''
|A quarterback in the National Football League is a highly athletic individual. Gridiron football is a full-contact sport that requires durability, speed, and precision. One of the primary skills required of quarterbacks is to be able to throw the football far with precise accuracy.
|-
|[[File:2198 Throw - pikachu.png]]
|'''{{w|Pikachu}}'''
|'''Can also be thrown'''. Pikachu is a species of Pokémon and the mascot of the Pokémon franchise as a whole. Although Pikachu are not normally shown to throw things, the ''Super Smash Bros'' series shows they are perfectly capable of picking things up that do not significantly out-size them. That said, Pikachu is capable of throwing a wide variety of objects through the move Fling, which allows the user to deal damage by throwing its held item (and, incidentally, a Fling TM). Its presence as a throwing item appears to reference the most recently released Pokémon games as of the comic's release, ''Pokémon Let's Go Pikachu'' and ''Pokémon Let's Go Eevee'', where the partner Pokémon of the respective title is not kept in a Poké Ball but thrown into battle when deployed. According to Pokédex entries throughout the series, the average Pikachu is 1'04" (0.4m) tall and weighs 13.2 lbs (6kg). Randall appears to have done his research, as a custom thrower with these stats and default athleticism will have near-identical results to Pikachu for both thrower and thrown item.
|-
|[[File:2198 Throw - carly.png]]
|'''{{w|Carly Rae Jepsen}}'''
|A Canadian music artist with [https://www.youtube.com/watch?v=AgwAywJlo1M marginal throwing ability.]
|-
|[[File:2198 Throw - thor.png]]
|'''{{w|Thor}}'''
|Thor is the god of thunder in Norse mythology, wielding a hammer that returns to its wielder when thrown. He is also {{w|Thor (Marvel Comics)|featured in Marvel comics}} and is portrayed by Chris Hemsworth (listed below) in the Marvel Cinematic Universe series of films. Thor was previously referenced in [[2097: Thor Tools]].
|-
|[[File:2198 Throw - chris hemsworth.png]]
|'''{{w|Chris Hemsworth}}'''
|An Australian film actor, best known for his role as Thor in the Marvel Cinematic Universe.
|-
|[[File:2198 Throw - squirrel.png]]
|'''A {{w|squirrel}}'''
|'''Can also be thrown'''. A small mammal of the family ''Sciuradae'', known for hoarding acorns. Squirrels have been a [[:Category:Squirrels|recurring topic]] on xkcd and have been used in ''What if?'' in lieu of a subject that Randall really doesn't want to draw. Due to their small size, a squirrel is also selectable as a throwing item.
|-
|[[File:2198 Throw - microwave.png]]
|'''A {{w|microwave oven}}'''
|A common household appliance in most American homes, used to heat or reheat food for consumption.
|-
|[[File:2198 Throw - basketball.png]]
|'''A {{w|basketball (ball)|basketball}}'''
|An inflated sphere used as a projectile in the sport of the same name.
|-
|[[File:2198 Throw - blender.png]]
|'''A {{w|blender}}'''
|A common household appliance in most American homes, used to shred food or ingredients into slush for consumption or baking.
|-
|[[File:2198 Throw - gold_bar.png]]
|'''A {{w|gold bar}}'''
|The form in which gold is cast for storage.
|-
|[[File:2198 Throw - cake.png]]
|'''A {{w|wedding cake}}'''
|Traditionally a layer cake used for wedding receptions with copious amounts of frosting and figurines of the bride and groom standing upon the top layer. The figurines appear to have been removed before the cake is thrown, as they are before the cake is cut and served.
|-
|[[File:2198 Throw - pingpong.png]]
|'''A {{w|ping pong ball}}'''
|A small plastic sphere designed to bounce, used as a projectile in the sport of table tennis or "ping pong". Notably the ball is much more difficult to throw than the acorn, as its larger size yet much lighter weight causes it to lose more momentum due to air resistance.
|-
|[[File:2198 Throw - acorn.png]]
|'''An {{w|acorn}}'''
|A small nut which grows on oak trees and often serves as a squirrel's primary form of nourishment.
|-
|[[File:2198 Throw - hammer.png]]
|'''{{w|Mjolnir (comics)|Thor's hammer}}'''
|Mjolnir, an enchanted hammer in the {{w|Marvel universe}} which belongs to {{w|Thor (Marvel Comics)|Thor from Marvels comics}} and can only be lifted by those deemed worthy. It is based on {{w|Mjölnir}} the hammer of Norse God {{w|Thor}}, God of Thunder. In this comic, though, it appears that Mjolnir is just incredibly heavy, and Thor is able to throw it because he is very strong. The custom thrower is also able to throw it if their size and strength are set high enough. Setting aside this customization, Thor is the only standard thrower to be able to throw Thor's hammer. In the movies based on the Marvel universe, Thor is played by Chris Hemsworth, who is also one of the throwers, but in real life, he would of course not be able to throw such a weighty hammer.
|-
|[[File:2198 Throw - javelin.png]]
|'''A {{w|javelin}}'''
|An aerodynamic item like a spear thrown in Olympic sport.
|-
|[[File:2198 Throw - silver_spin.png]]
|'''A {{w|Dollar coin (United States)|silver dollar}} spinning'''
|A silver coin representing one (1) US dollar in value, as would have been common when George Washington was president. The coin is given two trajectories to choose from when thrown; Here '''spinning''', as one would properly throw a discus.
|-
|[[File:2198 Throw - silver_tumble.png]]
|'''A {{w|Dollar coin (United States)|silver dollar}} tumbling'''
|The coin's other possible trajectory, '''tumbling''', as might result from flipping a coin to make a decision. The spinning coin always goes farther than the tumbling one, since facing the air edge-on leads to a smaller area facing the wind and therefore less air resistance.
|-
|[[File:2198 Throw - car.png]]
|'''A {{w|car}}'''
|The most common form of long-distance transport in several well-developed countries.
|}

===Table of throw distances===
{| class="wikitable"
!style="background:#EAECF0;background:linear-gradient(to top right,#EAECF0 49%,#AAA 49.5%,#AAA 50.5%,#EAECF0 51%);line-height:1.2;padding:0.1em 0.4em;{{{style|}}}"|<div style="margin-left:2em;text-align:right">Thrower</div><div style="margin-right:2em;text-align:left">Item</div>
!NFL Quarterback
!George Washington
!Pikachu
!Carly Rae Jepsen
!Thor
!Chris Hemsworth
!Squirrel
|-
|rowspan="2"|'''Microwave oven'''
|10.32 m
|7.76 m
|N/A
|3.67 m
|181.57 m
|6.15 m
|N/A
|-
|33.85 feet
|25.46 feet
|N/A
|82.65 rack units
|1.99 football fields
|138.40 rack units
|N/A
|-
|rowspan="2"|'''Basketball'''
|40.18 m
|33.22 m
|2.34 m
|19.11 m
|113.67 m
|27.99 m
|N/A
|-
|16.74 horses
|19.54 smoots
|75.90 attoparsecs
|11.24 smoots
|1.42 Manhattan blocks
|16.46 smoots
|N/A
|-
|rowspan="2"|'''Blender'''
|16.58 m
|12.45 m
|N/A
|5.89 m
|333.25 m
|9.86 m
|N/A
|-
|9.75 smoots
|40.85 feet
|N/A
|132.51 rack units
|1.66 furlongs
|32.34 feet
|N/A
|-
|rowspan="2"|'''Gold bar'''
|9.73 m
|7.23 m
|N/A
|3.36 m
|549.28 m
|5.69 m
|N/A
|-
|31.93 feet
|23.73 feet
|N/A
|75.65 rack units
|2.73 furlongs
|128.11 rack units
|N/A
|-
|rowspan="2"|'''Wedding cake'''
|8.96 m
|6.75 m
|N/A
|3.2 m
|146.25 m
|5.35 m
|N/A
|-
|29.40 feet
|22.14 feet
|N/A
|72.00 rack units
|1.60 football fields
|120.45 rack units
|N/A
|-
|rowspan="2"|'''Ping-pong ball'''
|11.8 m
|11.63 m
|9.28 m
|11.25 m
|12.53 m
|11.41 m
|4.95 m
|-
|38.72 feet
|38.17 feet
|30.46 feet
|36.92 feet
|41.10 feet
|37.44 feet
|111.37 rack units
|-
|rowspan="2"|'''Acorn'''
|83.00 m
|75.84 m
|28.16 m
|62.85 m
|135.98 m
|67.91 m
|6.53 m
|-
|1.04 Manhattan blocks
|0.95 Manhattan blocks
|16.57 smoots
|26.19 horses
|1.49 football fields
|28.30 horses
|146.85 rack units
|-
|rowspan="2"|'''Thor's Hammer'''
|N/A
|N/A
|N/A
|N/A
|19.32 m
|N/A
|N/A
|-
|N/A
|N/A
|N/A
|N/A
|11.36 smoots
|N/A
|N/A
|-
|rowspan="2"|'''Javelin'''
|56.10 m
|42.04 m
|N/A
|20.12 m
|3028.75 m
|33.09 m
|N/A
|-
|23.37 horses
|17.51 horses
|N/A
|11.84 smoots
|15.06 furlongs
|19.46 smoots
|N/A
|-
|rowspan="2"|'''George Washington'''
|N/A
|N/A
|N/A
|N/A
|136.65 m
|N/A
|N/A
|-
|N/A
|N/A
|N/A
|N/A
|1.49 football fields
|N/A
|N/A
|-
|rowspan="2"|'''Pikachu'''
|15.22 m
|11.41
|N/A
|5.39 m
|332.52 m
|9.03 m
|N/A
|-
|49.94 feet
|37.45 feet
|N/A
|121.18 rack units
|1.65 furlongs
|29.63 feet
|N/A
|-
|rowspan="2"|'''Car'''
|N/A
|N/A
|N/A
|N/A
|27.22 m
|N/A
|N/A
|-
|N/A
|N/A
|N/A
|N/A
|16.01 smoots
|N/A
|N/A
|-
|rowspan="2"|'''Spinning dollar'''
|177.09 m
|143.96 m
|16.91
|92.63 m
|1331.21 m
|115.89 m
|2.20 m
|-
|1.94 football fields
|1.57 football fields
|9.95 smoots
|1.16 Manhattan blocks
|6.53 furlongs
|1.45 Manhattan blocks
|71.41 attoparsecs
|-
|rowspan="2"|'''Tumbling dollar'''
|58.17 m
|53.77 m
|13.92 m
|44.08 m
|84.82 m
|49.03 m
|2.14 m
|-
|24.24 horses
|22.41 horses
|45.67 feet
|18.37 horses
|1.06 Manhattan blocks
|20.43 horses
|69.42 attoparsecs
|-
|rowspan="2"|'''Squirrel'''
|58.64 m
|46.92 m
|2.92 m
|25.44 m
|256.54 m
|38.50 m
|N/A
|-
|24.43 horses
|19.55 horses
|65.71 rack units
|14.97 smoots
|1.28 furlongs
|16.04 horses
|N/A
|}

===Table of distance units===
*This is a table of the alternative distance units shown and their lengths in meters.
**Three of the units shown here are listed in the Wikipedia articles {{w|List of humorous units of measurement}}
**Five the units shown here are listed in the Wikipedia article {{w|List of unusual units of measurement}}.
***Only furlong and foot/feet are not in any of the lists (although a different type of feet is in the last list).
**There are ten alternative units in the source code for the comic. However, the wiffle unit cannot be used, and the light-nanosecond unit is inaccessible except by customization.
**Two of the units are off by an order of magnitude.
{| class="wikitable"
!Unit name
!Length in comic in meters
!Explanation
|-
|{{w|List_of_humorous_units_of_measurement#Wiffle|Wiffles}}
|0.0089
|A Wiffle, also referred to as a WAM for Wiffle (ball) Assisted Measurement, is equal to a sphere 0.089 m (3.5 inches) in diameter – the size of a {{w|Wiffle ball}}, a perforated, light-weight plastic ball frequently used by marine biologists as a size reference in photos to measure corals and other objects. Randall is thus a factor 10 off. While wiffles should be the next unit after rack-units and before feet, the unit conversion typo seems to prevent it from being accessible by any thrower-object combination, as it is now even smaller than the wrong measure for light-nanoseconds. Wiffles have thus only been discovered in the data of the comic, as it seems to be impossible to get it displayed in the comic itself.
|-
|{{w|List of unusual units of measurement#Light-nanosecond|Light-nanoseconds}}
|0.0299
|The light-nanosecond was popularized by Grace Hopper, referring to the length light could travel in a nanosecond. The actual length of a light-nanosecond is 0.299 m, about a foot long, but it seems that [[Randall]] was off by an order of magnitude. This measurement is used for lengths from 1 to 1.06 m, but none of the standard throwers or objects can be thrown for this short a distance, so it is not included in the table above. But with the custom user it is [https://www.explainxkcd.com/wiki/images/a/a5/2198_Throw_-_Light_nanoseconds_1m.PNG possible to get down to 1 m] where it will then be used, but of course, since it says 33 light-nanoseconds instead of 3 it is wrong. See some examples [[2198:_Throw/Screen-shots#Light_nanoseconds_error|here]].
|-
|{{w|List_of_humorous_units_of_measurement#Attoparsec|Attoparsecs}}
|0.03086
|The parsec is a unit of length used to measure large distances to astronomical objects outside the Solar System. A parsec is defined as the distance at which one {{w|astronomical unit}} subtends an angle of one {{w|arcsecond}}. One parsec is equal to about 3.26 light-years or 31 trillion kilometers (31×1012 km) or 19 trillion miles (19×1012 mi). Atto- is a unit prefix in the metric system denoting a factor of 10−18 or 0.000000000000000001. Together the two-unit exponents will almost cancel out, as 31 trillion kilometers can be written as 3.1×1018cm, meaning that an attoparsec is 3.1 cm. The unit is only used three times in non-customized settings: once for Pikachu and twice for the squirrel. This measurement is used for lengths from 1.06 to 2.69 meters. See [https://www.explainxkcd.com/wiki/images/7/79/2198_Throw_-_Attoparsecs_107cm_setings.PNG example here].
|-
|{{w|List_of_unusual_units_of_measurement#Rack_unit|Rack units}}
|0.0445
|A {{w|Rack unit}} (abbreviated U or RU) is a unit of measure defined as 1 3⁄4 inches (44.45 mm). Mainly used to measure the overall height of the likes of {{w|19-inch rack}} frames or the equipment put in there. It is used for lengths from 2.69 to 6.67 meters.
|-
|{{w|Foot (unit)|Feet}}
|0.3048
|One foot is defined as 0.3048 meters. In customary and imperial units, the foot comprises 12 inches and three feet compose a yard. This measurement is used for lengths from 6.67 to 16 meters.
|-
|{{w|List_of_humorous_units_of_measurement#Smoot|Smoots}}
|1.7000
|The {{w|Smoot}} is a nonstandard, humorous unit of length created as part of an MIT fraternity prank. One smoot is equal to {{w|Oliver Smoot}}'s height at the time of the prank, 5 feet 7 inches (1.70 m). Mr. Smoot was used to measure the length of the Harvard Bridge (connecting Boston and Cambridge) by being repeatedly laid down along the length of the bridge; the markings indicating distances in smoots along the bridge have been maintained by the fraternity. This measurement is used for lengths from 16 to 36 meters. While the smoot is a nonstandard unit of length, Oliver Smoot has been chairman of the American National Standards Institute (ANSI) and President of the International Organization for Standardization (ISO). ANSI and ISO are among the world's main standardizing bodies, so Randall may indirectly be making the pun that while Smoot's body isn't a standard measure, Smoot has been in charge of bodies that standardize measurements.
|-
|{{w|List_of_unusual_units_of_measurement#Horse|Horses}}
|2.4
|The length of a {{w|horse}} varies a lot with the horse type, breed, age, and genes. In the Wikipedia article on horses, the length of a horse is not even mentioned, only the height and weight. But Randall has used horses for measurements before. A {{w|horse length}} is approximately 8 feet (2.4 m). This measurement is used for lengths from 36 to 75 meters.
|-
|{{w|List_of_unusual_units_of_measurement#Block|Manhattan blocks}}
|80.0
|Most of {{w|Manhattan}} is a main {{w|street grid}} (the southernmost ~2 miles (3.2 km) isn't (no 1811 plan yet), the next ~8.25 miles is (including the bigger of two main central business districts), the remaining ~2.8 miles of island street system is less and less like the famous part the further north you go (steep hills and pro- and anti-grid people fighting). Between 1st Street and 164th or 165th {{w|city block|blocks}} are roughly 200 feet (79 m) wide net of streets and sidewalks (which sum to 60 feet (18 m) except 155th, 145th, 135th, 125th, 116th, 106th, 96th, 86th, 79th, 72nd, 57th, 42nd, 34th, 23rd, and 14th Streets are 100 feet (30 m) and {{w|Houston Street|the street below 1st}} is 125 feet (38 m) which is almost the perfect width to give the row of blocks below 1st a maximum width of 280 feet (85 m) street centerline-to-centerline which is what it would be if 0th Street existed and was 100 feet wide and the grid continued to its south side). Thus there are almost exactly 20 blocks per mile (the 100 foot streets aren't exactly once per 10 streets cause Broadway etc) and I measured 43,560.01 feet from the lowest street centerline point of the row of blocks below 1st to what the centerline of the grid-compliant part of 165th Street would be if it was 100 feet wide instead of 80 (this is closer to what it should be (43,560 feet) than my method's error bar size). {{w|Manhattan distance}} is a {{w|taxicab geometry}} concept (the shortest distance if you must travel parallel to or on Cartesian axes). This measurement is used for lengths from 75 to 131 meters.
|-
|{{w|List_of_unusual_units_of_measurement#Football_field_(length)|Football fields}}
|91.44/109.728
|A football field in the comic is 100 yards or 91.44 m long. An {{w|American football field}} is 100 yards between the end zone although by including those it is actually 120 yards or 109.728 m. Although it is an American comic, it doesn't state that it is an American Football field. A {{w|Football pitch}} in {{w|Association football}} (Soccer) is also often used, and although the length of those varies the usual size for champions league matches is 105 m. This measurement is used for lengths from 131 to 201 meters.
|-
|{{w|Furlongs}}
|201.168
|A furlong is a measure of distance in imperial units and U.S. customary units equal to one-eighth of a mile. It is part of the {{w|List_of_humorous_units_of_measurement#FFF_units|FFF_units}} of the {{w|FFF system}} for furlong/firkin/fortnight, length, mass and time. One furlong should therefore be 201.168 meters, though the United States does not uniformly use this conversion ratio. Older ratios are in use for surveying purposes in some states. Only Thor's distances are given in furlongs. This measurement is used for lengths of 201 meters (1 furlong) and up. For the standard throwers and items only Thor can throw over 200 m, thus only he uses Furlongs to measure his throws. Given that this is an old unit, and Thor is based on ancient Nordic Mythology, this may seem appropriate.
|}

===Data from xkcd code===
*A user got this data from the code (and added it to the comments).
**But it makes sense to include here:
*From this it can be seen that:
**Thor's Hammer is not special, just very heavy, 2000 kg despite being rather small.
**Thor has the same stats as Chris, except he has 1000 times more Throw power (10,000 vs 10).
*The customizable You can have Throw power of 5, 10, 15 and 20, and weight and height can be set along with the name.
**The diameter is calculated from the formula given, so in the standard setting it is about 0.5 m.

{| class="wikitable"
! id
! name
! canThrow
! canBeThrown
! length (m)
! diameter (m)
! mass (kg)
! dragC
! throwPower
|-
| microwave
| A microwave oven
| false
| true
| 0.406
| 0.406
| 10.591
| 0.8
|
|-
| basketball
| a basketball
| false
| true
| 0.243
| 0.243
| 0.624
| 0.3
|
|-
| blender
| a blender
| false
| true
| 0.203
| 0.203
| 5.216
| 0.8
|
|-
| gold_bar
| a gold bar
| false
| true
| 0.0535
| 0.0535
| 12.4
| 0.8
|
|-
| cake
| a wedding cake
| false
| true
| 0.51
| 0.51
| 13
| 0.8
|
|-
| pingpong
| a ping pong ball
| false
| true
| 0.04
| 0.04
| 0.003
| 0.5
|
|-
| quarterback
| an NFL quarterback
| true
| false
| 1.905
| 0.584
| 102.058
| 0.6
| 20
|-
| acorn
| an acorn
| false
| true
| 0.0191
| 0.0191
| 0.0045
| 0.3
|
|-
| hammer
| thor's hammer
| false
| true
| 0.5
| 0.15
| 2000
| 0.4
|
|-
| javelin
| a javelin
| false
| true
| 1.8
| 0.0254
| 0.8
| 0.1
|
|-
| george
| George Washington
| true
| true
| 1.829
| 0.562
| 90.718
| 0.6
| 15
|-
| pikachu
| Pikachu
| true
| true
| 0.4
| 0.3
| 5.9874
| 0.4
| 10
|-
| car
| A car
| false
| true
| 4.5
| 2.134
| 1179.34
| 0.25
|
|-
| silver_spin
| a silver dollar (spinning)
| false
| true
| 0.04
| 0.011
| 0.027
| 0.5
|
|-
| silver_tumble
| a silver dollar (tumbling)
| false
| true
| 0.04
| 0.04
| 0.027
| 0.66
|
|-
| carly
| Carly Rae Jepsen
| true
| false
| 1.575
| 0.46
| 49.895
| 0.6
| 10
|-
| thor
| thor, god of thunder
| true
| false
| 1.91
| 0.59
| 91
| 0.6
| 10000
|-
| chris hemsworth
| chris hemsworth
| true
| false
| 1.91
| 0.59
| 91
| 0.6
| 10
|-
| squirrel
| A squirrel
| true
| true
| 0.203
| 0.096
| 0.454
| 0.6
| 10
|-
| you (can change)
| You
| true
| true
| 1.77
| (mass^(1/3))/8
| 72.5
| 0.6
| 10
|}

===Formulas===
<math>\begin{array}{lcl}
g&=&9.805 \frac{\mathrm m}{{\mathrm s}^2} = 9.805 \frac{\mathrm N}{\mathrm{kg}}\\
A&=&\sqrt[3]{\frac {3 * \mathrm{thrower\_length} * \mathrm{thrower\_throwPower} * \mathrm{thrower\_mass}} {\mathrm{object\_mass} + \mathrm{thrower\_mass} / 1000}}\\
B&=&\sqrt{\frac{2 * \mathrm{object\_mass} * g}{\pi * {(\mathrm{object\_diameter} / 2)}^2 * 1.2041 \frac{\mathrm{kg}}{{\mathrm m}^3} * \mathrm{object\_dragC}}}\\
\mathrm{distance}&=&\frac{A^2 * \sqrt2} {g * \sqrt{\frac{A^4} { B^4} * 0.8 + \frac{A^2} {B^2} * 3 + 2}}
\end{array} </math>

Constants and Units:
* g is the gravitational acceleration (on earth)
* 1.2041 kg/m³ is the density of air at sea level
* A (in m/s) is the calculated throw speed regardless of direction, if you assume constant throw power over time in Watts and the body length as acceleration distance (arm has half the body length and goes from back to front) from 0 m/s to the final speed
* B is the possible throw speed, which still does not air brake the object too much. If the object is thrown at that speed, i.e. A = B, the distance is reduced to 58,7%. B is only dependent on the object. If B was set to infinite, the air resistance would be removed from the formulas.
* throwPower is in m²/s³, or equivalently W/kg (Watts per body mass)
* dragC is without unit and signifies the air resistance of the object and is dependent on the shape

==Extra pages==
As this comic is very complicated several screen shots and tables are needed for the full explanation. In order to keep this main page easy to use, these pictures and possibly some of the tables will be placed on some extra pages, as has also been done with [[:Category:Comic subpages|other complex comics]] in the past:
*[[2198: Throw/Screen-shots]]

==Transcript==
:[As this is an interactive comic, not all possible text should be given in this transcript. Also, it is not possible to see all the different throwers or objects in one image. This transcript here includes the text that can be found when loading the page, without changing the thrower or object (the default), but also includes the text that can be found by scrolling in the two select "windows" as that would be similar to a long comic where you need to scroll as well as customization options. For further differences that occur by changing the objects refer to a table of all combinations.]

:[A heading with a subheading is above a line, beneath which are a sentence, that is generated by the selections in the two windows beneath this sentence:]
:<big>'''Throw Calculator'''</big>
:This calculator implements the approximate throwing distance estimation model from ''How To'' Chapter 10: ''How to throw things''.

:How far could George Washington throw a Microwave oven?

:[Beneath this sentence are two "windows" with a frame around them, one to the left and one to the right, each with a heading breaking the top frame. Each also has a scroll bar to the right, which allows one to scroll down through 8 different possible selections in the left window and 16 in the right window. There are, depending on the browser zoom level, one or two selections on each line. Each window's content is given here under their respective headings. Each possible selection is a drawing with a caption beneath it.]
:Select a thrower

:*You
:*An NFL Quarterback
:*George Washington
:*Pikachu
:*Carly Rae Jepsen
:*Thor, God of Thunder
:*Chris Hemsworth
:*A squirrel

:Select an object to be thrown
:*You
:*A microwave oven
:*A basketball
:*A blender
:*A gold bar
:*A wedding cake
:*A ping-pong ball
:*An acorn
:*Thor's Hammer
:*A javelin
:*George Washington
:*Pikachu
:*A car
:*A silver dollar (spinning)
:*A silver dollar (tumbling)
:*A squirrel

:[Below the two windows is the result of the animation that will happen when a selection has been made. An animation of the selected thrower throwing (or failing to throw) the selected object is shown, and the object's traveling distance is measured out both in meters (SI units) and in some other unit in brackets below. If the distance is not too long compared to the size of the object and thrower, then both can be seen, and in case the object is soft it may break from the throw.]

:[In the pre-selected version, George Washington throws a microwave oven, which ends up several meters from him lying on a corner broken with its wire lying beneath it. The distance is given under the ruler along which the throw has occurred, with markings for approximately every meter. In this case, there are seven steps even though the distance is above 7 meters:]
:7.76 meters
:(25.46 feet)

:[Clicking on "You" in the thrower box opens a new window over the above described comic parts. some of the comic can still be seen including the thrower and his item, and a new throw occurs every time something is changed in this new window. It is a customization box with several options shown below.]

:Your Name
:____You_____ [can be changed]

:Height
:5.8 ft [number can be changed; ft can be changed to m]

:Mass
:160 lb [number can be changed; lb can be changed to kg]

:Athleticism
:[Below is a scale showing Black Hat, [[Knit Cap]] depicting You , George Washington, and a person with goggles and a helmet. A marker is set at You, but can be changed. Below the characters are descriptions.]
:Black Hat: Moving objects around is for suckers.
:Minimal
:You: I'm in decent shape and have pretty good form.
:Decent
:George Washington: I'm so good at throwing they made me president.
:Extremely High
:Goggles: I use a time machine to train for 36 hours a day.
:Champion Athlete

:[Once done the box can be clicking on a cross at the top right or just clicking outside the window on the comic behind it. Now the thrower you (and the object you) will have the weight, length and strength chosen and will be able to throw (or be thrown) with these stats. ]

==Trivia==
*The comic refers to Thor as the character from the Marvel comics and movies (and other media), who is himself a reference to the ancient Norse god. In Marvel Cinematic Universe movies, Thor is played by Chris Hemsworth.
*Thor's hammer, Mjölnir, bears an enchantment that prevents any living being from lifting it unless they are "worthy." This is reflected in the simulation by giving Mjölnir a mass of 2,000 kg.
**In-universe, Thor's hammer weighs [https://urbandud.files.wordpress.com/2011/08/detail-128-thors-hammer.jpg?w=550 42.3 pounds].
*The option to customize your own character was added to the comic later.
*Due to a bug, the calculations for the customized person ('you') are incorrect when the mass is specified in pounds
*When the comic came out there was a mistake so the item to be thrown was named the same as the thrower, except for the coins and for when Pikachu and George Washington tried to throw themselves in which case it for instance said:
**[https://www.explainxkcd.com/wiki/images/9/93/2198_Throw_-_Original_error_George_Himself.PNG How far could George Washington throw himself?]
**But if he picked another object it would write:
***[https://www.explainxkcd.com/wiki/images/c/c9/2198_Throw_-_Original_error_George_George.PNG How far could George Washington throw George Washington?]
**See more examples [[2198:_Throw/Screen-shots#Errors|here]]
===Examples of distances===
*The [https://www.explainxkcd.com/wiki/images/5/5a/2198_Throw_-_You_1_kg_throw_hammer_max_distance.PNG maximum distance] of any throw is 743079 m, which Thor's Hammer can be thrown by a customized you that is high enough. If the height is large enough the mass can be the [https://www.explainxkcd.com/wiki/images/8/8e/2198_Throw_-_You_1_kg_throw_hammer_max_distance_setting.PNG minimum 1 kg].
**See details [[2198:_Throw/Screen-shots#Maximum_distance|here]].
***However the comic asks the user to not use height over 100 m and mass over 1000 kg.
***See details [[2198:_Throw/Screen-shots#Maximum_height_and_mass|here]].
*A one foot tall Champion Athlete You with a mass of over 524,644.3 pounds can throw the car 44 feet. In fact, the mass can be defined to 70 or more decimal places, with each incremental change allowing You to throw the car 44 feet, as long as the addition is sufficient
**Tester used trial and error and became bored after inputting the mass below:
***524,664.3134471218218095600605010996328125000000000000000000000000000000000001
*A one pound Champion Athlete You with a height of 480,651 feet, 1 and 9/64th inches can also throw the car 44 feet
**Subtracting 1/64th of an inch prevents the Champion Athlete You from throwing the car

{{comic discussion}}

[[Category:Comics with animation]] 
[[Category:Dynamic comics]]
[[Category:Interactive comics]]
[[Category:Physics]] 
[[Category:American football]] 
[[Category:Comics featuring politicians]] 
[[Category:Comics featuring Knit Cap]] 
[[Category:Pokémon]]
[[Category:Comics featuring real people]] 
[[Category:Religion]] 
[[Category:Squirrels]]
[[Category:Food]] 
[[Category:Basketball]]
[[Category:Sport]] 
[[Category:Book promotion]]
[[Category:How To]]

Talk:1756: I'm With Her

2024-06-01T21:53:49Z

172.70.162.18: /* Hey Randall */

Comments from before 2017 can be seen here: [[Talk:1756: I'm With Her/Comments from 2016|Comments from 2016]]

The woman to the right of the H looks more like Jill than Hairbun without glasses.[[User:1234231587678|1234231587678]] ([[User talk:1234231587678|talk]]) 21:33, 15 January 2024 (UTC)

'''Found the joke'''

It turns out that this comic was funny in hindsight. [[Special:Contributions/162.158.75.160|162.158.75.160]] 08:50, 12 January 2017 (UTC)
:Ha ha ;-) But I think that most of those that rooted for Randall and Hillary fails to see the funny part now, [[1756#Sad_comics|especially Randall]], but probably also several of those that actually voted for Trump in a protest either against the system of Hillary personally... --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 14:29, 11 March 2017 (UTC)

Today was the first time I saw it, and yes, I guffawed, though definitely from a schadenfreude perspective. Not that I cared who would win, the second most hated person in America or the first most hated person in American (and, in retrospect, those titles were interchangeable), but it is ~always~ funny to see those that either beg for more gov't or those that note that ~their particular~ reason for wanting more gov't is justification to force those ideas onto those who disagree get what they wanted/justified handed to them in spades.[[Special:Contributions/162.158.186.30|162.158.186.30]] 01:09, 15 August 2017 (UTC)

: I invoke Poe's law. Either way, a comment here from a living, breathing barrier to human progress and happiness. *insert troll insult spiel here*[[Special:Contributions/172.70.91.236|172.70.91.236]] 03:24, 25 October 2023 (UTC)

This 'sad comics' list is utterly ludicrous, and really should just be removed altogether. It's headed by many bullet points of meaningless blather. And the content is just stupid. Funny gag about a notification bar in a flag being seen as a Randall making a flag for a conspiratorial three-state independence move? Comic about random funny security mishmashes (and clearly about border enforcements and laptop passwords - a very old issue) being seen as comments on Trump's presidency? Just a population distribution map being seen as Randall being 'still sad about election results'? A frigging bunch of funny emoji ideas being seen as SECRET REFERENCES to US politics, and not just the dumb things they very very obviously are? A comic about unnecessary reviews being seen as reference to nuclear war? New Year is.. maybe sad, kind of? But pretty spurious. A comic about focus being seen as political commentary. Every freaking comic here is somehow linked to Trump. Most for no reason whatsoever.
:The only person wasting time here is me, for some reason pointing out the utter meaninglessness and ridiculousness of this list. I'll go prune it now. --[[Special:Contributions/162.158.111.241|162.158.111.241]] 00:38, 10 January 2018 (UTC)
:: I reverted the edit that took an axe to the 'Sadness' section, as it seemed needlessly antagonistic. The section may need some culling or re-presenting, but it should be done in a more dispassionate way. For the most part, perhaps simply putting a statement at the top of the section noting that it represents speculative interpretation would suffice? (Also, for an edit that purported to be fixing spelling and grammar, it was somewhat rife with typos and grammatical errors.)[[Special:Contributions/141.101.76.16|141.101.76.16]] 09:44, 10 January 2018 (UTC)

A) Why does the sad comics list exist (see comment above)?
B) If it did have a reasonable argument for existing, why is it in here and not in its own category?
C) If it should not have its own category, wouldn't it be more reasonable to put it in a table?
D) ''How the hell are vomiting emojis supposed to represent a significant connection to Trump?''
E) A flag with 3 stars. Definitely connected to the Trump election/inauguration.
F) The list is just stupid in general. [[User:Halo422|Halo422]] ([[User talk:Halo422|talk]]) 14:25, 10 January 2018 (UTC)

This utterly ludicrous 'sad comics' list only exist because just one single editor likes and maintains it. Of course it's NOT a trivia belonging to this comic which was released BEFORE the election. Randall just shows his choice to vote and he further provides some hints how to vote. So in general the entire trivia should be removed because it doesn't explain anything of this particular comic. AND if all that mentioned ''sad'' comics are really sad is highly questionable, but more worse that's also mentioned all over at the other comic explanations and nobody had criticized this before.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 21:20, 11 January 2018 (UTC)

Ok, not American-from-US, and frankly finding Trump amusing (Nobel!! Ha!) Anyway....why, in the comment, is Danish or possibly Megan "setting up the kite for black hat"? She's a competent and confident woman, whichever she is, and if she's setting up a kite she probably intends to fly it herself. Black Hat is just there to applaud. [[Special:Contributions/108.162.250.11|108.162.250.11]] 07:39, 9 July 2018 (UTC)

'''INCOMPLETE'''

I've moved entries from 2016 to a sub-page mentioned at the top, I removed the mentioning of "trolls" because a moderator always has to be polite. Nevertheless there are at least four major issues here to be solved (maybe more):
:The transcript is not standard.
:The table at the explanation is bad layout.
:The title text is bad explained, the German Chancellor Angela Merkel is irrelevant here but Barack Obama's famous speech "Yes, we can" has to be mentioned.
:The "Sad comics" section at trivia doesn't belong to this comic.
I am happy about any input here at the discussion or even more at the explanation. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 21:27, 27 October 2018 (UTC)
:I've squeezed the "Sad comics" section, but that's a preliminary solution. We can delete that irrelevant content, but maybe there is a better place for this. Most referenced comics are not actually ''sad'', but maybe we should preserve a reference at this trivia to other comics, entitled by a less sad, whining, header. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 21:52, 27 October 2018 (UTC)
::Sad comics tivia moved to [[Sad comics]]. --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 13:51, 2 November 2018 (UTC)

== Hey Randall ==

No-one minds you backing Hillary Clinton, but we do mind you being insufferably smug about it.

Insufferable smugness became a big thing in 2016 and it won the election for the opponents of insufferable smugness.

But hey, don't think insufferable smugness will win you future elections. Don't even think elections will happen they way you think in 2200 or whenever. Insufferable smugness may become a disqualifying factor for office.

"Ugh ugh ugh TRUMP!" isn't an argument. At best, it's an 'argument' automatically dismissed. In future, 'arguments' automatically dismissed may become a disqualifying factor for office.

You people imagine that because you won the immediate present you won the future, but I gather various people in the past imagined they'd won everything that followed, and they didn't. Just bear it in mind in your arrogance. [[Special:Contributions/172.69.43.184|172.69.43.184]] 19:14, 1 June 2024 (UTC)

:You're projecting. And acting at least as smug. One could even suggest that insufferable smugness has been a trademark of Hillary's opponent, but of course there's been plenty of water under that particular bridge (and we've yet to see where it all might end up, still). Making a long rant almost eight years after the event doesn't really help make anybody's point, however. Surely there a better place for you to discuss the current reality with the politically engaged, if you actually wish to discuss political futures and not pasts. [[Special:Contributions/172.70.162.18|172.70.162.18]] 21:53, 1 June 2024 (UTC)

853: Consecutive Vowels

2024-05-30T19:19:00Z

172.70.162.18: Undo revision 343315 by 172.70.174.7 (talk) O. 'Y'. E. U. == 1. '2'. 3. 4. (Unless you treat R as an effective vowel, too... But that isn't even hinted at.)

{{comic
| number = 853
| date = January 28, 2011
| title = Consecutive Vowels
| image = consecutive_vowels.png
| titletext = But the windows! What if there's a voyeur watchi-- wait, now I'm turned on too.
}}

==Explanation==
After running some analysis on a database, [[Cueball]] shows [[Megan]] a chart depicting the relationship between sexual arousal and consecutive vowels, showing that a high amount of consecutive vowels is linked to higher sexual arousal. At first, it could be theorised to be due to drawn out moans or screams during lovemaking and orgasm (Ooooh! Yeeeees!).

Megan says she doesn't get it, but Cueball interrupts her with "queueing", a word with 5 consecutive vowels. This {{tvtropes|CoitusEnsues|immediately arouses Megan, who grabs Cueball and shouts "FUCK ME NOW."}} It turns out that the consecutive vowels themselves appear to cause arousal, rather than arousal causing the use of consecutive vowels.

The title text shows that Cueball is fearful that there may be a voyeur peeking at them, but as "voyeur" has 4 consecutive vowels because "y" is a vowel in this case, Cueball gets turned on as well.

==Transcript==
:[Megan stands at the left while Cueball comes from right holding up a chart.]
:Cueball: I was running a factor analysis on this huge database, and check out what it found:

:[An xy-graph plotting "sexual arousal" against "consecutive vowels." The trendline through the dots is a smooth exponential increasing curve.]

:[Frameless panel:]
:Megan: Huh? This chart makes no sense. What-
:Cueball: "Queueing"

:[Zoom in, Megan grabs Cueball.]
:Megan: ''FUCK ME NOW.''

{{comic discussion}}
[[Category:Comics featuring Cueball]]
[[Category:Comics featuring Megan]]
[[Category:Line graphs]]
[[Category:Language]]
[[Category:Sex]]

2936: Exponential Growth

2024-05-28T21:15:10Z

172.70.162.18: /* Transcript */ Also needs a comma here.

{{comic
| number = 2936
| date = May 22, 2024
| title = Exponential Growth
| image = exponential_growth_2x.png
| imagesize = 545x264px
| noexpand = true
| titletext = Karpov's construction of a series of increasingly large rice cookers led to a protracted deadlock, but exponential growth won in the end.
}}

==Explanation==
{{incomplete|Created by an INFINITELY NESTED SET OF RICE COOKERS - Please change this comment when editing this page.}}

{{w|Exponential growth}} is the principle that if you keep multiplying a number by a value larger than 1, you will pretty quickly get very large numbers. Even if you start with 1 and simply double it each time, you'll have a 10-digit number after about 30 iterations.

This principle is often illustrated using a story that generally follows the narrative of a king of India (or elsewhere) wishing to thank a man for creating the game of {{w|chess}}, or perhaps some other chess-related service, and asked him to name his own reward. The man asks for a single grain of wheat (or, in some versions, rice) to be placed on the first square of a chessboard, and then for each subsequent square adding twice as many grains as the one before, until {{w|Wheat and chessboard problem|all 64 squares are filled}}. The king grants his strange request and immediately orders one wheat grain to be placed on the board, imagining this to be a trivial gift compared to the vast riches he had expected to be asked for. For the second square two more pieces are placed, and the square after has four pieces (the tale usually involves waiting a day between each placing of grains, delaying the unravelling and subsequent outcome of the story). However, by the 18th iteration, there are over 500,000 grains on the board in total and the king has to dig deep into his supply to continue to pay his dues. On the 23rd the king finds he owes more than 8 million additional grains. By the 32nd, the king finds himself owing over 4 billion grains (assuming he has come up with the almost equal amount summed up in the 31 previous iterations) and has to give up, realising the essential impossibility of the task.

In some versions of the story, the man is executed for embarrassing the king/being over-greedy; in others, he's rewarded for his cleverness; in yet others he becomes king himself as a consequence. There are also other versions that [https://www.comedy.co.uk/radio/finnemore_souvenir_programme/episodes/7/5/ subvert the well-known tale] by the king not being so naïve as to fall for the 'trick' played by the creator of the problem.

Since a chessboard contains 64 squares, the final square would contain 263 (approximately 9.2 quintillion) grains. This would be around 600 billion tonnes of wheat (even in modern times, this is more than 750 years of global wheat output). Worse, that's just for the final square – adding up all the squares would require about double that (264-1 which is approximately 18.4 quintillion grains).

Instead of this being a (possibly apocryphal) story, [[Black Hat]] enacts it literally during a game of chess to annoy his opponent into quitting. Black Hat begins describing the metaphor to [[Cueball]], only to reveal it wasn't a metaphor at all. Black Hat had been playing actual chess games, and tried to force his opponent [[Hairy]] to resign by burying the chess pieces in rice.

{{w|Garry Kasparov}} is a world renowned Russian chess master. He had the highest {{w|FIDE}} chess rating in the world - one of 2851 points - until {{w|Magnus Carlsen}} surpassed that in 2013 by 31 points. The [https://www.chess.com/openings/Sicilian-Defense-Taimanov-Szen-Kasparov-Gambit Kasparov gambit] is an opening in chess, a variation of the {{w|Sicilian Defense}}.

In 1984–1985 Garry Kasparov played {{w|Anatoly Karpov}} in a 5-month-long 48-game championship tournament which was abandoned. In these matches Kasparov was losing 4-0 with 6 wins being required to win. Kasparov proceeded to draw 35 times before the match was abandoned. The title text implies that Kasparov actually tried this method on Karpov, who attempted to consume all the rice with "increasingly large rice cookers", but eventually couldn't keep up, causing the game to be abandoned in the 5 month period. While this is obviously fictional, it fits with the principle of exponential growth. If exponential growth is unrestricted, it will eventually grow beyond the constraints of anything that could plausibly be built to contain it.

In a 1985 rematch, Kasparov defeated Karpov for the world championship title, which he retained in their next rematch in 1986.

There are several articles in the International Chess Federation (FIDE)'s [https://www.fide.com/FIDE/handbook/LawsOfChess.pdf Laws of Chess] that might prevent Black Hat from winning in this way:
* 7.3 "If a player displaces one or more pieces, he shall re-establish the correct position (...). The arbiter may penalise the player who displaced the pieces."
* 12.1 "The players shall take no action that will bring the game of chess into disrepute."
* 12.6 "It is forbidden to distract or annoy the opponent in any manner whatsoever. (...)"

In any case, it appears that in his enthusiasm to enact his scheme, Black Hat has neglected to even set up his own pieces (or they have already been completely buried), never mind wait for the game to commence, so his opponent has nothing to resign from - indeed his king still appears to be standing as he walks away.

==Math==

The amount of rice collected on each square of the chess board is listed below. It all sums up to around 400 billion tons (or {{w|tonne}}s, the various distinctions being not so important), taking each grain as weighing approximately 0.02 grams. This is 500 times the annual world production.

The last day, alone, would require 200 billion tons. But the implicit nature of this doubling is that the amount of rice you put on at any stage is exactly equal to the amount of rice already on the board ''plus one extra grain''. So there were around 200 billion tons already, before the last square required a virtually identical additional amount.

* First row:
** a1: 1 grain
** a2: 2 grains
** a3: 4 ...
** a4: 8
** a5: 16
** a6: 32
** a7: 64
** a8: 128
* Second row
** b1: 256
** b2: 512
** b3: 1,024
** b4: 2,048
** b5: 4,096
** b6: 8,192
** b7: 16,384
** b8: 32,768
:
* First of each subsequent row
:
** c1: 65,536 grains (~ 1 kg)
** d1: 16,777,216 (~ 400 kg)
** e1: 4,294,967,296 (~ 100 tons)
** f1: 1,099,511,627,776 (~ 25,000 tons)
** g1: 281,474,976,710,656 (~ 6 million tons)
:
* ...
:
* Eighth row, in detail
** h1: 72,057,594,037,927,936 (~ 1.5 billion tons, more than the 2022 world harvest)
** h2: 144,115,188,075,855,872
** h3: 288,230,376,151,711,744
** h4: 576,460,752,303,423,488
** h5: 1,152,921,504,606,846,976
** h6: 2,305,843,009,213,693,952
** h7: 4,611,686,018,427,387,904
** h8: 9,223,372,036,854,775,808 (~ 200 billion tons)
:
* Total: 18,446,744,073,709,551,615

[https://upload.wikimedia.org/wikipedia/commons/e/e7/Wheat_Chessboard_with_line.svg Example on chessboard (SVG diagram)]

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}
:[Black Hat is talking to Cueball standing next to him, arm raised.]
:Black Hat: Exponential growth is very powerful.

:[Closeup on Black Hat. Next to him is an image of the lower left part of a chessboard. The four leftmost squares in the bottom row have grains of rice on them -- one, two, four, and eight grains respectively.]
:Black Hat: A chessboard has 64 squares.
:Black Hat: Say you put one grain of rice on the first square, then two grains on the second, then four, then eight, doubling each time.

:[Black Hat has emptied a bag of rice on a chessboard. There are two additional bags next to him, each labeled "Rice", and a pile of rice already on the table. A small pile of rice is growing at Black Hat's feet. A frustrated Hairy is walking away, fists clenched. On Hairy's side of the chessboard there is a white King and Pawn]
:[Caption above panel, representing Black Hat continuing to speak:]
:If you keep this up, your opponent will resign in frustration.
:It's called Kasparov's Grain Gambit. Nearly impossible to counter.

{{comic discussion}}

[[Category:Comics featuring Black Hat]]
[[Category:Comics featuring Cueball]]
[[Category:Comics featuring Hairy]]
[[Category:Chess]]
[[Category:Food]]
[[Category:Comics featuring real people]]

2936: Exponential Growth

2024-05-28T21:14:39Z

172.70.162.18: /* Transcript */ Correcting from entirely wrong spelling to the US spelling. (Noting that it's "labelled" elsewhere, of course.)

{{comic
| number = 2936
| date = May 22, 2024
| title = Exponential Growth
| image = exponential_growth_2x.png
| imagesize = 545x264px
| noexpand = true
| titletext = Karpov's construction of a series of increasingly large rice cookers led to a protracted deadlock, but exponential growth won in the end.
}}

==Explanation==
{{incomplete|Created by an INFINITELY NESTED SET OF RICE COOKERS - Please change this comment when editing this page.}}

{{w|Exponential growth}} is the principle that if you keep multiplying a number by a value larger than 1, you will pretty quickly get very large numbers. Even if you start with 1 and simply double it each time, you'll have a 10-digit number after about 30 iterations.

This principle is often illustrated using a story that generally follows the narrative of a king of India (or elsewhere) wishing to thank a man for creating the game of {{w|chess}}, or perhaps some other chess-related service, and asked him to name his own reward. The man asks for a single grain of wheat (or, in some versions, rice) to be placed on the first square of a chessboard, and then for each subsequent square adding twice as many grains as the one before, until {{w|Wheat and chessboard problem|all 64 squares are filled}}. The king grants his strange request and immediately orders one wheat grain to be placed on the board, imagining this to be a trivial gift compared to the vast riches he had expected to be asked for. For the second square two more pieces are placed, and the square after has four pieces (the tale usually involves waiting a day between each placing of grains, delaying the unravelling and subsequent outcome of the story). However, by the 18th iteration, there are over 500,000 grains on the board in total and the king has to dig deep into his supply to continue to pay his dues. On the 23rd the king finds he owes more than 8 million additional grains. By the 32nd, the king finds himself owing over 4 billion grains (assuming he has come up with the almost equal amount summed up in the 31 previous iterations) and has to give up, realising the essential impossibility of the task.

In some versions of the story, the man is executed for embarrassing the king/being over-greedy; in others, he's rewarded for his cleverness; in yet others he becomes king himself as a consequence. There are also other versions that [https://www.comedy.co.uk/radio/finnemore_souvenir_programme/episodes/7/5/ subvert the well-known tale] by the king not being so naïve as to fall for the 'trick' played by the creator of the problem.

Since a chessboard contains 64 squares, the final square would contain 263 (approximately 9.2 quintillion) grains. This would be around 600 billion tonnes of wheat (even in modern times, this is more than 750 years of global wheat output). Worse, that's just for the final square – adding up all the squares would require about double that (264-1 which is approximately 18.4 quintillion grains).

Instead of this being a (possibly apocryphal) story, [[Black Hat]] enacts it literally during a game of chess to annoy his opponent into quitting. Black Hat begins describing the metaphor to [[Cueball]], only to reveal it wasn't a metaphor at all. Black Hat had been playing actual chess games, and tried to force his opponent [[Hairy]] to resign by burying the chess pieces in rice.

{{w|Garry Kasparov}} is a world renowned Russian chess master. He had the highest {{w|FIDE}} chess rating in the world - one of 2851 points - until {{w|Magnus Carlsen}} surpassed that in 2013 by 31 points. The [https://www.chess.com/openings/Sicilian-Defense-Taimanov-Szen-Kasparov-Gambit Kasparov gambit] is an opening in chess, a variation of the {{w|Sicilian Defense}}.

In 1984–1985 Garry Kasparov played {{w|Anatoly Karpov}} in a 5-month-long 48-game championship tournament which was abandoned. In these matches Kasparov was losing 4-0 with 6 wins being required to win. Kasparov proceeded to draw 35 times before the match was abandoned. The title text implies that Kasparov actually tried this method on Karpov, who attempted to consume all the rice with "increasingly large rice cookers", but eventually couldn't keep up, causing the game to be abandoned in the 5 month period. While this is obviously fictional, it fits with the principle of exponential growth. If exponential growth is unrestricted, it will eventually grow beyond the constraints of anything that could plausibly be built to contain it.

In a 1985 rematch, Kasparov defeated Karpov for the world championship title, which he retained in their next rematch in 1986.

There are several articles in the International Chess Federation (FIDE)'s [https://www.fide.com/FIDE/handbook/LawsOfChess.pdf Laws of Chess] that might prevent Black Hat from winning in this way:
* 7.3 "If a player displaces one or more pieces, he shall re-establish the correct position (...). The arbiter may penalise the player who displaced the pieces."
* 12.1 "The players shall take no action that will bring the game of chess into disrepute."
* 12.6 "It is forbidden to distract or annoy the opponent in any manner whatsoever. (...)"

In any case, it appears that in his enthusiasm to enact his scheme, Black Hat has neglected to even set up his own pieces (or they have already been completely buried), never mind wait for the game to commence, so his opponent has nothing to resign from - indeed his king still appears to be standing as he walks away.

==Math==

The amount of rice collected on each square of the chess board is listed below. It all sums up to around 400 billion tons (or {{w|tonne}}s, the various distinctions being not so important), taking each grain as weighing approximately 0.02 grams. This is 500 times the annual world production.

The last day, alone, would require 200 billion tons. But the implicit nature of this doubling is that the amount of rice you put on at any stage is exactly equal to the amount of rice already on the board ''plus one extra grain''. So there were around 200 billion tons already, before the last square required a virtually identical additional amount.

* First row:
** a1: 1 grain
** a2: 2 grains
** a3: 4 ...
** a4: 8
** a5: 16
** a6: 32
** a7: 64
** a8: 128
* Second row
** b1: 256
** b2: 512
** b3: 1,024
** b4: 2,048
** b5: 4,096
** b6: 8,192
** b7: 16,384
** b8: 32,768
:
* First of each subsequent row
:
** c1: 65,536 grains (~ 1 kg)
** d1: 16,777,216 (~ 400 kg)
** e1: 4,294,967,296 (~ 100 tons)
** f1: 1,099,511,627,776 (~ 25,000 tons)
** g1: 281,474,976,710,656 (~ 6 million tons)
:
* ...
:
* Eighth row, in detail
** h1: 72,057,594,037,927,936 (~ 1.5 billion tons, more than the 2022 world harvest)
** h2: 144,115,188,075,855,872
** h3: 288,230,376,151,711,744
** h4: 576,460,752,303,423,488
** h5: 1,152,921,504,606,846,976
** h6: 2,305,843,009,213,693,952
** h7: 4,611,686,018,427,387,904
** h8: 9,223,372,036,854,775,808 (~ 200 billion tons)
:
* Total: 18,446,744,073,709,551,615

[https://upload.wikimedia.org/wikipedia/commons/e/e7/Wheat_Chessboard_with_line.svg Example on chessboard (SVG diagram)]

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}
:[Black Hat is talking to Cueball standing next to him, arm raised.]
:Black Hat: Exponential growth is very powerful.

:[Closeup on Black Hat. Next to him is an image of the lower left part of a chessboard. The four leftmost squares in the bottom row have grains of rice on them -- one, two, four, and eight grains respectively.]
:Black Hat: A chessboard has 64 squares.
:Black Hat: Say you put one grain of rice on the first square, then two grains on the second, then four, then eight, doubling each time.

:[Black Hat has emptied a bag of rice on a chessboard. There are two additional bags next to him, each labeled "Rice" and a pile of rice already on the table. A small pile of rice is growing at Black Hat's feet. A frustrated Hairy is walking away, fists clenched. On Hairy's side of the chessboard there is a white King and Pawn]
:[Caption above panel, representing Black Hat continuing to speak:]
:If you keep this up, your opponent will resign in frustration.
:It's called Kasparov's Grain Gambit. Nearly impossible to counter.

{{comic discussion}}

[[Category:Comics featuring Black Hat]]
[[Category:Comics featuring Cueball]]
[[Category:Comics featuring Hairy]]
[[Category:Chess]]
[[Category:Food]]
[[Category:Comics featuring real people]]

Talk:2916: Machine

2024-05-28T10:09:14Z

172.70.162.18:

rather late for an april fools comic innit? also there doesn't seem to be anything exciting in this one lol, none of the usual cool exploration easter eggs, as far as i could tell at least [[Special:Contributions/172.71.178.76|172.71.178.76]] 16:41, 6 April 2024 (UTC)Erfaniom
:Randall posted an eclipse comic on Apr. 1. All April Fools comics are interactive. [[User:Z1mp0st0rz|Z1mp0st0rz]] ([[User talk:Z1mp0st0rz|talk]]) 15:27, 10 April 2024 (UTC)

: We're exploring crowdsourced human creativity here, in a way, so it can be a lot more interesting then Randall's exploration comics, at least for me, because i did take two years of GCSE psychology and enjoyed it. [[Special:Contributions/172.64.238.130|172.64.238.130]]

: looks like the egg's on my face lmao, i think i was among the first people to make anything, so everywhere was under construction for me, i didn't even understand that it was like a crowd thing [[Special:Contributions/172.70.210.52|172.70.210.52]] 14:19, 9 April 2024 (UTC)Erfaniom

Just popped over using Chrome on Android and all I see is four "missing picture" logos spinning around, plus another down the bottom right... [[Special:Contributions/141.101.68.193|141.101.68.193]] 18:13, 6 April 2024 (UTC)
:Okay, followup: it behaves quite differently on the non mobile site. You get two entry points with red balls and yellow balls and you need to place the various gizmos to direct the balls to the correct exit point. Once enough have correctly passed to turn the red X into a green tick, you have the option to submit. If you do, once you have named your design it will be added to the grid with other submissions all of which exist to push red and yellow balls around. (if you come across "Memories of Ragnarok", that's mine)
Mine are "Balancing Act" and "100% Success Rate" [[Special:Contributions/172.71.146.14|172.71.146.14]] 21:11, 15 April 2024 (UTC)
[[Special:Contributions/172.71.134.207|172.71.134.207]] 18:27, 6 April 2024 (UTC)
::The number of inputs appears to vary between 1 and 4, each of a different color, with one color-coded output for each. [[User:Claire Kholin|Claire Kholin]] ([[User talk:Claire Kholin|talk]]) 18:49, 6 April 2024 (UTC)

On the "machine" section, you see lots of "under construction cells". Perhaps this will develop as more are submitted. I notice the "under construction tape" has "DJIA" and "31415", perhaps a reference to "dow jones industrial average" and the first five digits of pi. [[User:Zeimusu|Zeimusu]] ([[User talk:Zeimusu|talk]]) 18:37, 6 April 2024 (UTC)
:Whenever someone submits a cell, it fills in one of the under construction cells. [[User:Claire Kholin|Claire Kholin]] ([[User talk:Claire Kholin|talk]]) 18:49, 6 April 2024 (UTC)
[Robert'); DROP TABLE Student!:;--] i just got a machine with 3 outputs one yellow another red and a third blue AND green and 3 inputs one green one blue and one red blue and yellow https://xkcd.com/2916/#xt=7&yt=50 hope its still there {{unsigned ip|172.70.115.173|18:01, 9 April 2024}}
:I think I just 'did' one with a Red+Yellow source (also separate singular Blue and Green) and a combined Blue+Green sink (and separate Yellow and Red). Got it working well, actually using fan-levitation to separate the R+Y enough to route them to their destinations, the Y then having to cross the occasional flying Green (which I was forced to "Bonk" and bounce up, entry being nearly at the bottom on right, exit being nearly at top on left) for its exit, everything else fairly simple. No idea if it got integrated, of course. Never seen any of my machines be accepted (when I later look around at what's there), so I'm still unsure if there's anything I can do to increase my chance of a successful square being made permanent on the grid.... [[Special:Contributions/172.70.163.49|172.70.163.49]] 20:58, 9 April 2024 (UTC)
:...still had it sitting there [https://imgur.com/kZdp3kH on my browser], though note that the Red+Yellow supply (mid-left) and the Green supply (right) aren't working here, through the "move the screen around, lose the feeds from 'Under Construction' squares" issue, or similar. But still I managed to submit it. The occasional Yellow and Red are falling from the Blue entrance in the top (I've not done anything special to filter those out/send them to a more proper exit, and it's too late to do so now anyway, it was just a Blue entry during the development process, of course).
:It's a pity you can't see it working, but I quite like my Yellow/Red separation. This might be the only time you see it in place, though, so a shame I didn't take a screenshot immedediately after submitting it. [[Special:Contributions/172.70.163.49|172.70.163.49]] 21:30, 9 April 2024 (UTC)
:I encountered a puzzle with five distinct pairs of in/out (none combined): Two blue, two red, one yellow. It was difficult! AFAIK five pairs is the highest reported so far. When I submitted the solution to the Machine, it had Under Construction above and to each side, and (IIRC) empty below, and no balls were provided, alas.[[Special:Contributions/172.69.134.216|172.69.134.216]] 03:46, 12 April 2024 (UTC)
I wanted to add an image for each object, but do not have the necessary access, can someone who has access add the images that I linked in the table so they can be included? [[User:Claire Kholin|Claire Kholin]] ([[User talk:Claire Kholin|talk]]) 18:49, 6 April 2024 (UTC)

I found a discussion with some guy talking about the API at https://euphoria.leet.nu/room/xkcd/ ; this could be useful for the wiki.

<code>
[c+1] now time to try fucking with the api
[c+1] https://incredible.xkcd.com/
[userwithnoaccount] 404
[c+1] it seems there are numbered machines under incredible.xkcd.com/machine/x
[c+1] returns a grid of individual machinlets
[c+1] which are uids like 3a7af27c-5389-5dcb-b660-3feab6be2ceb
[c+1] they're stored at urls like incredible.xkcd.com/folio/3a7af27c-5389-5dcb-b660-3feab6be2ceb
[c+1] there appear to be 33 machines total
[c+1] the json it returns seems to refer to these as "versions"
[c+1] $ curl -s https://incredible.xkcd.com/machine/21 | jq ".version"
21
[c+1] there is a machine/0, but it's all null
[c+1] going to https://incredible.xkcd.com/machine/current redirects to the current machine
[c+1] $ curl -sL https://incredible.xkcd.com/machine/current | jq ".version"
35
[c+1] wait, is that the *total* number of mahcines?
[c+1] i would've thought there'd be more
[c+1] this whole think is rather esoteric
[c+1] Written in rust, too: https://rapier.rs/
[c+1] Uh oh.
https://i.hypercone.us/?v=8e283d
[c+1] HMMM
https://i.hypercone.us/?v=079f8f
[c+1] it seems there is no limit
[c+1] i've uploaded a ~50M title
</code>

With this I was able to make a script that visualizes paths of the balls. I was hoping that there would be an interesting pattern somewhere but it appears to be mostly random (https://i.imgur.com/ZvLlucU.png) --[[Special:Contributions/172.71.131.24|172.71.131.24]] 17:12, 12 April 2024 (UTC)

[[Special:Contributions/172.70.57.146|172.70.57.146]]

Had quite a lot of fun, added a few 'successful' machines to the grid. Noted that whenever I try to use the Prism that (after a short delay) the comic-pane blanks and I need to refresh the page/get a completely new 'challenge' to start from scratch, so I'm just not using the prism at all (used most of the other items, in combination or 'just the one across the whole board', whichever seems most fun). But it doesn't seem to do what I'd like it to do, which is sort multiple colours from the same inflow into different outflow directions. Which would be ''very'' useful in a 'crossroads' situation, the general solution of directing them cross-path being too prone to random collisions. Also might be useful in the 'submitted machine grid', as I note that errors propagate, whereas adding a filter on all inputs would clean out (dispose of/send off to a valid gate?) the rogue balls. Anyway, gonna have to come back to this later when there's more time... Maybe then I'll even have something useful to add to the Explanation. [[Special:Contributions/172.70.163.31|172.70.163.31]] 19:03, 6 April 2024 (UTC)

The balls appear to be different weights. I just saw a machine that used fans to separate yellows from greens and blues in a sort of 'wheat from the chaff' manner to direct them to their correct outputs. I wonder what other hidden tricks are included. [[Special:Contributions/172.68.1.159|172.68.1.159]] 19:40, 6 April 2024 (UTC)

They're not all accepted, though it makes you think they are. Or something else more complex is going on we haven't realized yet. I made a machine that was working reliably, submitted it, and saw it on the overall grid. Reloading from a different browser I found the same location of the machine, with the same surroundings, but my machine had been replaced. It's nowhere else on the grid either. The first browser still shows it (but not after a reload with a cache clear). I'm not sure if there's some kind of "save" event that needs to happen beyond seeing your machine in the broader one, or if all user collaboration is an illusion, or if the system changes its mind about us somehow.

: Yeah, i've been seeing this too. Please tell me if you find any of my machines, images at https://i.hypercone.us/?v=22d562 , https://i.hypercone.us/?v=ad8e3a , and https://i.hypercone.us/?v=8d4d6a . I want to be one of the few to have added Catalan and Spanish to the grid. [[Special:Contributions/172.71.134.164|172.71.134.164]] 20:56, 6 April 2024 (UTC)

I've added some more observations to the page. Also, a guess which is too uncertain to put on the main page: The ball launcher for the yellows on the far left side misses a lot, and the yellow container isn't the one on the left. So I think the whole machine with crossing streams will result in the colors being sorted in their container order, and possibly have the streams combined and deposited at the bottom just above the containers. --[[Special:Contributions/172.71.147.100|172.71.147.100]] 21:07, 6 April 2024 (UTC)

has anyone seen the boat at the very bottom? [[User:Mushrooms|Mushrooms]] ([[User talk:Mushrooms|talk]]) 21:21, 6 April 2024 (UTC)

trying to see it on Firefox for Ubuntu and it just tells me to "visit xkcd.com to view" - THAT'S WHERE I AM?! Tried clearing website data (but not my entire cache) and that didn't help. Is there something I'm missing?

Oooh, just had one with four ball-entries (four colours) and ''three'' exits (one caters for two arrows). Pity it's rather complicated to get entries to exits (even if I can merge two of the streams). Might have to give up on it, but I'd like to have seen how it fits in with the 'submited grid'. i.e. someone else gets a two-colour introduction spot. [[Special:Contributions/162.158.74.119|162.158.74.119]] 22:37, 6 April 2024 (UTC)
:Me again. I'm just refreshing the page, looking at the pattern of entries/exits (just a dozen or so screens in, getting some repeats of pattern, indicating that it's going back to tiles it was suggesting before, probably depends on how many others are contributing and extending...)
:Found another 'double-colour' example. Two yellows ''from the same side'', which probably means that there's a two-yellows been asked to exit from the neighbour (will check shortly).
:Quickly adapting from my spreadsheet notation, "R, Y, G, B" in order, each "(Entry, Exit)", I've been using <dir> of L/R/T/B and a number (nominally percentage, though seems to include only values of 20, 30, 50, 70 and 80, so it ''might'' be more 1/6..5/6?) relating to the distance along from L to R (for T/B) or T to B (for L/R).
:This line is therefore (0,0)(L20+L70,R30+B70)(R80,L80)(T70,L50) ... no reds, two yellow pairings, a red pairing, a blue pairing. Would require at least two path-crossings (but I was going to calculate those things later, and double-colours might confuse my intended simple line-intersection calculation).
:...anyway, spent some time on this message, which might mean I'll get into a 'new batch' of available patterns as people have succeeded some of the challenges that I've been 'swiping left'. [[Special:Contributions/172.70.162.20|172.70.162.20]] 19:28, 7 April 2024 (UTC)
:...very next click: (0,0)(T30+L20,R20+R70)(R80,L80)(R50,B50), which is clearly the actual left-neighbour of the above. [[Special:Contributions/172.70.162.19|172.70.162.19]] 19:32, 7 April 2024 (UTC)
:Ok, stopped my refreshing to [https://imgur.com/a/OMFOmzy 'solve' a screen]. First of all I routed both yellows entries (right-upper and upper-right) to one yellow exit (middle-left) and gradually teased the greens across (lower-left to middle-right), as that way I was avoiding a criss-cross of balls, but the the other yellow exit (left-lower) was, of course, invalid.
:Changed it to drop one stream of yellows down towards the lower exit, across the rapidly firing greens (added a fan to filter away the occasional yellow that gets bounced over there, not much of an opportunity to filter falling-greens out of the yellow exit, so apologies to whoever gets the sceen below). Submited as "Two Yellows, One Green!", whether or not that'll save (apparently, I should continue to contribute and not refresh/close, or else the server will not keep the solution?).
:Interestingly, all four adjacent tiles are "Under construction", and if I scroll up... *DARN* the comic has blanked out (nothing there between the upper PREV/RANDOM/NEXT buttons and the lower ones, just whitespace). This may mean that it did not save. This is the kind of 'page crash' I get when I try using a Prism or get too many balls rattling around on top of a Black Hole. Perhaps it doesn't like that I'm scrolling into an Under Construction that shouldn't be there? (But then, why ''is'' it there?)
:Anyway, all extra information for everyone.
:I'll just refresh the page and go back and do some more entry/exit mapping, maybe? [[Special:Contributions/172.70.162.20|172.70.162.20]] 20:17, 7 April 2024 (UTC)

If you combine a bunch of these silly claw things in the middle by just spamming it, it begins to lag and do some chaotic collisions, even without balls colliding on it. It's curious how it does that seemingly randomly though. I wonder how calculations are added and if there's a tiny sprinkle of RNG. (Also, errors occur and say something about damaging recursion in the Rust programming language, so I guess we know how it was made. It's also pretty weird how there's not a lot of opening combinations? It's possible that the machine loops over in chunks of gears or something (that's what I'll call them). ([[User talk:Leo|talk]]) 13:15, 7 April 2024 (UTC)

If you place a black hole in the centre of a wheel, it makes the wheel behave unpredictably between resets. Sometimes it's almost normal, sometimes it's a lot faster than usual, and sometimes it's stopped but launches balls that touch it with extreme force. I was able to use this to submit a machine which didn't actually let a single ball through after being submitted. https://i.hypercone.us/?v=928bcd [[Special:Contributions/162.158.33.149|162.158.33.149]] 01:19, 7 April 2024 (UTC)

The page says that (and I have taken note of) the ball hue is ''coded'' to certain values, but is there a logic to those values that might be derived from the colour (either as RGB triplet or HSV/other colourspace definition). For example, the two ball-types with zero green component in their makeup are 'unit density' (green is far heavier "green+red" is far lighter, so it's not a simple relationship, unless it converts from °hue, in some way) and the only secondary colour exhibits non-zero drag. There's the possibility that it just derived from "we need different properties, we need different colours, we have no reason to connect either with other deliberately" or even some non-mathematical symbology (fire=red, water=blue(?), earth=green, air(/sunlight?)=yellow). But it makes me wonder what combination of properties cyan/magenta balls might have, if added. (Or is the choice of those four colours constrained, anyway? Though R/G colorblindness is already something of an accessibility failure, if anyone suffers that.) [[Special:Contributions/172.69.194.205|172.69.194.205]] 17:02, 7 April 2024 (UTC)
:For color vision issues, on Mac, open System Preferences, select Accessibility, select Display (in the Vision group), select the Color Filters tab, select Enable Color Filters, then finally try the different filters in the Filter Type menu. One of them should help make the colors distinct.[[Special:Contributions/172.69.134.216|172.69.134.216]] 03:40, 12 April 2024 (UTC)

[https://pastebin.com/7PAiLnyF Python script to get the URL and title of each Cell in the current machine]

[https://pastebin.com/xBhywGde Result of running that script at the moment] (encoded with ROT13 because pastebin wouldn't let me save it otherwise)
:has anybody at all whatsoever been able to find their creation using this API? [[User:Bellydrum|Bellydrum]] ([[User talk:Bellydrum|talk]]) 21:58, 7 April 2024 (UTC)

[https://pastebin.com/jN5MP2za Result of running that script on the first 42 machines], at least on these it looks like the only difference is that one cell is added each time? [[Special:Contributions/172.71.99.195|172.71.99.195]] 17:22, 7 April 2024 (UTC)

I've submitted four now, none of which was accepted. I tend to spend a lot of time getting them just right. Any hints as to what the acceptance criteria might be? Or do I just stink at this?
[[Special:Contributions/172.69.59.204|172.69.59.204]] 19:47, 7 April 2024 (UTC)

There appears to be a new object: a cat that bats things that touch it.
[[Special:Contributions/172.69.214.39|172.69.214.39]] 20:17, 7 April 2024 (UTC)

Is anyone else experiencing the bug where prisms cause the comic to disappear (leaving only the white background where it was) after a while? It makes viewing the whole machine basically impossible. (On further testing it appears to be firefox-exclusive.) [[Special:Contributions/172.70.162.38|172.70.162.38]] 20:31, 7 April 2024 (UTC)
:I've had the "Prisms break things" from the beginning (before any practical content). As in, trying to use them in a design breaks things. But I ''did'' glance upon their occasional use in the 'view submissions grid'. Right now I'm suffering from "white only" issue (see my "multi-yellow" accounts, above). I ''am'' using Firefox, if that's indeed relevant to this issue, but right now I'm not near any other up-to-date browser I care to use. [[Special:Contributions/172.70.163.31|172.70.163.31]] 21:37, 7 April 2024 (UTC)
:I'm getting the same issue with black holes (which probably makes more sense - put a black hole there and you'd expect everything else to disappear :o) - except that on one occasion I was able to put about 6 black holes in before the 7th one vanished everything.[[Special:Contributions/172.69.194.121|172.69.194.121]] 09:15, 8 April 2024 (UTC)

Has anyone seen their own cell in the machine at all yet? A manual approval system is probably necessary for obvious reasons, but if so it does seem to be moving quite slowly.
[[Special:Contributions/172.69.65.24|172.69.65.24]] 02:58, 8 April 2024 (UTC)

I've never seen one of my own cells after refreshing the page. :( [[Special:Contributions/172.70.110.122|172.70.110.122]] 20:27, 12 April 2024 (UTC)

How on earth is everyone seeing different parts of the grid? If I request "view machine" I can only see my own square, and the edges of everyone elses. Nothing else, definitely not all of the machine. [[Special:Contributions/172.68.64.149|172.68.64.149]] 21:11, 8 April 2024 (UTC)
::You should be able to click and drag the view around. [[Special:Contributions/172.71.242.54|172.71.242.54]] 21:41, 8 April 2024 (UTC)

Whoever designed the room entirely full of fans is evil - every time I scroll near it my entire browser freezes up and becomes unresponsive. And then the comic usually blanks.[[;8Special:Contributions/172.69.194.81|172.69.194.81]] 08:23, 9 April 2024 (UTC)

None of [https://www.explainxkcd.com/wiki/index.php?title=2916:_Machine&diff=339487&oldid=339486 these edits] were anything to do with "grammar", so why would anyone describe the change as such? The spelling of "colo(u)r" is an internationali[s|z]ation issue, of note, and why I usually prefer to defer to using words like "hue", instead, in such contexts on this site. The change of the link from "The Incredible Machine" (where the page exists) to "The Credible Machine" (where it doesn't, because that's really just this comic's own joke) I aready changed back... If you think it doesn't properly explain the pun/negation, then rewrite; but don't make it an invalid link to something that doesn't even exist, as you'd know if you had even followed the link(s). [[Special:Contributions/172.69.194.141|172.69.194.141]] 15:22, 12 April 2024 (UTC)

Folks might be interested in my list of all published blueprints with their titles and permalinks: https://github.com/scpso/incrediblexkcd. scpso [[Special:Contributions/172.68.144.147|172.68.144.147]] 13:18, 14 April 2024 (UTC)

== Level scrolling bug ==

When one views the whole machine, and scrolls down far enough, everything just disappears, and the comic is completely unresponsive. Has anyone else seen this? [[Special:Contributions/198.41.236.152|198.41.236.152]] 20:38, 7 April 2024 (UTC)

:I'm now seeing the same issue, I wasn't before. (I'm using Chrome) [[Special:Contributions/172.70.162.20|172.70.162.20]] 21:06, 7 April 2024 (UTC)

::A hard refresh appears to have fixed this for me (same person as above). [[Special:Contributions/141.101.99.101|141.101.99.101]] 10:28, 8 April 2024 (UTC)

:I've been having this issue as well (I'm using firefox). Opening the site in Edge instead seemed to work around it for me, so it might only affect Firefox (and derivatives). [[Special:Contributions/172.70.163.31|172.70.163.31]] 21:27, 7 April 2024 (UTC)
::See also the 'firefox bug' comments currently immediately above this section. (Please don't ask me to start Edge up, I hate it, won't use it any more than the system requires me to...) [[Special:Contributions/172.70.163.31|172.70.163.31]] 21:37, 7 April 2024 (UTC)

:Update - I did a hard refresh so I could play around with the new additions and I'm no longer encountering the bug, even on firefox. I think the "white screen" bug is fixed now and you just need to hard-refresh to download the fixed JS instead of using the cached one. (same person as 172.70.163.31 and 172.70.162.38) [[Special:Contributions/172.70.86.16|172.70.86.16]] 11:16, 8 April 2024 (UTC)

==New Category: Ball Pit?==

What do you think about a new category for comics with [[ball pits]]? [[150]], [[219]], [[485]], [[498]], [[2916]]? [[Special:Contributions/162.158.134.229|162.158.134.229]] 21:50, 7 April 2024 (UTC)

[[:Category:Playpen balls]] already exists.
[[Special:Contributions/172.70.174.133|172.70.174.133]] 17:35, 9 April 2024 (UTC)

== Prism Use? ==

Can the prism be used to sort balls by color? (or in any other way that is useful and different?) [[Special:Contributions/172.68.34.61|172.68.34.61]] 12:11, 8 April 2024 (UTC)
:From what I've seen, no. Though may be ''extremely'' susceptible to incident angle. As far as my own use has been, they seem to randomise the trajectory (possibly also do a total-internal-reflection, I've had balls bounce around and exit at ''really'' weird angles), but it's hard to collimate a feed of balls into a single exact track, even straight down from a ceiling-feed (if you have a ceiling feed directly over the floor exit, lucky you, it'll still occasionally perturb balls off to the sides just enough to be bounced out as a gate-miss, unless you add 'funnel' architecture of one kind or another). Oh, and when balls do a lot of 'internal bouncing' it often forced me to reload the comic (overloaded the physics engine?), so could not continue to tweak the same design.
:On the other hand, perhaps this was the ''intent'', and just code/browser failings made it work erratically. Maybe would be an idea to go back and retest for this (anybody who can), do a little !!science!! to be recorded and explained on the page. [[Special:Contributions/172.69.43.183|172.69.43.183]] 12:51, 8 April 2024 (UTC)
:So, ive did some testing and found..nothing. i ''did'' find some uses for the prism though. Like outting them diagonally makes the balls follow a "path", speeding up more and more (not really that great but it works with yellows), and that any ball hitting the left edge will try to go the the right edge. Not sure what else it can do, though. [[User:Begocc|Begocc]] ([[User talk:Begocc|talk]]) 09:35, 10 April 2024 (UTC)
::I did some thorough testing on a combined Red/Blue set of balls (carefully managed so that they were dropping into the target area as similarly as possible) and both rotated and moved the prism in various ways to check for any effects - like needing to enter parallel/perpendicular to the colour-bands, either to land on the 'target band' or start to pass across it, with the band then either facilitating or angling its 'fall through'. (Just visually checked, at first, then later adding 'buckets' below and to the sides, to try to catch balls departing on various trajectories in various 'clumps' making note of any that hit the 'bucket'-boundaries and bounced off elsewhere.)
::I found no significant sorting, and some balls would jitter around so much (within the prism) that they even launched almost straight back up where they came from (less poerfully than a Bonk-buffered ball, but not far off - also not reliable enough to use as a ball-elevator).
::In my experience, Yellow-sorting is easy (even against Blue and/or Red) by other means. Green is the easiest to have everything else sorted ''from'' (because it resists the fan method). The hardest to unmix are Reds from Blues, which one might think ''should'' be the most prism-differentiated but I'm afraid I just can't invoke that. Easier to have them fall a long way then bounce off a suitable bit of 'furniture', I can then get them to distribute ''fairly'' distinctly in two handy recepticles/onward-feed-hoppers, though it does need some careful placement of items to do it justice. It appears that none of my designs have made it to the 'public wall', but I have made a submitable machine or two that does such sorting sufficiently successfully to send it out (theoretically) to be seen. [[Special:Contributions/172.70.163.30|172.70.163.30]] 11:38, 10 April 2024 (UTC)

== Bugs and Exploits ==

You can use a sword to break the physics on the hinge thingy and create your very own "magnetic hill": https://imgur.com/a/IRZ0AlL [[Special:Contributions/162.158.134.108|162.158.134.108]] 13:02, 8 April 2024 (UTC)
:Hard to tell from that what other fans (perhaps) you've got completely off-clip.
:Those hinge-thingies can definitely be shifted by horizontal (outwith ball-weight pressures), but I've not found them to be reliable components as the "Stop" button (ball reset) seems to let those 'hinges' slring back to level, which might need a re-reset by moving them back past the thing that's holding them off-level.
:I have tried a few things with them:
:*'Ticker' mechanism, almost like a clock escapement, nudged by the rotating 'waterwheel', perhaps to try to release balls through a stream of other balls whilst keeping the path clear of collisions for each set, in turn.
:*'Batch dumper', accumulating a number of balls (above the 'hinge', behind a vertical bulkhead) until there's weight enough to 'open the hatch' and roll them out. (Again, an attempt to reduce collisions, by clumping batches together).
:*Finely configured inclines, by shoving something up into a free end of hinge with better angular resolution (but, as mentioned, this doesn't seem to want to 'hold', so probably would fail upon submission).
:...I had wondered if there was supposed to be a "falling anvil creates a catapult/ballista" idea behind the piece, but we don't ''have'' falling anvils (and definitely not in a repeating manner), and ball-powered catapult (esssentially "clown/acrobat jumps on one end of seesaw, clown/acrobat on other end flies up into the air") also doesn't seem practical.
:I'll try to recreate ''your'' design, work out if there's anything new about it, but right now looks like it's a fan-powered incline-raiser. [[Special:Contributions/172.70.162.38|172.70.162.38]] 14:23, 8 April 2024 (UTC)
:: No fans! Here's a wider view: https://imgur.com/a/xPJcsor
:: It survives the reset, because the balls falling on the lever push it down to the sword and it gets stuck there every time. But you need to place the sword just right to make the gravity bug happen. And even then it depends on the number of balls in some ways. [[Special:Contributions/172.68.243.27|172.68.243.27]] 14:46, 8 April 2024 (UTC)
::: I've replicated the "tip of sword grabs the 'hinge'" thing, which is very interesting, but not the anti-gravity effect. The movement still seems ''to me'' more like a fan's 'area of effect' thing, than a wonky sense of gravity, the way that the balls are rolling/resisting/interacting with each other. No, I can't see where you've 'hidden' the fan (and I'm sure that fans can't act across submission-grid-boundaries, which was my next guess), so it's a bit of a funny thing that you've got there. [[Special:Contributions/172.70.163.49|172.70.163.49]] 21:35, 9 April 2024 (UTC)

On occasion, two balls will fall from the containers as a pair, as if glued together. When this happens, they float down as if under much lower gravity, and then suddenly explode violently away from each other.[[Special:Contributions/172.69.43.182|172.69.43.182]] 10:56, 10 April 2024 (UTC)
:What contaniners?? [[Special:Contributions/172.70.110.252|172.70.110.252]] 14:58, 12 April 2024 (UTC)
::At the bottom of the grid are four containers that the balls are fired in to, from where they drop in to a pit with a boat.[[Special:Contributions/172.70.162.38|172.70.162.38]] 08:40, 15 April 2024 (UTC)

When the browser is running slowly, sometimes the chamber doors will open, but none of the balls in them will drop, which can lead to huge backlogs of balls building up. However, there appears to then be a limit to how many will dispense in one opening - only half a dozen or so layers are released before the door closes again.[[Special:Contributions/172.70.163.31|172.70.163.31]] 12:01, 24 April 2024 (UTC)

== The USS Buoyancy ==

Guys. The Buoyancy. She ''floats''. When all four sets of balls reach the ball pit there aren't further additions. The boat starts floating on them. I've been watching it for a while. It seems she moves left and will probably end up escaping the ball pit. [[User:DL Draco Rex|DL Draco Rex]] ([[User talk:DL Draco Rex|talk]]) 20:44, 8 April 2024 (UTC)
:Update: A new row spawned in and it reset just before the Buoyancy could escape. Here's a screenshot I grabbed a while before the reset, she'd moved further left by the time the reset occurred. https://imgur.com/gallery/8UCASCu [[User:DL Draco Rex|DL Draco Rex]] ([[User talk:DL Draco Rex|talk]]) 20:51, 8 April 2024 (UTC)

Alright, I'm almost 100% of the time seeing Buoyancy sink. Yes, she *floats* at first. But as she drifts to the sides, instead of yellows going underneath, reds and greens pile on top. Then, as the balls under expire (90 second timeout), she will start to sink. Very consistent behavior over time.
[[User:Keybounce|Keybounce]] ([[User talk:Keybounce|talk]]) 19:20, 11 April 2024 (UTC)

What is the Bouaancy i cant find it anywhere??? [[Special:Contributions/172.70.110.252|172.70.110.252]] 14:58, 12 April 2024 (UTC)
== Added key combinations, found in source ==

ctrl+alt+b
ctrl+shift+option+d
wheel: arrow keys

: Can you clarify what "option" is? I have tried alt, function, and "operating system", and none are doing it.
::It is alt [[Special:Contributions/172.70.110.252|172.70.110.252]] 14:58, 12 April 2024 (UTC)

== Fixed Number of Possible Machinelets? ==

I was resetting my browser to try and find new machinelet configurations, but there seem to be fewer and fewer as the game progresses. Hypothesis: the 'under construction' machinelets are set, and once one of them gets approved and added to the grid, that specific configuration of entrances/exits can't show up again.

== Advanced components? ==

How does one get access to the full set of components to build from? I'm only given planks, mallets, swords, scoops, anvils, bricks and fans. I never get any pillows, bumpers, cats, stick figures et cetera. Do they need to be "unlocked" through some achievement, or what? [[Special:Contributions/162.158.222.102|162.158.222.102]] 11:04, 9 April 2024 (UTC)

:This caught me for a while as well. I have since discovered that the tool box has a scroll bar and can be scrolled down; that's where the others are hiding.
::Invisible scrollbars – every GUI obfuscator's favorite tool for making users' lives harder. [[Special:Contributions/162.158.222.142|162.158.222.142]] 18:17, 9 April 2024 (UTC)

== Limit of 100 components? ==

Has anyone else seen this? At some point I started getting a count "95 / 100" towards the bottom of the toolbar. When it hits "100 / 100" the rest of the toolbar greys out, and I can't add anything more. (I suppose the physics engine has to keep a ceiling on the number of possible interactions between components.) —[[User:Scs|Scs]] ([[User talk:Scs|talk]]) 11:53, 10 April 2024 (UTC)
:Yes, quite early on I was dealing with a quite simple 'drop from ceiling straight down to floor' setup. After adding just enough 'funnel' to deal with 'splatter', I then built a castle wall in the open space just to make it fun (with some figures on/below it, that I've also tried to decorate in later submissions), of the 'grey blocks'.
:I actually hit the 100/100 ''exactly'' as I placed my final intended block. (No doubt that it's easy to hit the limit by just overlapping things so you can't see most of them, and other 'useless' placement, too...) [[Special:Contributions/172.70.85.48|172.70.85.48]] 19:57, 10 April 2024 (UTC)

== uss boyancy ==

Why have i not been seeing any uss boyancy [[Special:Contributions/172.70.110.122|172.70.110.122]] 14:04, 10 April 2024 (UTC)

Haha I dare you to go to https://xkcd.com/2916/#xt=7&yt=57 and stare at the two black holes next to eachother >:) [[User:Z1mp0st0rz|Z1mp0st0rz]] ([[User talk:Z1mp0st0rz|talk]]) 15:27, 10 April 2024 (UTC)

== Build a "working" machine from parts? ==

Has anyone started working on this idea:

Since any given machine segment seems to be saved, even if not in the final result, *and* since these segments are failing when combined in the whole, how about a "really working" machine that starts replacing failing segments when they jam or otherwise fail to work in the real machine?

The idea being something like, start the machine. Watch the top row, and see where the parts are failing to pass balls properly after two minutes. Replace the segments that are failing/jaming/etc, and let the new part process balls.

As you work your way down, over about 2 hours at the current size, you will eventually get a machine that properly sends balls down to the bottom, without jamming, without having to "pretend" that off-screen parts are working.

I mean, it's not like a gigantic, 600 segment machine will overflow memory on modern 32gb systems, nor consume so much power that these big huge CPU's will fail, right?
There is a 100 piece limit sadly
[[User:Keybounce|Keybounce]] ([[User talk:Keybounce|talk]]) 17:41, 10 April 2024 (UTC)
ps.: Why do white holes, black holes, prisms, etc, cause problems on some machines like mine and not others?

== Foreshadowing ==

I think that this Machine comic / game is foreshadowed by comic # 2785 titled Marble Run. {{unsigned ip|172.70.130.120|22:15, 11 April 2024}}

== Implementation? ==

Should we have a section on how this thing is implemented? How much is known? Obviously it's hugely dependent on [https://rapier.rs/ Rapier], as credited in the header text. I assume everything else is written in {{w|Rust (programming language)|Rust}}, too. But how is it deployed? Does Rust compile to {{w|Web Assembly}}, or what? Under Color Routing, our explanation mentions that the ball "values were extracted from the code" — how much of the code is actually visible? —[[User:Scs|Scs]] ([[User talk:Scs|talk]]) 16:39, 12 April 2024 (UTC)
:There are source maps available for the client side. So most of the client source is pretty much there an available. DevTools will load these maps automatically by default, and you can find the ball parameters under incredible/src/components/widgets/Balls.tsx. As for the server, it has a Server header of Warp/3.3.31, a web server used for WAI applications in Haskell. [[Special:Contributions/172.70.114.44|172.70.114.44]] 13:37, 14 April 2024 (UTC)
::The source is available at https://github.com/xkcd/incredible --[[Special:Contributions/172.68.253.130|172.68.253.130]] 17:58, 17 May 2024 (UTC)

== XKCD Prize ==

I propose the award of "Good Job" trophies for answers to the following weighty questions:

Cells ...

:C1. There is always at least one entry-exit (same color) pair. I have seen up to five pairs. Is there a limit?

:C2. I have never seen a two-color entry or exit, in over 100 tries, but I have seen pictures posted of this case. How rare are they?

Entry points (where balls enter the cell) ...

:E1. The entry rate varies randomly. Is there a limit to the range of time between two balls?

:E2. Some entries produce balls much faster than others, forever. Does this depend on color? Location? Anything else?

Exit points (where balls leave the cell) ...

:X1. At exits there is a display indicating x or check, and a ring meter showing progress towards check. Eating the wrong color reduces the ring score. By how much? Is it the same amount as is gained by eating the correct color?

:X2. The ring countdown starts about 4 seconds after the last ball, and lasts about 10 seconds. Does this ever vary?

Object properties ...

:O1. The pillow clearly absorbs energy. What other objects have variation in bounce, and how much? By sending a stream of green balls at high speed into targets, it can be observed that the brick and the shot glass (outside edge) are more bouncy than the anvil, which in turn is more bouncy than the plank. Are other colors (such as red) affected the same way?

:O2. Does the bounciness of any objects vary over their shape? The head of the mallet seems a little bouncier, but it's hard to set its angle to precisely match other test objects. The shaft of the pivot thing seems to be sticky. The dead edges of the triangle bonkers seem to absorb all inward energy from green balls, but only some energy from red balls.

:O3. Do the bonkers give a constant exit speed, or does it depend on something like the arrival speed or ball color? Does the exit speed replace the entry speed, or are they combined somehow? Like the dead edges (see O2) I suspect the live edge also absorbs inbound energy before it fires, so the outbound energy may be constant, though maybe not for all colors.

Cats ...

:K1. Over what range and direction will the cat swat at a nearby ball?

:K2. Does the cat always add the same amount of energy when swatting a ball?

:K3. Does the cat always add energy in the same direction when swatting a ball? At first glance the direction seems to be random over a range of angles, but this may be due to random entry points, speeds, and directions for the balls, rather than due to randomness by the cat.

:K4. Is there a rate limit for how often the cat will act?

Black holes and Repulsers ...

:B1. At their default size, repulsers are much stronger than black holes. How much stronger?

:B2. How does effect scale with distance? Are black holes inverse-square? What about repulsers?

:B3. Is there frame dragging around black holes? (good luck :)

:B4. At an exit, does the rate of ring decay slow down if a black hole is nearby?

Bonus observation: Black holes have large solid centers. A red ball stuck to a black hole can be seen bouncing off the center.

Spoiler for B1 and part of B2: If five default size black holes and one default size repulser are all placed at the default center, they seem to cancel out exactly, at all distances, though the solid centers still repel direct collisions. So the ratio is 5:1 and the distance equation (whatever it is) seems to be the same for both objects.
[[Special:Contributions/162.158.167.94|162.158.167.94]] 15:53, 14 April 2024 (UTC)

: C1: Current (as of y=70 filled) maximum across the machine is 5 pairs, only occuring 5 times, so I suppose it doesn't go higher. C2: So far there are only three combined gates in the machine, all two-color: one between (3, 8) and (4, 8) and two between (6, 50) and (7, 50). So yes, they are very rare. [[Special:Contributions/172.70.250.206|172.70.250.206]] 21:38, 14 April 2024 (UTC)

:Re. X1, I'm pretty sure (but don't have evidence, that the answer is 'no - a bad ball reduces it by more than a good ball increases it'. I can also think of an X3 - Does a good ball always increase the counter by the same amount; does this vary by colour or anything else? [[Special:Contributions/172.69.195.229|172.69.195.229]] 08:47, 15 April 2024 (UTC)

: E1: In the machine there is a value called ms_per_ball. Its value is 1000. Ie, a ball should be spawned every 1 second into the overall machine per entry. [[Special:Contributions/162.158.111.212|162.158.111.212]] 18:56, 15 April 2024 (UTC)
:: Measuring five random new puzzles, I found most entries deliver 1 ball per second, or almost that much. But I found one green entry that only provided 1 ball every 2 seconds (15 in 30, forever). When I delivered those green balls to the green exit point, I found the ring meter there filled up twice as much per ball consumed. Later I found a red entry that produced only 8 balls in 30 seconds, forever. Those red balls also filled the red exit ring meter much faster than usual. [[Special:Contributions/172.69.134.17|172.69.134.17]] 12:51, 8 May 2024 (UTC)
: K1: There are 3 collision zones defined for the cat swat: The head, its butt & a zone in front of it ("swat sensor"). [[Special:Contributions/162.158.111.212|162.158.111.212]] 18:56, 15 April 2024 (UTC)
: K2: Yes. There is in fact a hidden property called catMass. Its value is 2. I am not aware of any machines which submitted a different value. I have submitted my own (sadly not accepted) with stronger cats (a higher catMass value). [https://incredible.xkcd.com/folio/02092fc5-9e23-5468-990e-fba7d67d82c6 Here's an example]. This value is multiplied by 8 and then divided by the minimum of inverse mass of the ball or JS' Number.MIN_VALUE. So to answer your question: yes, it is the same, unless this value got altered (through external methods) and depending on the ball type. [[Special:Contributions/162.158.111.212|162.158.111.212]] 18:56, 15 April 2024 (UTC)
::I observe the cat imparts the same velocity to yellow balls and to green balls. The green balls weigh about 30x more than the yellow balls, so I think for "same energy" the answer appears to be no.[[Special:Contributions/162.158.167.28|162.158.167.28]] 15:29, 24 April 2024 (UTC)
: K4: A cat will at the fastest swat every 200 ms. However up to another 400 ms are added by random. So the limit is a range from 200 to 600 ms. (Simplified, there is a period called "baby jail" where the cat has stopped the 'swat' animation but still cannot swat a new ball. This time is included in the previous calculation.) [[Special:Contributions/162.158.111.212|162.158.111.212]] 18:56, 15 April 2024 (UTC)
: C2: After trying well over 200 reloads, I obtained a cell with three entries (inputs) and four exits. One of the entries produces both blue and red balls, at different rates. [[Special:Contributions/172.69.134.17|172.69.134.17]] 12:47, 8 May 2024 (UTC)
: E1, E2, X1, X2 and X3: The example link posted above regarding K2 is very enlightening. It reveals (in JSON) that entries and exits have assigned speeds called "rate"s (partly addressing E1, E2, X1, X2 and X3). Rates range from at least 0.55 to 0.76 (maybe balls-per-second, and maybe up to 1.0). It also reveals the items we add are "widgets" and they each have names such as "board" and "catswat". Also the entries and exits are called "inputs" and "outputs", and the balls have types including 1 and 2 which probably correspond to colors. Further review of such examples could be used to update and harmonize the main explanation. [[Special:Contributions/172.69.134.16|172.69.134.16]] 12:53, 8 May 2024 (UTC)

== Submission Rules ==

Has anyone had any luck determining what the rules for submission are? Like many others, I've submitted a few that I've taken painstaking care to get right only to have them disappear after the refresh, never to be seen again. At first I assumed it was first come, first served, with the first submission getting included, but I'm not so sure.

I took a look at the "[https://pastebin.com/jN5MP2za first 42]" versions that someone provided above, and noticed:
* The very first submission, "Pretty Bad" at (0,0) is still there.
* The second submission is "Don't Forget to Switch Your Fans" which is actually (7,0). It's also still there.
* These are followed by "sword" at (2,0) and "Fred" at (1,0), also still there.
* Next is "Pinball Bouncer" which is actually (0,1).
* Next is "undercomplicated". However this is then replaced by "OnlyFans" which is then replaced by "popcorn". "popcorn" appears at (3,0) and is still there.

What caused these to be added, then removed/replaced if it's first come, first served?

I also noticed over the weekend that I was getting assigned blocks that weren't even in the machine yet. I had rows 67 and 68, and the machine was only on row 65.

Also, I did two on row 68, then one on row 67.

None of these got added, which I assume means that someone else completed them before me, BUT that I started before they finished, otherwise I would hope I wouldn't have been assigned one that was already done.

Just now, I created one for a simple red-in, red-out at (7,73). I completed and submitted it. Then I refreshed and hit the edit button a few times and after a few tries I got another red-in, red-out with the input and output at the exact same place. I threw a couple of boards into it and submitted it and it showed it at the exact same spot, (7,73). So I was able to create a new one for the same spot I had already submitted one. I feel like this implied it's not first come, first served, as if so, why would it allow more people to submit for the same spot that someone had already successfully submitted? FWIW, the lowest row on the actual machine at this point is 70. [[Special:Contributions/172.70.134.54|172.70.134.54]] 15:16, 15 April 2024 (UTC)
:: The criteria is not known yet. But it seems you are supposed to be able to make multiple submissions per specific cell / puzzle type (there is a list of puzzles sent to the client, when you submit one, the server picks a position which fits that puzzle.). Then one seems to be chosen manually for a specific cell. There are times of day when the machine is being updated very often, and other times when nothing happens for a while, indicating it is likely a manual process. When a puzzle is added to the grid, the value `snapshot` is populated under its corresponding /folio/ URL. Otherwise it is null. The submission time does not seem to have an effect on if your machine would be accepted. [[Special:Contributions/172.68.195.183|172.68.195.183]] 18:29, 15 April 2024 (UTC)
:It's not simply the first submission, because then we'd see many more simple solutions. Most of the trivial cells get artistic designs and overcomplicated contraptions, which take longer to build and would have lost to simpler and quicker solutions. It's not always the most elaborate contraption, because there are a few really minimal solutions where surely someone else submitted something more complex. It's often not the most correct solution, because many designs get clogged quickly or lose many balls, and I've seen some good solutions get replaced with ones that mis-sort many more balls. It's not always a bad solution either, because there are some that work really well.
:It's possible that the server collects submissions for a while and then chooses one at random. It's also possible that the selection is manual, or maybe the manual step is just a final approval to ensure that no hate speech or other garbage gets in.

man I love messing with the hinges lol [[Special:Contributions/172.70.54.165|172.70.54.165]] 18:49, 18 April 2024 (UTC)Maxalon

==Is the Machine now 'complete'?==

For the first time, I'm seeing a machine with no 'under construction' cells. Do we think it has now stopped processing new submissions (despite still having the option to build them)? [NB - even with all the bottom row cells providing balls to the chambers, the Bouyancy is still only reaching the side of the pit and then sinking.][[Special:Contributions/172.70.91.146|172.70.91.146]] 11:57, 24 April 2024 (UTC)
:On the contrary, here. I submitted some machines. (Even did a hard-reload of the page, between them, in case I had to 'update' the scripting behind it.) I get my solution placed at the bottom layer (in once case, it had a "chuck across to the ball-bins" pipe, though nothing got sent across to the ball-bin/no activity was happening in the ball-pit and there's no USS Bouyancy floating around, in another, it just went into nothing) but I'm ''surrounded'' (to the sides, and above) with Under Construction Tape machine-cells. In one example, I had to scroll up 19 layers before I hit any actual machines (in another, it was well into the 20s, but I lost count).
:Latest submission was [https://xkcd.com/2916/#xt=9&yt=65&v=896 this one], didn't keep a note of the immediately prior ones. Not sure what it looks like from anybody else's perspective. (Nor [https://xkcd.com/2916/#xt=9&yt=66&v=896 a] [https://xkcd.com/2916/#xt=8&yt=69&v=896 selection] [https://xkcd.com/2916/#xt=10&yt=67&v=896 of] [https://xkcd.com/2916/#xt=1&yt=72&v=896 those] [https://xkcd.com/2916/#xt=1&yt=71&v=896 that] [https://xkcd.com/2916/#xt=5&yt=69&v=896 I] [https://xkcd.com/2916/#xt=1&yt=72&v=896 noted] previously... And given that there are two "xt=1&yt=72"s in that list, it looks like I later 'redid' a cell anyway, presuming the "v=896" is my constant UID, as it has never changed since I started to note these things.) [[Special:Contributions/172.69.79.139|172.69.79.139]] 23:30, 25 April 2024 (UTC)
:Postscript: "[https://xkcd.com/2916/#xt=9&yt=65&v=896 this one]" doesn't even send ''me'' to my own just done machine, when I test it! In fact, I'm fairly sure that the one I was linking had green and red (maybe red) balls that needed 'servicing', not the Blue/Red of the "LBC" cell. If not that, it was green, red and blue, but I think that was the one before the hard-refresh. [[Special:Contributions/162.158.33.145|162.158.33.145]] 23:36, 25 April 2024 (UTC)

:Definitely still under construction - it's up to version 1233 as of now. I've been keeping an eye on it - you can see a list of all published machines with permalinks on my [https://github.com/scpso/incrediblexkcd github page] and search for the names of machines you've submitted to see if they ever got published, or download the csv if you want. None of mine have been published but I've still had a lot of fun. [[Special:Contributions/172.68.144.154|172.68.144.154]] 13:27, 27 April 2024 (UTC)

:As of May 23 2024 it looks complete - no "under construction" cells (except during page load). I also notice that the new blank machines on offer for solving have become simpler. Most have only one or two pairs of inputs/outputs now; rarely three. When the page was new it was possible to get four or even five pairs. BTW many of the submissions are very clever, so congrats to those who were chosen. [[Special:Contributions/172.71.158.116|172.71.158.116]] 20:03, 23 May 2024 (UTC)
::Nope, it's still going. [[Special:Contributions/172.69.59.204|172.69.59.204]] 23:35, 26 May 2024 (UTC)
::Maybe the reduction in input/output counts is intentional, to assist in fitting accepted submissions into the machine. [[Special:Contributions/172.69.22.56|172.69.22.56]] 14:44, 27 May 2024 (UTC)
:::I believe it might be complete now. I just submitted one and it replaced one of the existing cells not near the end of the machine. There are no "under construction" cells. [[User:InTheSky|InTheSky]] ([[User talk:InTheSky|talk]]) 09:09, 28 May 2024 (UTC)
::::Just yesterday, I had "construction all the way round" my submission (well, left, right, I was not on the bottom layer and the cell above had yellow tape; did not scroll to see diagonals/further), but I can't test the situation ''right now'', so it might have changed. But I am so used to entries being within a mass of 'taped off' neighbours (and not yet, SFAIK, had a permanent entry into the recurring composite 'board' that lasted beyond the period of submission). [[Special:Contributions/172.70.162.18|172.70.162.18]] 10:09, 28 May 2024 (UTC)

== Balls have spin ==

This is subtle, and hard to see because the balls no visible texture: The balls carry spin. It can be seen, with effort, using green balls (which are heaviest). Rolling down a slope (say, two boards), green balls accumulate spin in the direction they are rolling. Let them drop off the end and then bounce off a brick such that they travel upward, but with very little sideways motion. Then "catch" the balls with a brick just past their apex, when they are moving slowly. If the ball lands on a horizontal brick, it can be seen that the ball will suddenly accelerate left or right based on the spin. [[Special:Contributions/172.71.155.18|172.71.155.18]] 15:17, 1 May 2024 (UTC)

== Stacking Objects ==

Stacking certain objects seems to stack their effects. For instance, enough Fans placed directly on top of each other are strong enough to redirect even green balls in mid-flight.

Multiple Bonks create a more powerful bounce, sometimes fast enough to make the ball seem to disappear briefly. These effects can be useful in overcoming certain restrictions and difficulties, or just for the joy of watching balls rocket around.

Stacking moving objects like Hinged Hooks and Wheels creates a completely different effect. Multiple hooks of either handedness - left or right - will lock together and then start to rotate slowly or swing wildly, together or separately, in both directions. Even when the hooks are moving slowly, balls that interact with them will sometime either rocket away or stick to them with a gravitation effect.

Combining left and right hooks has similar effects, but more than 4-6 of either hook will typically slow the animation, and eventually freeze it completely.

More Wheels can be stacked than hooks, with numbers in the dozens still allowing the animation to proceed. They will act in a similar fashion, sometimes locking and sometimes spinning wildly. Balls that strike them will be projected away at high speed, sometimes disappearing, or reappearing in a different section (a round Bonk will often flash briefly with no visible interaction).

Other interaction include sucking the ball into the interior of the wheel, where it sometimes disappears, or clinging to the surface like a gravitational attraction. The more Wheels, the more likely that the ball will simply disappear.

These techniques create interesting chaotic environments in the cell, but make it difficult to meet the ball feed requirements for submission. With multiple inputs it becomes effectively impossible. One work around is to separate streams for the balls at the source, protecting one stream to feed it into the output while allowing the rest to interact with the chaotic object. This is easiest with a single input at the top of the cell, but is still possible with one or more side inputs, depending on the location of the outputs.

The easiest way to stack hooks is to leave them at the spawn point and spawn more on top. Moving hooks and stacking them manually makes it hard to realign them perfectly to get the chaotic interaction, although they will still interact in unexpected ways. Wheels however can be effectively moved and stacked manually.

Adding another object on top may freeze the movement if the object is large large enough. A brick or a round Bonk will not significantly affect the Wheel, nor will a Black Hole or Repulser, but a Board, which extends beyond the Wheel, will lock it in place. The chaotic effects remain even when the wheels aren't moving - the balls seem to react as if they were spinning at high RPMs. [[User:Yusagi Yojimbo|Yusagi Yojimbo]] ([[User talk:Yusagi Yojimbo|talk]]) 17:22, 6 May 2024 (UTC)

== Wheel/Fan page crash ==

If you place a fan close to a wheel, such that the middle of the fan is about in line with the bottom edge of the lower wheel blade, and the fan blades are just barely touching the wheel blade, then the wheel accelerates apparently without bound. Eventually any ball that touches the wheel simply disappears from the page. Around 20 seconds later (as the wheel continues to accelerate apparently) the page crashes upon the next ball impact, with a javascript error:

<pre>Uncaught RuntimeError: unreachable executed
stepWithEvents rapier_wasm2d_bg.js:2726
step physics_pipeline.js:16
step world.js:111</pre>

At that point you lose your creation, which sadly I learned the hard way. This is fairly easy to reproduce. --[[Special:Contributions/172.71.166.206|172.71.166.206]] 01:23, 7 May 2024 (UTC)

I can't seem to get this to work. It could be because I'm dumb, though. That happens sometimes. [[User:Psychoticpotato|Psychoticpotato]] ([[User talk:Psychoticpotato|talk]]) 00:00, 14 May 2024 (UTC)

https://imgur.com/a/EhzlbCV --[[Special:Contributions/172.68.26.74|172.68.26.74]] 13:48, 15 May 2024 (UTC)

Talk:2937: Room Code

2024-05-27T14:09:03Z

172.70.162.18: Corrected the inserted comment, re: signing.

Obviously, for many of us it would be more helpful as a mnemonic for a slightly older relative born on May 18, 2002. But since the author is American, it is of course reasonable for him not to have mentioned this. [[Special:Contributions/162.158.134.235|162.158.134.235]] 20:36, 24 May 2024 (UTC)
:ISO-8601 FTW.
:[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 14:05, 25 May 2024 (UTC)
::Do "many" of you use YYMMDD though? YY rather than YYYY? Many, many of us use DDMMYY though. [[User:Yorkshire Pudding|Yorkshire Pudding]] ([[User talk:Yorkshire Pudding|talk]]) 20:46, 24 May 2024 (UTC)
::::UK resident here. I have only used YYYYMMDD at the start of file names to manually produce versioning order.[[User:RIIW - Ponder it|RIIW - Ponder it]] ([[User talk:RIIW - Ponder it|talk]]) 07:30, 25 May 2024 (UTC)
:::::Another Brit. Having dealt with transatlantic stuff, I switched to YYYY/MM/DD exclusively due to being utterly fed up with trying to work out when an ambiguous date (like in this example, or the infamous 9th of November) was supposed to be. [[Special:Contributions/172.71.131.158|172.71.131.158]] 21:40, 26 May 2024 (UTC)
::::::This particular Brit (also veteran of Y2K, at the same time as regularly "talkin' to 'Merkins" and having to make sure I don't confuzzle them either with what a Rightpondian would write or by them ''assuming'' that I'm writing in Rightpondian when I'm not) continues to tend to use DD/Mmm/YYYY for anything with a human-reading focus. Or something like YYYYMMDD(-hh(mm(ss))), as per RIIW's situational reasoning where dumb alphanumeric ordering might dominate in primarily computer-reading scenarios. [[Special:Contributions/172.69.79.164|172.69.79.164]] 23:32, 26 May 2024 (UTC)
:::Yes, add me to the "2nd of May" club. (Or whatever young relative I can retrospectively induce to join, anyway.) [[Special:Contributions/172.69.79.165|172.69.79.165]] 22:58, 24 May 2024 (UTC)
:::Yes, of course DDMMYY is a thing as well (although I would have expected dots or something), I might have mentioned that. Here in Sweden, YYMMDD is very common, along with YYYY-MM-DD, D/M YYYY and YYYYMMDD (the latter increasingly so, very rare before y2k). YY-MM-DD and D/M -YY are rather less common (after y2k). Formats with dots or Roman numerals are almost unheard of, as are middle-endianness and anything with slashes before or after the year. Source: subjective experience.) (Of course, many Swedes also realize that months have names that alleviate ambiguity.) [[Special:Contributions/162.158.134.242|162.158.134.242]] 04:30, 25 May 2024 (UTC)
::::Now I want some kind of joke about Your Mileage May Vary, but it's some variation of YYDMDM. (Yes Your Date May Deviate Massively?)
::::[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 14:12, 25 May 2024 (UTC)
:::My birthday is actually May 18, XXXX, and I am American, but I always use XX0518 for a 6 number code.
::Which brings up https://www.explainxkcd.com/wiki/index.php/2562:_Formatting_Meeting (I don't know how to do internal links) [[Special:Contributions/172.71.22.80|172.71.22.80]] 20:52, 24 May 2024 (UTC)
::::I know that State Side, they say that as you write May 2nd 2024, then it's right to have MMDDYYYY, but they celebrate the 4th of July! However, in the UK we are likely to date letters 2nd May, 2024. [[User:RIIW - Ponder it|RIIW - Ponder it]] ([[User talk:RIIW - Ponder it|talk]]) 07:30, 25 May 2024 (UTC)
:::::Now I want some kind of joke about Your Mileage May Vary, but it's some variation of YYDMDM. (Yes Your Date May Deviate Massively?)
:::::[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 14:12, 25 May 2024 (UTC)
::::::YMMD (Your Mileage May Differ) {{unsigned ip|162.158.129.253|08:52, 27 May 2024}}
:::''"I don't know how to do internal links"'' At the very bottom of the Editing page, "'''Editing help (opens in new window)'''", which goes to https://www.mediawiki.org/wiki/Help:Links and you want "'''Internal links'''" --[[User:PRR|PRR]] ([[User talk:PRR|talk]]) 00:11, 25 May 2024 (UTC)
::::In case it helps, I've just [[User talk:42.book.addict#Depends what you wanted to do...|written something, at least so long as that user doesn't delete or change my contribution]] which summarises (badly?) the general gamut of linking options you might need to employ here. It's tuned to explainxkcd usage, rather than the full (in their own way) and perhaps more precise wikipedia standards that the above link gives. And it was written on the spur of the moment, not really so carefully edited. But FYI. [[Special:Contributions/162.158.38.70|162.158.38.70]] 21:04, 25 May 2024 (UTC)
::Also related [[1179:_ISO_8601]] --[[Special:Contributions/172.71.160.93|172.71.160.93]] 09:09, 27 May 2024 (UTC)

wait...so y'all actually don't need help with remembering numbers? oh. I can usually memorize like 10 long strings of random numbers almost instantly by finding patterns through them. order through chaos? [[User:42.book.addict|42.book.addict]] ([[User talk:42.book.addict|talk]]) 02:13, 25 May 2024 (UTC)
:These patterns are a kind of mnemonic, duh. Only works if you're comfortable enough with numbers (to be able to find some pattern in any digit string), otherwise one should use a more familiar association. [[Special:Contributions/172.68.194.201|172.68.194.201]] 14:58, 25 May 2024 (UTC)

I usually remember numbers with their pattern on computer or telephone keys. When I recite π, I start moving my hand through the air at some point. Here the even position digits are ascending in the middle and the others are 001, so quite easy. [[User:Fabian42|Fabian42]] ([[User talk:Fabian42|talk]]) 03:39, 25 May 2024 (UTC)
:I remember random information by putting it in my phone! [[User:RIIW - Ponder it|RIIW - Ponder it]] ([[User talk:RIIW - Ponder it|talk]]) 07:30, 25 May 2024 (UTC)

He forgot to dot the question mark. 🤭
--[[Special:Contributions/162.158.74.68|162.158.74.68]] 09:41, 25 May 2024 (UTC)

I always have a pen to write on my hand for this reason tbh [[User:Psychoticpotato|Psychoticpotato]] ([[User talk:Psychoticpotato|talk]]) 03:31, 26 May 2024 (UTC)
:The trouble is, most people couldn't do it for this doorcode. It has six digits, but the typical hand only ever has five! [[Special:Contributions/172.69.194.207|172.69.194.207]] 09:03, 26 May 2024 (UTC)
::Hello. My name is Inigo Montoya. [[Special:Contributions/172.68.194.178|172.68.194.178]] 09:50, 26 May 2024 (UTC)

The room code 020518 as listed consists of prime numbers 2 and 5 (with 3 missing). however both are preceded by a zero. The 18 is interpreted as non prime (it is not) but the 2x3x3 seems a bit far off from any prime. Would the alternative explanation 0-5 is a zero followed by the prime number five --- followed by 1 - 8 which is 0+1 and 7+1 which could be logical continuation of 0+0-5+0, 0+1-7+1, followed by e.g. 0+2, 11+2 etc. - as such series sometime go. [[Special:Contributions/172.70.46.193|172.70.46.193]] 14:10, 26 May 2024 (UTC)

Talk:2936: Exponential Growth

2024-05-27T10:11:39Z

172.70.162.18:

If that's done by each of your moves being to add one (more) grain to the board, the game would last quite a while. Even with reduced time-limits on the game-clock. [[Special:Contributions/172.70.91.154|172.70.91.154]] 21:27, 22 May 2024 (UTC)

Hmmm. Interesting. [[Special:Contributions/172.69.58.203|172.69.58.203]] 21:31, 22 May 2024 (UTC)

First transcript! Hope it's good.[[User:Danger Kitty|Danger Kitty]] ([[User talk:Danger Kitty|talk]]) 21:36, 22 May 2024‎ (you only <nowiki>~~~</nowiki>ed, it looks like...)

Total of 2^64 - 1 ≈ 1.8 x 10^19 grains of rice. If a grain of rice averages 30 mg, then that's 5.5 x 10^14 kg of rice. That's around the mass of Lake Erie. [[Special:Contributions/172.71.223.56|172.71.223.56]] 21:38, 22 May 2024 (UTC)

The legend about the chess board and doubling the grain placed on each square is researched here:
https://history.stackexchange.com/questions/5992/what-is-the-origin-of-the-wheat-and-chessboard-legend [[Special:Contributions/172.71.150.113|172.71.150.113]] 21:50, 22 May 2024 (UTC)~

The rice is on the side or the board is turned wrong. {{unsigned ip|172.70.115.17|23:13, 22 May 2024}}
:...not sure what you mean here. (Also, do sign your contributions.) [[Special:Contributions/172.70.162.186|172.70.162.186]]
::The white square always goes on your right corner so this border is sideways (assuming we're looking at it head on, which seems likely) [[User:Apollo11|Apollo11]] ([[User talk:Apollo11|talk]]) 23:35, 22 May 2024 (UTC)
::a1 is a dark square, so wherever the one grain of rice is, it can't be a1. [[Special:Contributions/172.71.102.35|172.71.102.35]] 08:41, 23 May 2024 (UTC)
:::Either a8 or h1, which is SO annoying (most likley a mistake on Randall's part tho)[[User:Apollo11|Apollo11]] ([[User talk:Apollo11|talk]]) 15:35, 23 May 2024 (UTC)
With all those zeros in the values given for row eight i assume we are looking at the limitations of someones calculation skills/calculator... last I checked 5 was not a factor of any 2^n value? [[Special:Contributions/172.70.80.246|172.70.80.246]] 00:13, 23 May 2024 (UTC)
:I think we don't need this part at all. If we really want to illustrate the numbers we could simply use the illustration from here: https://en.wikipedia.org/wiki/Wheat_and_chessboard_problem#Second_half_of_the_chessboard [[User:Elektrizikekswerk|Elektrizikekswerk]] ([[User talk:Elektrizikekswerk|talk]]) 07:15, 23 May 2024 (UTC)

That doesn't look like Hairy in the final panel. Is it a Kasparov caricature? [[User:Nitpicking|Nitpicking]] ([[User talk:Nitpicking|talk]]) 02:12, 23 May 2024 (UTC)
:I agree it is not the standard Hairy. Since this is Kasparovs gambit and Karpov tried to counter it, then it should be Karpov that walks out! Even though it is not Kasparaov but Black Hat that used the gambit. --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 08:59, 24 May 2024 (UTC)
:Maybe it's the same Cueball from the first panel, but he's had to wait so long while Black Hat fetched all the rice that his hair grew out.[[Special:Contributions/172.70.160.249|172.70.160.249]] 13:32, 24 May 2024 (UTC)

I have to wonder if this comic is related to the Casablanca Chess Tournament that took place this past week, where 4 top-ranked players competed by playing a series of real historical games starting from the middle of each game. Magnus Carlsen won the tournament, which also included Hikaru Nakamura, Viswanathan Anand, and Bassem Amin. [[User:Ianrbibtitlht|Ianrbibtitlht]] ([[User talk:Ianrbibtitlht|talk]]) 04:38, 23 May 2024 (UTC)

Russia pulling out of Black Sea agreement has been labelled "grain gambit" --[[Special:Contributions/172.71.131.158|172.71.131.158]] 06:36, 23 May 2024 (UTC)

Trivia: 1. e2–e4 c7–c5 2. Sg1–f3 e7–e6 3. d2–d4 c5xd4 4. Sf3xd4 Sb8–c6 5. Sd4–b5 d7–d6 6. c2–c4 Sg8–f6 7. Sb1–c3 a7–a6 8. Sb5–a3 d6-d5!? is the Kasparov Gambit, see Wiki. [[Special:Contributions/172.71.160.30|172.71.160.30]] 08:56, 23 May 2024 (UTC)

This is a completely normal amount of rice. I eat this much grain daily. [[User:Psychoticpotato|Psychoticpotato]] ([[User talk:Psychoticpotato|talk]]) 13:21, 23 May 2024 (UTC)

Counter with Tree countergambit. plant tree(1) seeds in the first square and tree(2) on the next square then tree(3) in the next square. Nobody has found out what happens afterwards. {{unsigned ip|172.70.131.212|14:25, 23 May 2024}}

So, out of curiosity, how many grains of rice can you actually fit on an average chess board square? Or maybe, how big would a chessboard have to be in order for the rice to fit on top of every square without overflowing? [[Special:Contributions/172.69.91.144|172.69.91.144]] 22:13, 23 May 2024 (UTC)
:Assuming that its a standard size and it can stack up around 10 cubic inches upwards about 4117267200 grains [[User:Apollo11|Apollo11]] ([[User talk:Apollo11|talk]]) 03:08, 24 May 2024 (UTC)

:Judging by [https://www.instructables.com/Chess-Board-Full-of-Rice-Exponential-Growth/ this], I reckon if you were really, really patient you might just about corral the 2048 on square 12 to stay within the bounds without additional housing, but you'd have no hope with the 13th.[[Special:Contributions/172.70.90.98|172.70.90.98]] 14:25, 24 May 2024 (UTC)

::This is super cool. And helpful. I got the density of rice from this and tried to calculate the size of a chess board that could contain the nine quintillion grains of rice on the last square. Assuming the rice forms a cone with a 30° slope, one would need a chess board roughly the size of Colombia (1073296km² for the whole board). Can anyone confirm?[[Special:Contributions/172.69.91.165|172.69.91.165]] 10:56, 25 May 2024 (UTC)
:::I covered Columbia in rice, and can confirm your hypothesis. Though a small amount spilled onto the streets of Tulcan, Ecuador. [[User:These Are Not The Comments You Are Looking For|These Are Not The Comments You Are Looking For]] ([[User talk:These Are Not The Comments You Are Looking For|talk]]) 02:48, 26 May 2024 (UTC)
::::That's a neat trick. Especially as there are few {{w|Columbia#Places|Columbia}}s that are {{w|Colombia|adjacent to Ecuador}}... Probably why it hasn't made the news, with the geopolitical confusion as to what happened where. ;) [[Special:Contributions/172.70.85.31|172.70.85.31]] 08:59, 26 May 2024 (UTC)
::::: If you are willing to trust Google Maps, you can confirm that [https://www.google.com/maps/dir/Tulcan,+Ecuador/0.8140754,-77.6638233/@0.8185374,-77.7005492,14.25z/data=!4m9!4m8!1m5!1m1!1s0x8e2968bae7d5eb4d:0x2d2e73b19f33388d!2m2!1d-77.7165925!2d0.8150687!1m0!3e0?entry=ttu Tulcan, Ecuador is less than 10km from the border of Columbia]. [[User:These Are Not The Comments You Are Looking For|These Are Not The Comments You Are Looking For]] ([[User talk:These Are Not The Comments You Are Looking For|talk]]) 02:39, 27 May 2024 (UTC)
:::::: That's Colombia, not Columbia, I think is the point. [[Special:Contributions/172.70.162.18|172.70.162.18]] 10:11, 27 May 2024 (UTC)

Also, I noticed everyone here seems to have an ip in the 172.69.0.0 to 172.71.255.255 range, but I just checked and that's not even my ip address at the moment. What's that about? Does the wiki mask our actual ip addresses? [[Special:Contributions/172.69.90.110|172.69.90.110]] 22:29, 23 May 2024 (UTC)
:Not the wiki, but the gateways to the wiki that help with load-balancing and related connection issues. And you'll also see some IPs in the 141.x.y.z range, and others. I ''usually'' am in 171.[69-71].y.z range, but between one contribution another I might be anywhere.
:It's a known thing, for better or worse. Ultimately, there are behind-the-scenes details that would know the 'true' origin of everyone (give or take what load-balancing your own ISP also does at ''your'' side of the connection), but it's left obscured from our more plebian eyes.
:Getting a username will also remove the wider and more general geographic potshots someone can make a out your origin (the gateways seen to be used are likely to reveal ''at least'' your continent, if anyone's bothered), but I never saw the need.
:...now. I wonder under what range will the following put me..? => [[Special:Contributions/172.69.194.96|172.69.194.96]] 23:34, 23 May 2024 (UTC) 8) Postscript: I first quickly used Preview, and I actually got the 141.range, then posted for real and got the 172s. About ten seconds between the two 'postings'. Hah! [[Special:Contributions/141.101.98.129|141.101.98.129]] 23:36, 23 May 2024 (UTC)

"If exponential growth is unrestricted, it will eventually grow beyond the constraints of anything that could plausibly be built to contain it." - Given that the increase in rice grains is, itself, not plausible, I see no reason why the growth in size of rice cookers needs to be plausible either.[[Special:Contributions/141.101.98.119|141.101.98.119]] 09:59, 24 May 2024 (UTC)
:I was tempted to add something about square/cube-law (not quite applicable, as there'll be a smidgen of cubing as you raise the square-area of container material, etc, but along tbose lines), but that of course makes the implausibility threshold of the cookers higher than the same threshold of rice (everything else being equal). So then you're on to the heat-penetration abilities (after a while, the outer rice is overcooked, when the innermost rice has barely felt the heat). And that leads me to believe that something like a {{w|rotary kiln}} design might be best adopted (external heat, internalised water delivery, properly tuned, and could even be effectively pressurised with the right cycling addons to either end) to just accept rice in at a constant rate and produce perfectly cooked rice at the commensurate output rate. Of course, exponential increase in feed would then require exponential increase in parallel rotary-cookers to handle it, but starting at an already more efficient/controllable mass-cooking process than merely upscaling a traditional pot-style cooker. [[Special:Contributions/172.71.242.220|172.71.242.220]] 11:09, 24 May 2024 (UTC)

This is easily defeated. Simply counter by placing one {{w|Fox_games#Fox_and_Geese|goose}} on the 64th square, two geese on the 63rd, and so on. They'll quickly deal with the rice situation.[[Special:Contributions/172.70.163.120|172.70.163.120]] 13:39, 24 May 2024 (UTC)
:But then you need to add an increasing number of foxes starting at the first square to deal with the geese.[[User:Mathmannix|Mathmannix]] ([[User talk:Mathmannix|talk]]) 19:27, 24 May 2024 (UTC)
::And good luck taking the whole setup across a river with just a small boat! [[Special:Contributions/172.69.79.165|172.69.79.165]] 22:43, 24 May 2024 (UTC)

Correct me if I'm wrong, but assuming that the chess board is 20 inches square, the rice being stacked into a pyrimid 15 inches high, then it only works out to [https://www.wolframalpha.com/input?i=5.5+x+10%5E14+kg%2F%2820inches*20inches*15+inches*1%2F3%29 1.7x10^16 kg/m^3], which, according to Wolfram, is dwarfed by the density of a Neutron Star, much less a black hole. So is there some other reason the explanation claims it will become a black hole? Or was it just wrong [[User:Xkcdjerry|Xkcdjerry]] ([[User talk:Xkcdjerry|talk]]) 04:17, 25 May 2024 (UTC)

1575: Footprints

2024-05-26T18:44:41Z

172.70.162.18: /* Explanation */

{{comic
| number = 1575
| date = September 9, 2015
| title = Footprints
| image = footprints.png
| titletext = "There's one set of foot-p's cause I was totes carrying you, bro!" said Jesus seconds before I punched him.
}}

==Explanation==
The comic is a satirical graphical representation of the inspirational Christian poem "{{w|Footprints (poem)|Footprints}}," which has been recounted in many versions and is of disputed authorship.

The basic idea of the poem is that the narrator looks back at scenes of their life and sees two sets of footprints, their own and those of Jesus. During the most difficult times of their life, the narrator sees only one set of footprints and assumes that Jesus had left them during those times. In the climax of the poem, Jesus responds to the narrator that they saw only one set of footprints during the most difficult times of their life because Jesus was carrying them during those times.

The poem is seen by many as overly sentimental and is thus ripe for parody of this kind. The graph mockingly illustrates various times when Jesus or the narrator left the scene, or otherwise gives various reasons why the number of sets of footprints may have been other than two.

There are several odd events listed in the chart:

*The narrator of the original poem does not need to carry Jesus.{{Citation needed}}
*"That guy" refers to a mysterious person joining the narrator and Jesus on their walk. It is unclear if this person is paranormal or just some random guy tagging along.
*"Ducklings {{w|Imprinting (psychology)|imprinted}} on Jesus and followed Him around" is a reference to {{w|Konrad Lorenz}}'s experiments. Three ducklings followed Jesus and the narrator.
*"Jesus disappeared for an evening each time a new ''{{w|The Twilight Saga (film series)|Twilight}}'' movie came out" could mean that Jesus went to see the movie and left the narrator alone. It could also mean that his support of people through their most difficult trials meant he had to carry a lot of emotionally scarred people.
*"Got lost and followed our own footprints" may be a reference to "{{w|Winnie-the-Pooh}}" (1926), in which the titular bear and his friend try and hunt a "Woozle" by its footprints, actually following their own round and round a spinney, which also seems slightly childish for Jesus as traditionally portrayed. An alternate explanation is that they came to a dead end, and had to double back.
*"Rode around with Jesus in captured {{w|Walker (Star_Wars)#All_Terrain_Scout_Transport_.28AT-ST.29|AT-ST}}" is a reference to a two-legged combat "walker" from Star Wars. The implication is that Jesus would have participated in forcibly taking a war machine, which appears somewhat out of character.{{Citation needed}}

In the end, Jesus drowns in a patch of quicksand, and then the narrator simply goes home, again subverting the poem's earnestness. Quicksand can occur on beaches and can be dangerous to humans. If Jesus can leave footsteps in the sand, clearly he is applying pressure and could sink deeper. "Going home" could be a reference to dying, implying that the narrator died without Christ, the journey at an end. However the narrator probably just went home.

The title text continues the parody by imagining that Jesus delivers the poem's climactic lines in stereotypical {{w|Bro_(subculture)|"bro"}} speak, a dialect perceived by many to be obnoxious. "There's one set of foot-p's cause I was totes carrying you, bro!" can be translated into normal English as "There's one set of footprints because I was definitely carrying you, friend!".

The narrator punching Jesus is another subversion of the poem's perceived excessive sentimentality. One interpretation is that the narrator, like many people, dislikes usage of this lingo and punched Jesus as a result of this hatred. Another interpretation is that Jesus' obnoxious way of explaining himself indicated dishonesty, meaning he did not in fact carry the narrator during the most difficult parts of his life. The narrator sensed this and punched Jesus in retaliation.

An alternate explanation of some of the oddities of the strip is that "Jesus" is not Jesus Christ, but some guy merely ''named'' Jesus, as is common in some Latin American countries.

Using the ''Twilight'' movies as reference points, it can be determined that the span of the graph is from approximately early 2004 to late 2018, with Jesus' death in the second half of 2017.

The poem has appeared in xkcd before, at [[1110: Click and Drag|1110]] with coordinates 0.7601, -58.803.

==Transcript==
:[A graph is shown with a single red line that runs through from left to right, showing different values at different times. Until the very end, the line always returns to the value 2, signifying two sets of footprints in the sand. The X-axis has a label followed by an arrow pointing right. The Y-axis has a label at the top, right of the axis, and numbers, one for each of the ticks from which five thin lines going horizontally across the entire graph. Every time the graph moves away from the value 2 there is an arrow pointing to the event and a label. The first two events has the same label. The only label below the line has five small arrows pointing to five small dips in the curve. All other labels only has one arrow pointing to one event.]
:X-axis: Time
:Y-axis: Sets of footprints
::5
::4
::3
::2
::1

:[The line starts at the value 2, then dips twice to the value 1. The two troughs are labeled:]
:Jesus carried me

:[The line dips once again to the value 1. The trough is labeled:]
:I carried Jesus

:[The line rises to 3 briefly, and is labeled:]
:Who was that guy?

:[The line rises to 5 sharply, and then falls in a sharp staircase pattern, labeled:]
:Ducklings imprinted on Jesus and followed him around

:[The line rises to 4, labeled:]
:Got lost and followed our own footprints

:[The line dips for very short periods five times to the value 1. The first dip is between "I carried Jesus" and "Who was that guy?", the second between "Who was that guy?" and "Duckings imprinted on Jesus..." and the final three are all between the "Ducklings imprinted on Jesus..." and "Got lost and followed our own footprints". These five troughs share one label with five arrows from the same text:]
:Jesus disappeared for an evening each time a new ''Twilight'' movie came out

:[The line dips to 1, labeled:]
:Rode around with Jesus in captured AT-ST

:[The line dips and stays level at 1, labeled:]
:Hit quicksand patch. Jesus didn't make it :(

:[The line dips to zero at the end, and is labeled:]
:Went home

{{comic discussion}}
[[Category:Comics with color]]
[[Category:Line graphs]]
[[Category:Religion]]
[[Category:Language]]
[[Category:Animals]]
[[Category:Twilight]]

2933: Elementary Physics Paths

2024-05-20T08:00:02Z

172.70.162.18: /* Explanation */

{{comic
| number = 2933
| date = May 15, 2024
| title = Elementary Physics Paths
| image = elementary_physics_paths_2x.png
| imagesize = 464x672px
| noexpand = true
| titletext = ==COSMOLOGY==> 'Uhhh ... how sure are we that everything is made of these?'
}}

==Explanation==
{{incomplete|Created by a VERY NOT SIMPLE PARTICLE - Please change this comment when editing this page. Do NOT delete this tag too soon.}}

This comic explores the complexities of understanding the fundamental building blocks of the universe.

The absurdity of understanding ''everything'' starting from just understanding basic particles is similar to the fallacy presented in [[1570: Engineer Syllogism]].

In the first panel, Cueball expresses the idea that if he understands the behavior of tiny particles, he'll understand everything. This reflects a common scientific pursuit, {{w|reductionism}}, to uncover the basic principles underlying all physical phenomena in order to understand them. For example, most chemical reactions can be explained as the recombinations of a few dozen common elements.

The comic then splits into two branches representing different fields of physics which refute Cueball's optimistic assumption: {{w|condensed matter physics}} and {{w|quantum field theory}}.

On the left, the concept of {{w|antireductionism}} (or {{w|holism}}) is demonstrated by the Condensed Matter Physics branch. Cueball encounters a cloud of vibrating particles, which symbolizes the complexity that arises when simple particles combine to produce complex behaviors. The issue with reducing down to particles is that the number of different interactions between particles to understand makes the topic no longer simple. This highlights the challenge of predicting macroscopic properties from microscopic interactions, a central theme in condensed matter physics. This is shown in everyday life, from things like a baseball curving through the air, to how a mirror reflects light. [[1734: Reductionism]] also touches on the impracticality of gaining knowledge about a larger construct through understanding its constituent parts.

In the Quantum Field Theory branch, Cueball is faced with the issue that particles at the quantum level aren't simple. Quantum Field Theory deals with the fundamental particles and forces of nature, and it describes a complex world where particles can behave as both waves and particles simultaneously, among other strange phenomena.

The title text introduces a third branch: the field of {{w|cosmology}}, which deals with the large-scale structure and history of the universe. Cosmology suggests that even our catalog of the most fundamental particles might be inadequate - perhaps an allusion to theorized phenomena like dark matter and dark energy - raising questions about the nature of existence itself.

No matter how you study the universe, it's complicated.{{cn}}

==Transcript==
:[Cueball gestures at a particle, represented as a dot with motion lines around it.]
:Cueball: Everything is made of tiny particles. If I understand those, I'll understand everything!
:[The comic splits into two branches.]
:[Condensed Matter Physics branch]
:[Cueball is fretting over a cloud of particles.]
:Cueball: Oh no.
:Cueball: Simple particles can combine to produce complex behaviors.
:[Quantum Field Theory branch]
:[Cueball is fretting over the same particle as in the first panel.]
:Cueball: Oh no.
:Cueball: '''''These particles aren't simple!'''''

{{comic discussion}}

[[Category:Comics featuring Cueball]]
[[Category:Physics]]
[[Category:Cosmology]]

2930: Google Solar Cycle

2024-05-17T10:03:09Z

172.70.162.18: /* Explanation */ Definite article. Pinch of salt.

{{comic
| number = 2930
| date = May 8, 2024
| title = Google Solar Cycle
| image = google_solar_cycle_2x.png
| imagesize = 357x293px
| noexpand = true
| titletext = From Google Trends, it looks like the lag between people Googling cocktail recipes and 'hangover cure' is 14 hours.
}}

==Explanation==
{{w|Solar flare}}s appear on the Sun's surface in different numbers at different times. A {{w|solar cycle}} is the amount of time that elapses between times of maximum (or minimum) solar flare activity. This period is approximately 11 years.

Solar flares can generate interest, and 'news' stories at times of high activity, because they can sometimes cause {{w|aurorae}}, as well as power outages and other similar issues. Hence people will be more aware of them, and search for "solar flares" on Google to learn more about them. This trend somewhat matches the solar cycle since people will be more interested/concerned about solar flares during the times they are abundant and search for them more often. Randall notes that Google has existed for long enough to see [https://trends.google.com/trends/explore?date=all&geo=US&q=Solar%20Flares&hl=en the trend in searches for "solar flare" over a full solar cycle.]

The title text comments that people usually Google "hangover cure" 14 hours after they search for cocktail recipes. This suggests that people decide they want cocktails, look for ways to make cocktails, make (and presumably drink) the cocktails, wake up with a hangover and look for ways to get rid of the hangover. Google trends [https://trends.google.com/trends/explore?date=now%207-d&geo=US&q=Cocktail%20recipe,Hangover%20cure&hl=en does indeed] suggest that there is roughly a 14-hour difference in peaks between these searches. However this does not mean (as the title text implies) that the people searching for cocktail recipes are the same people that are searching for hangover cures later. It may represent the (not unreasonable) assumption that people who are exploring the idea of cocktails (for themselves or others) generally start to do so from the early evening onward, whilst those who find themselves freshly under the weather (not ''just'' from cocktail consumption) are likely to be finally provoked to look up a solution from around mid-morning.

One can illustrate the pitfalls of assuming such causation by substituting "chicken nuggets" for "cocktail recipe" which shows a very similar relationship. Chicken nuggets are not known to cause hangovers.{{cn}}

Looked at another way, there is a 10-hour 'lag' from searching for "hangover cure" to searching for "cocktail recipe"; this does not imply that having a hangover is causing people to be interested in drinking cocktails! (Though they may [https://gourmetinthemaking.blogspot.com/2016/02/posh-chicken-nuggets.html lead to chicken nuggets].)

Another very important problem with looking at scales of less than a day is that the Earth has 38 time zones, and people drink cocktails and wake up all the time around the world. Since everyone is searching the same Google, it is impossible to deduce anything on a daily basis by looking at global data. It is possible to see only searches from a particular country, but even then, in the case of the {{w|Time in the United States|US}} there are several hours difference from east to west that may smear out any such direct observations. This also applies to other countries/regions, being potentially at its most extreme {{w|Time in Russia|in Russia}}. This might be moot if the data is preprocessed to 'local' time, although the opposite issue might arise in {{w|Time in China|a case such as Chinese data}} (though any examination of Google Trends for China {{w|Google China#Blockage of Google|may not be fruitful}}).

The sunspot cycle was 'explained' in [[2725: Sunspot Cycle]].

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}
:[The label of the graph in the top left corner of the image:]
:Google Trends search traffic for "Solar Flare"
:[A graph starting in 2005, peaking in 2013. It rises until 2024 when the graph cuts off. There is an arrow in between the two peaks labeled "11 years".]

:[Caption below the panel:]
:I like that Google has existed almost long enough for us to observe the solar cycle using Google Trends.

{{comic discussion}}

[[Category:Timelines]]
[[Category:Line graphs]]
[[Category:Google Search]]
[[Category:Astronomy]]
[[Category:Food]]
[[Category:Comics to make one feel old]]