explain xkcd - User contributions [en]

2995: University Commas

2024-10-09T08:09:32Z

172.70.85.103: Undo revision 352392 by 172.70.85.103 (talk)

{{comic
| number = 2995
| date = October 7, 2024
| title = University Commas
| image = university_commas_2x.png
| imagesize = 580x273px
| noexpand = true
| titletext = The distinctive 'UCLA comma' and 'Michigan comma' are a long string of commas at the start and end of the sentence respectively.
}}

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

The use of commas in the English language is {{w|Comma#Uses in English|famously disputed}}, most relevantly among publishers and academics. This comic imagines that all possible (and some improbable) comma positions in an example sentence are associated with different universities. This applies to commas which should ''always'' be present in a list, optional commas elsewhere in the sentence (which have nothing to do with a list, such as after the word "please") and blatantly erroneous commas (which should ''never'' be present in a sentence, e.g. immediately prior to the {{w|full stop}}/period).

The Oxford comma (a.k.a. {{w|Serial comma}} or, despite how this comic represents it, the ''actual'' Harvard comma) is a comma between the penultimate item in a list and its conjunction (typically ''and'' or ''or''), to echo all the commas (at least one) that act as {{w|Comma#List separator and the serial (Oxford) comma|placeholders for the conjunction}} in-between all prior members of the list. For instance, you might write "red, white, and blue" (with the Oxford comma) or "red, white and blue" (without it). Some style guides, such as ''{{w|The Oxford Style Manual}}'' published by {{w|Oxford University Press}}, (unsurprisingly) recommend using it, while other similarly authoritative guides recommend against it. Though even those with either recommendation may suggest its (non-)use in situations where this avoids an ambiguity arising from the normally recommended choice.

One {{w|Serial comma#Ambiguity|common example}} showing the need for an Oxford comma is "To my parents, Ayn Rand''',''' and God". Without the comma (as in: "To my parents, Ayn Rand and God"), it may read that the author's parents are Ayn Rand and God. If such confusion is to be avoided, reordering the list is a common way to avoid ambiguity, for example, "To Ayn Rand, God and my parents" is one such reordering. However, the use of an Oxford comma in this version might imply the deification of Ayn Rand. Conversely, if the sentence was instead to be "To my mother, Ayn Rand, and God", with such a comma, there arises the possibility of an assertion that one's mother is Ayn Rand, whereas "To my mother, Ayn Rand and God" does not let one fall into that trap.

In the most common interpretation the example sentence reads (with proper punctuation and bracketed Oxford comma): "Please buy apples, mac and cheese, milk[,] and bread."

"Mac and cheese" is a common short name for {{w|macaroni and cheese}} in the US and Canada. When we join just two items together, e.g. to name a compound food such as "peanut butter and jelly", "fish and chips" or "steak and eggs", we don't put a comma before "and". It is in the use of such compounded items, as a singular list item, where some confusion can arise. Alternate forms ("fish'n'chips", "PB&J") can put emphasis upon the low-level linking of the components, the outer list can be rewritten (e.g. with semicolon separation) or the reader can be left to logically assume where such a commonly encountered pairing is not part of the wider list. A difference in conjunction can also help to clarify, as in "A good choice of breakfast is ham and eggs, sausage and eggs or sausage and beans, but not ham and beans", which is ''unlikely'' to be accidentally misunderstood (including as options such as "sausage + (eggs or additional sausage) + beans" or "sausage + ('non-ham' beans) + further beans").

However, most of the commas are possible punctuation marks in a specific pragmatic reading of the sentence:

{| class="wikitable" style="margin:auto"
|-
! Comma name !! Notation !! Explanation
|-
| Harvard comma || Please, buy apples, mac and cheese, milk[,] and bread. || Emphatic plea, marked by a sub-clause separator. (Note that "Harvard comma" is already a common synonym for the Oxford comma, in its context.)
{{w|Harvard University}} is one of eight {{w|Ivy League}} universities in the United States.
|-
| Yale comma || Please buy, apples, mac and cheese, milk[,] and bread. || A merchant's plea to their customer, marked by a sub-clause separator. This makes the sentence a sentence fragment but this is not uncommon in speech. The implication may be that the list of items are those for sale or that there is a promotion around those items specifically.
{{w|Yale University}} is one of eight Ivy League universities in the United States.
|-
| Stanford comma || Please buy apples, mac and cheese, milk[,] and bread. || Mandatory separator in a list. Without this comma, "apples" could be interpreted as an adjective to "mac and cheese".
{{w|Stanford University}} is one of the prominent universities in the United States. It is located in Silicon Valley, a short distance from the headquarters of {{w|Apple Inc.}} The Stanford comma between "apples" and "mac" is probably necessary there to distinguish discussions of the food products from discussion of the computer products.
|-
| Columbia comma || Please buy apples, mac, and cheese, milk[,] and bread. || A plea to buy apples, cheese, milk and bread, directed at a person called Mac, whose name is stylized as "mac".
{{w|Columbia University}} is one of eight Ivy League universities in the United States.
|-
| Cambridge comma || (Please buy apples, mac, and, cheese being unavailable, milk[,] and bread.) || Valid with a qualifying sub-clause; invalid in the example sentence. Also requires "mac" to be an item of its own, not a part of "mac and cheese".
The {{w|University of Cambridge}} is one of the two eponymous {{w|Oxbridge}} universities in the United Kingdom. Not to be confused with {{w|Cambridge, Massachusetts#Higher education|other establishments}} in (or originally in) Cambridge, Massachusetts.
|-
| Cornell comma || Please buy apples, mac and cheese, milk[,] and bread. || Mandatory separator in a list.
{{w|Cornell University}} is one of eight Ivy League universities in the United States. It has {{w|Cornell Dairy|its own dairy farm}}, which is why the Cornell comma is placed between dairy products, "cheese" and "milk".
|-
| Oxford comma || Please buy apples, mac and cheese, milk, and bread. || The {{w|Oxford comma}}, as discussed above, is a comma often used in lists (with more than two elements) to further separate the last two elements and thus attempt to avoid ambiguity. In this case, it is unlikely that there would be confusion as to how to interpret the given list, with or without this comma.
The {{w|University of Oxford}} is the other eponymous Oxbridge university in the United Kingdom.
|-
| Princeton comma || (Please buy apples, mac and cheese, milk[,] and, bread being out of stock, oats.) || Valid with a qualifying sub-clause; invalid in the example sentence.
{{w|Princeton University}} is one of eight Ivy League universities in the United States.
|-
| MIT comma || (Please, buy, apples, mac, and, cheese, milk, and, bread,.) || Possible reference to [https://stackoverflow.com/questions/11597901/why-are-trailing-commas-allowed-in-a-list trailing commas sometimes used in programming], which would be associated with a university highly specialized in technology. If each of these words were identifiers, then including all commas would be a valid way to express a list in some languages (though using a period to indicate the end of a list is uncommon).
The {{w|Massachusetts Institute of Technology}} is one of the prominent universities in the United States.
|-
| UCLA/Michigan comma(s) || (,,,…,,,Please, buy, apples, mac, and, cheese, milk, and, bread,.,,,…,,,) || '''Title text proposal''', each establishment being perhaps responsible for both or either sets of commas. Can perhaps relate to rather specific quotation or quote-separation contexts not in common use.
The {{w|University of California, Los Angeles}} and the {{w|University of Michigan}} are two more well known universities in the United States.
|}

Depending upon who you talk to, the two establishments referenced by the title text may not be considered quite as prominent or outstanding as the Ivy League universities, or others mentioned here, hence their relegation to title text punchline. But (actual Ivy Leaguers) {{w|Brown University}}, {{w|Dartmouth College}} and the {{w|University of Pennsylvania}} were not referenced at all, for one reason or another; for example, the very idea of a "Brown comma" might more readily resonate with the concept of the {{w|Brown note}}.

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

:[A sentence is written in greyed-out text, with the commas in black and each labeled with an arrow.]
:Please''',''' buy''',''' apples''',''' mac''',''' and''',''' cheese''',''' milk''',''' and''',''' bread''','''.

:[The labels are as follows, in order from left to right:]
:Harvard comma
:Yale comma
:Stanford comma
:Columbia comma
:Cambridge comma
:Cornell comma
:Oxford comma
:Princeton comma
:MIT comma

:[Caption below the panel:]
:The Oxford one is the most famous, but many major universities have their own comma.

==Trivia==
[[Randall]] appears to be a fairly regular user of the Serial/Oxford Comma himself, with the most recent example being in the title text of [[2985: Craters]]. This is clearly out of habit or preference, as it is not required for clarification purposes. Yet it seems he also appreciates the conflicting viewpoints inherent to such a style opinion. He later completely avoided the use of list-commas in a (three-part) list within the comic text of the successive [[2986: Every Scientific Field]], possibly for rhetorical reasons.

This very wiki currently reminds anyone editing a page that their contributions "may be edited, altered, or removed", which is also not a syntactical necessity beyond adherence to the Oxford styling. Later, in the same paragraph of text, it also uses structure of "…, or … or …", but for different grammatical reasons that are unrelated to serial/list commas.

{{comic discussion}}

[[Category:Comics with lowercase text]]
[[Category:Language]]

2995: University Commas

2024-10-09T08:08:59Z

172.70.85.103: /* Explanation */

2831: xkcd Phone Flip

2024-09-23T20:33:04Z

172.70.85.103: /* Explanation */ punc

{{comic
| number = 2831
| date = September 20, 2023
| title = xkcd Phone Flip
| image = xkcd_phone_flip_2x.png
| imagesize = 740x458px
| noexpand = true
| titletext = Theranos partnership: Sorry, we know, but we signed the contract back before all the stuff and the lawyers say we can't back out, so just try to keep your finger away from the bottom of the phone.
}}

==Explanation==
This is the 9th in the ongoing [[:Category:xkcd Phones|xkcd Phone]] series in which Randall explains his new joke phone designs with many strange and useless features. It is a reference to the somewhat recent {{w|Galaxy Z}} series, but instead of folding in half, it folds into the more complex and much less usable shape of a typical {{w|paper fortune teller}}. (A traditional paper fortune teller requires a square-shaped piece of material; to make this phone with a ~2:1 ratio rectangular shape into a fortune teller, it would first need to be folded in half lengthwise.)

The product's slogan suggests that this was not an intended feature, which would be incredibly difficult to create accidentally without causing the phone to become nonfunctional. It's therefore possible that this phone was designed by [[:Category:Beret Guy's Business|Beret Guy's company]], which has in the past [[1493: Meeting|trademarked seemingly normal phrases]] and [[1293: Job Interview|done impossible things with electronics]].

The name Phone Flip is a play on the term {{w|Flip Phone}}, which has referred to older cellphones with a {{w|Clamshell design|basic hinged construction}}, but {{w|Samsung}}, in particular, has released a line of {{w|smartphones}} under the Galaxy Z range given the name 'Flip' (or 'Fold') which use a flexible display across the hinge, with {{w|Motorola Razr|other manufacturers}} producing similar technology by other names. Randall's version takes this complexity up a notch with a currently impractical varifolded origami design.

===Left column features===

; Exfoliating screen
: A term commonly found on lotions and facial products, "exfoliating" means removing dead skin cells from the surface of the skin, in order to improve its appearance. This could mean that it will exfoliate the user's skin when pressed to it. However, this would probably require a mildly abrasive and/or adhesive screen texture or coating, which are usually not desirable qualities of a touchscreen. A different reading is that the screen itself exfoliates, i.e. slowly disintegrates. Unless the phone is an organism able to regrow exfoliated surfaces, this will eventually lead to the screen's disappearance, not an improvement of its appearance.

; Orthotic shape for arch support
: {{w|Orthotics}} are devices used to reduce stress on the body. "Arch support" is a specific term referring to padded inserts designed to fit to the contour of a person's foot and provide support for the arch of the foot, a raised area between the ball in front and the heel in back. Fitting this space requires either a curved shape or one that's thicker in the center, which would usually make a phone less straightforward ([[No Pun Intended|pun not intended]]) to use. (This assumes, of course, that the foot is shaped like a "normal" human foot.) Additionally, the materials used in a phone are not typically suitable for orthotic usage and doing so could worsen any issues and damage the phone from the stress of the person's weight upon it. However, it's possible that in this context, the phone is ergonomically shaped to fit the way that the typical hand arches around it. In the context of a smartphone, "Arch support" may also mean support for installing {{w|Arch Linux}}.

; Single big pixel
: A joke about how phones advertise how many pixels they have, not how few. Typical phone displays use many small {{w|pixels}}, each with relatively few display states. For instance, each pixel can show a uniform color. It would be difficult to make a useful display with a single pixel of this sort. Some displays use smaller numbers of more complicated picture elements (e.g., each element could show a letter, like a {{w|split-flap display}}, or a {{w|nixie tube}}). To make a useful display with one pixel means that element needs a different display state for every image the phone can show (like a {{w|carousel slide projector}}, {{w|movie projector}}, or {{w|gobo (lighting)|gobo}}). This may also be a joke on "{{w|Megapixel}}".

; Ready to eat
: A typical sales pitch for {{w|convenience foods}} denoting that no time must be spent preparing the product for safe consumption, in contrast to other such meals where ingredients would need to be combined and/or cooked in some fashion. It is unknown how a phone could be produced in such a way as to be edible (perhaps the display could use {{w|sugar glass}}), but in any case, it seems likely that eating it would limit its future usefulness as a phone.{{Citation needed}} An alternative interpretation is that the phone is alive and all ready to begin consuming its prey, whatever that may be.

; Hypoimmunogenic
: Meaning less able to produce an immune response - so perhaps useful in that people do not want their phone to cause an immune response in their body, although cell phones typically cause no immune response. This is probably related to items that are marketed as hypoallergenic, less likely to cause an allergic reaction. It may also be a reference to persistent unsubstantiated claims that radio waves from mobile phones cause cancer and other disorders.

; Up to 50% more
: A play on the words "Up to 50% more <product>". Although considering that there is no mention of what product there could possibly be 50% more of (or 0% extra, as that is ''also'' less than or equal to 50%), this statement is useless. See [[870: Advertising]].

; Full-spectrum backlight optimized for plant growth
: {{w|Full-spectrum light}}s and backlights are typically used to increase {{w|color rendering}} accuracy, especially important in photography, art, and printing. It typically refers to the part of the spectrum people can see. Plants respond to some wavelengths outside our visual spectrum (e.g., UVA), and are less influenced by some portions of the visual spectrum (e.g. green, hence mostly reflecting such light). A backlight optimized for plant growth would not provide a very natural appearance to our eyes and typically appear pink. The screen backlight is unlikely to be used for growing plants. One scenario in which this would be an advantage is at the end of the phone's useful life; instead of being recycled, it could be repurposed as a light in a greenhouse.

; Long-lasting main sequence battery
: Perhaps referring to a "{{w|main sequence}}" star (Dwarf stars, like the {{w|Sun}}, where main energy generation is hydrogen fusion). Such stars spend a long time in this phase of evolution. This might also explain SPF 15 and full-spectrum backlight. Stars do last a long time compared to most cell phone batteries.{{Citation needed}} This feature might be a reference to [[1422: My Phone is Dying]].

; Break glass to access apps
: A play on how emergency paraphernalia such as fire alarms and extinguishers are protected by glass casings in most places. The idea of this is to discourage removal of these items except in an emergency situation. It would not be helpful in the case of smartphone apps, which are frequently used. Presumably you would have to replace the glass each time you use an app, which is likely to prove tedious and expensive. Unusual things behind glass is also mentioned in [[1634: In Case of Emergency]]. Could also refer to the process of Jailbreaking a smartphone, such as an iPhone, to allow the install of 3rd party apps from an alternate app store.

===Right column features===

; Buy one get one
: A play on typical retail sales advertised as "Buy one get one ____", where one buys one item at full price and gets another of that item either for free or at a reduced price. Since no discount has been mentioned, it would imply either (1) that you can get two at full price or perhaps (2) simply that if you buy a phone, you receive the phone; this is expected upon almost all purchases and is {{w|Tautology (logic)|tautological}} in nature.

; Bending phone activates chemical flashlight
: This feature parallels a {{w|glow stick}}, which is also activated by bending the stick; this breaks an inner capsule causing chemicals to mix and produce light. However, doing this with a phone is likely to cause physical or chemical damage and additionally only works once, which is not very useful for a phone flashlight that one typically uses as a tool throughout the phone's lifetime. It might be fun at a rave though.

; SPF 15 coating protects your face from websites
: Sun protection factor (SPF) is a rating used to compare the protection provided by sun screens. Some people find some web sites excessively bright, colorful or garish, making them hard to read, or causing eye strain. This extends that to imply that some sites are so bright that they might cause {{w|sunburn}}. In reality, some sites, browsers, or plugins provide a {{w|night mode}}, for those who have problems with excess brightness. (See also full spectrum, and main sequence battery.)
: Alternatively, SPF in this context might be a novel term for, for example, ''site'' protection factor, or ''socials'' protection factor, and be a method for protecting you from viewing potentially harmful content encountered on the internet.

; Iatrogenic construction
: 'Iatrogenic' means 'physician caused', and usually refers to illnesses which are caused or worsened by medical malpractice. This may imply that the phone was made ''by'' doctors, which may align with the statement given in the title text.

; All-vinyl data storage for maximum fidelity
: This is a reference to the hipster maxim that vinyl records provide high fidelity music. And while {{w|vinyl data}} storage does exist, it's profoundly outdated and was never widely adopted. The relevant formats had several issues, including (relevantly) wear issues that lead to fidelity problems after repeated reads. It is also unlikely that vinyl storage could be engineered to provide sufficient storage density to meet the requirements of a modern smartphone.

; Locks in moisture
: Good for cosmetics perhaps, to combat 'dry skin' (which is really more to do with substances other than water), but generally bad for a cell phone, where ingress (let alone retention) of liquids tends not to help the electronics. Most modern phones cite their ability to lock ''out'' moisture.

; National Weather Service partnership - phone is afraid of thunder
: Probably a reference to the development of various public service systems which generate an alert to phone users to warn of likely dangerous events, such as storms, earthquakes, etc. In this case, though, rather than generate fear in the user, the phone itself becomes afraid. This may be further referencing the fact that, thanks to humanized personal assistant functions, some people have developed pseudo-human relationships with their devices, whereby they attribute emotions and other human characteristics to them. In reality, phones do not have emotions (yet), but even if they did, it's not clear how this would be a useful feature. How this fear manifests is also unexplained. It may turn off, or it may scream like the original xkcd phone did when in free fall. A number of the previous xkcd phones have had unexplained, inexplicable, or incomprehensible partnerships.

; One-click ''ruina montium''
: ''{{w|Ruina montium}}'' ('mountain destroyer') was a now-lost mining technique used by the ancient Romans, thought to involve a form of hydrostatic drilling. It is not clear how this could be applied by a smartphone, let alone as a one-click operation. This may be a reference to the mobile phone industry's reliance on often unsustainable mining practices to supply the precious metals, rare earths, and other minerals required to make their devices work.

; Free refills
: Good for restaurant drinks, not typical for cell phones. Realistic meanings include providing complementary...
# "top ups" of cell phone plan minutes or data
# refueling (e.g., {{w|fuel cell}} power)
# recharging or {{w|battery swapping}}
# replacing the glass each time you use an app.

===Title text===
The title text references the failed company {{w|Theranos}} that notably could not live up to its promise to diagnose many health issues from a single drop of blood, and was charged with fraud for claiming it could do so. Due to legal agreements, and subsequent design choices already built in, the bottom of the phone ''will'' still collect a drop of your blood (unless you're particularly careful).

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}
:[A rectangular phone with a touch screen. There is a small dark camera section at the top of the screen and a charging/connecting port may be shown on the lower casing edge. Lines on the left side of the phone lead from the general area of the image to feature descriptions down the leftmost edge of the frame.]
:Exfoliating screen
:Orthotic shape for arch support
:Single big pixel
:Ready to eat
:Hypoimmunogenic
:Up to 50% more
:Full-spectrum backlight optimized for plant growth
:Long-lasting main sequence battery
:Break glass to access apps

:[Two phones folded in the shape of a 'paper fortune teller' are depicted on the right, set one above the other with other general feature lines leading off from the nearest folded phone illustration towards further listed items down the right-hand side of the frame.]
:Buy one get one
:Bending phone activates chemical flashlight
:SPF 15 coating protects your face from websites
:Iatrogenic construction
:All-vinyl data storage for maximum fidelity
:Locks in moisture
:National Weather Service partnership: phone is afraid of thunder
:One-click ''ruina montium''
:Free refills

:[Text below the phone:]
:Introducing
:'''The xkcd Phone Flip'''
:''We actually didn't mean for it to do this''™

{{comic discussion}}
[[Category:xkcd Phones]]
[[Category:Comics sharing name|xkcd Phones]]

2985: Craters

2024-09-15T10:04:24Z

172.70.85.103: /* Explanation */

{{comic
| number = 2985
| date = September 13, 2024
| title = Craters
| image = craters_2x.png
| imagesize = 457x352px
| noexpand = true
| titletext = It's annoying that the Nastapoka Arc isn't a meteor impact crater, but I truly believe that--with enough time, effort, and determination--we could make it one.
}}

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

This comic uses a Venn diagram to classify large circles on the ground into meteor impact craters, "weird circles on the map", and both.

{| class=wikitable
! scope="col" | Venn diagram section
! scope="col" | "Crater"
! scope="col" | Explanation
|-
|rowspan="4"|Meteor Impact Craters || Northern {{w|Yucatan Peninsula}}|| This refers to the famous {{w|Chicxulub crater}}, where an asteroid ~10 km in diameter struck the Earth 65 million years ago and caused the extinction of non-avian dinosaurs.
|-
|{{w|Charlevoix impact structure|Charlevoix Region}}|| Astroblème de Charlevoix, or Charlevoix impact crater. A 400 million-year-old, 54 km-wide crater which lies partly in the waters of the {{w|St. Lawrence River}} and stretches halfway between {{w|Quebec City}} and the mouth of the {{w|Saguenay River}}.
|-
|{{w|Sudbury Basin}}||A large valley in Ontario, formed by an impact 1.849 billion years ago.
|-
|{{w|Chesapeake Bay Impact Crater|Chesapeake Bay}}||A crater buried beneath the mouth of Chesapeake Bay, where an impact occurred around 35.5 million years ago.
|-
|rowspan="4"|(Venn diagram intersection)||{{w|Manicouagan Reservoir|Lake Manicouagan}}||A large ring-shaped lake in Quebec, formed about 214 million years ago.
|-
|{{w|Lonar Lake}}||A circular lake in the Deccan Traps basalt of India, formed approximately 570,000 years ago.
|-
|{{w|Clearwater Lakes}}||A pair of lakes next to each other in Quebec, one formed 460-470 million years ago, the other formed closer to 286 million years ago.
|-
|{{w|Meteor Crater}}||A crater in Arizona about 1.2 km across where a meteor hit around 50,000 years ago.
|-
|rowspan="5"|Weird Circles on the Map||{{w|Nastapoka Arc}}|| A section of the shoreline of southeastern Hudson Bay that's almost a perfect circle.
|-
|{{w|Crater Lake (disambiguation)|Crater Lake}}||Most likely reference is the {{w|Crater Lake}} that's in Oregon, the deepest freshwater body in the United States, which formed in the {{w|caldera}} of {{w|Mount Mazama}} after it exploded around 7700 years ago.
|-
|{{w|Stonehenge}}||{{w|Stonehenge}} is a {{w|megalith}} on the {{w|Salisbury Plain}} in England which is famous not only for its historical significance and impressive scale but for {{w|Theories about Stonehenge|stories surrounding its creation and purpose}}.
|-
|The {{w|Great Blue Hole}}||A large, nearly-circular {{w|Blue hole|marine sinkhole}} off the coast of {{w|Belize}}.
|-
|{{w|Twelve-Mile Circle|Delaware's northern border}}||The {{w|Twelve-Mile Circle}} comprises several surveyed arcs that define the borders between {{w|Delaware}} and {{w|Pennsylvania}}, and between Delaware and bits of {{w|Maryland}} and {{w|New Jersey}}. These arcs and Stonehenge are the only manmade features in this comic.
|}

The title text refers to the {{w|Nastapoka Arc}}, a section of the Hudson Bay shoreline that is almost a perfect circle. This was most likely caused by continental plates crashing into each other rather than a meteor impact. However, Randall believes that it CAN be an actual meteor impact site with enough dedication: he wants to redirect an asteroid into Hudson Bay, which is a bad idea{{Citation needed}}. There is no efficient way to artificially direct asteroids towards Earth, let alone ones large enough to make the appropriate size hole. The {{w|Double Asteroid Redirection Test}} (DART) slightly changed the orbit of one asteroid around another by slamming a spacecraft into the asteroid; doing any more substantial redirection would require applying large {{w|Impulse (physics)|impulse}} to an asteroid, which has never been done. Moreover, the precision required would be a massive obstacle: a small variance in timing or angle would make the asteroid hit Earth in the wrong manner, at the very least creating an improperly matched hole (for size and shape), with the most likely outcome being to miss the original feature entirely. There is also the potential to slam into nearby populated areas, but some historic circular features are {{w|Nördlingen|themselves populated}} so would suffer directly in the case of a perfect impact. Attempting to do so would be costly{{Citation needed}} and potentially cause massive devastation.{{Citation needed}}

This idea of directing an asteroid to directly impact the Earth is on some level an inversion of disaster movies like ''Armageddon'', where an asteroid is landed on to destroy or deflect it. ''Armageddon'' has been discussed before on xkcd.

==See also==
{{w|List of impact structures on Earth}}

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

:[A Venn diagram with two circles.]
:[Label above left circle:]
:Meteor Impact Craters
:[Label above right circle:]
:Weird Circles on the Map
:[Left circle items (Meteor Impact Craters):]
:Northern Yucatan Peninsula
:Charlevoix Region
:Sudbury Basin
:Chesaspeake Bay
:[Right circle items (Weird Circles on the Map):]
:Nastapoka Arc
:Crater Lake
:Stonehenge
:The Great Blue Hole
:Delaware's Northern Border
:[Middle intersection items:]
:Lake Manicouagan
:Lonar Lake
:Clearwater Lakes
:Meteor Crater

{{comic discussion}}

[[Category:Venn diagrams]]
[[Category:Geology]]
[[Category:Geography]]

2971: Celestial Event

2024-08-14T09:57:34Z

172.70.85.103: /* Explanation */

{{comic
| number = 2971
| date = August 12, 2024
| title = Celestial Event
| image = celestial_event_2x.png
| imagesize = 471x300px
| noexpand = true
| titletext = If we can get a brood of 13-year cicadas going, we might have a chance at making this happen before the oceans evaporate under the expanding sun.
}}

==Explanation==
{{incomplete|Created by a CURSED SHOP THAT APPEARS EVERY FOUR POINT THREE BILLION YEARS - Please change this comment when editing this page. Do NOT delete this tag too soon.}}

This comic was posted shortly after some people reported seeing the aurora in conjunction with the perseids meteor shower.<ref>https://www.msn.com/en-us/weather/topstories/the-2024-perseid-meteor-shower-and-northern-lights-overlapped-in-a-rare-cosmic-display-see-photos-of-the-dazzling-event/ar-AA1oJKKC</ref>. It lists several events that are considered special to be witnessed due to their rarity. Total solar eclipses, auroras and comet sightings are all rare events. This year, all three of these events happened in parts of the United States, where the author lives.

Although it might be, conceivably, possible to witness all three at once in a given location (in this case, the author's neighborhood), the odds stack up to make that occurrence extremely improbable. To boot, those events can only be observed with a clear sky (a 50:50 chance), so that too has to be accounted for in the calculation.

"Total eclipse" presumably refers to total solar eclipses, as total lunar eclipses are visible from any side of the earth that the moon is visible. Randall's hometown of Cambridge, MA has in the modern era experienced total solar eclipses on average every 130 years, far more often than his estimate of every 350 years. The last total solar eclipse in Cambridge happened at sunrise on October 2, 1959, but it did not align with clear skies. The one before that was on June 16, 1806, though one on August 31, 1932 was visible from nearby Cape Ann and Cape Cod. The next total eclipse in Cambridge will be at sunrise on May 1, 2079, and the next after that will be on April 14, 2200.

17-year {{w|Periodical cicadas|cicadas}} are also special in the sense that a brood will only emerge from the ground once every 17 years. Periodical cicadas recently became the object of media furor in 2024 as a 13-year brood and a 17-year happened to emerge together, an event that only happens once every 13x17 = 221 years. This caused a lot of noise and double the amount of dead cicadas after they had mated. Needless to say, having a cicada emergence co-occur with all those previously mentioned events would be extra rare, and thus extra special.

How rare, exactly, is the point of this calculation. The resulting product is the expected frequency that all of them would occur at the same time at that location. The value he calculates is once every 4.3 billion years. This is in the same ballpark as the current age of the Earth, about 4.5 billion years.

There are multiple inaccuracies in this type of calculation, although, given the extravagant nature of the proposed event and the unfeasible time scale, that hardly matters. Multiplying probabilities only works for random variables that are entirely independent. If nothing else, orbits are (luckily[maybe]
) not random.{{cn}} It also requires that all of the probabilities remain constant over time. In reality, cicadas will not exist for very long compared to the time scale, since Earth will become uninhabitable to complex life within a billion years' time and all life will be extinct within {{w|Future of Earth|4 billion years}}. Also, the moon is moving away from Earth, and total solar eclipses will cease to occur in about [https://www.space.com/37627-total-solar-eclipse-earth-moon-alignment-future.html 600 million years]. Luckily, this is not the time that you are ''always'' going to wait, merely the (usual) period between one occurance and the next. A person starting to wait at a random point in the cycle, and no knowing anything else, would ''on average'' only have to wait ''half'' the time. (If very lucky, it could happen tomorrow, as it hypothetically might have done a bit over four billion years ago; if unlucky, it would indeed be slightly more than four billion years, having most recently happened yesterday; if ''very'' unlucky, the frequencies are slightly less defined, do not actually align as expected for the next conclusion of the cycle and additional billions of years need to be waited until the next example when it 'might' indeed occur as anticipated. Finally, if '''extremely''' unlucky, you will never get a clear sky. Ever.

In order for the math to work out, some unit conversion is necessary. To solve "20 days / 11 years", one can consider 1 year = 365.24 days (a reasonable approximation that accounts for most leap years). For "2 months / 50 years" and "2 months / 17 years", the simplest way is to convert 1 year into 12 months. Unit cancelation works out, and you end up with a number in years that corresponds to the average amount of time between events when all those different things are happening at once. (the implied unit for eclipses is events per year, and that's the unit you get as a result, so the actual length of the eclipse doesn't influence the result much).

In the title text, Randall mentioned swapping 17-year cicada broods for 13-year ones, to have some chance at witnessing the proposed super-event before life on Earth becomes impossible. Massachusetts is near the northern limit of {{w|Periodical_cicadas|Magicicada}} distribution, and only one 17-year brood is established there (and not in Cambridge, MA). However, the introduction of a different brood could, with some help from global warming, be feasible.

Earth's oceans may evaporate in about one billion years<ref>https://www.sciencedaily.com/releases/2013/12/131216142310.htm</ref>. In order to beat that, we need to better our odds. Using 13-year cicadas in our calculations reduces the average interval between events to 3.29 billion years. We can lower that further by hoping that we'll have clear skies by then (who knows, we might get good enough at manipulating weather that we can *make* it happen). That gives us an average interval between events of about 1.6 billion years. Which means a larger than 50% chance that we'll get our special super-event to happen within a billion years, therefore beating ocean evaporation. Of course, cicadas may not last that long.[baseless conjecture] [trust the cicadas]

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}
:Approximate frequency in my area

:Active northern lights: 20 days per solar cycle

:A naked-eye "Great Comet": 2 months every 50 years

:Total eclipse: once every 350 years

:Clear skies: 50% of the time

:17-year cicada emergence: 2 months every 17 years

opening bracket

20 days over 11 years multiplied by

2 months over 50 years multiplied by

1 over 350 years multiplied by

one half multiplied by

2 months over 17 years

closing bracket to the power of -1

equals 4.3 billion years

:[Caption below the panel:]
:Every 4 billion years or so, my neighborhood gets to see a ''really'' spectacular show.

{{comic discussion}}

[[Category:Astronomy]]
[[Category:Solar eclipses]]
[[Category:Time]]
[[Category:Animals]]

User talk:Asdf

2024-07-30T23:44:13Z

172.70.85.103: /* "What the hell is that page?" */ new section

==Welcome==
I know you are not a newbie and so I would like to see your opinions at this talk page: [[explain xkcd talk:Editor FAQ]]. The main issues right now are ''tables'' and ''headings''. While avoiding tables seems to be consensus the headers are a more difficult issue. I try to keep this as simple as possible while a good layout is the final goal. Not easy. Any thoughts? --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 18:07, 25 August 2018 (UTC)

Thank you for the image. [[User:Netherin5|Netherin5]] ([[User talk:Netherin5|talk]]) 16:06, 19 March 2019 (UTC)

== "Another one" ==

You got there ''just'' before I did. My intended revert colllided with yours. At least that one helpfully left who they are... *ponders what I can do to them... hmmm...* Anyway, thought I might comment, as you actually have a page sitting here ready for something to be said... Keep up the good work! ;) [[Special:Contributions/162.158.159.121|162.158.159.121]] 14:00, 3 July 2022 (UTC)

== Eric's spam. ==

You know, I'd be absolutely astonished (and very concerned) if I randomly visited any website and I ended up answering a call from those who run it. Not withstanding that it's something we'd never want here (or to advertise on here, despite the best efforts of 'Eric') I can't believe it even works. And if it does work, it shouldn't! But as 'Eric' isn't going to be receptive to my thoughts on this, I thought I'd let you know, as a fellow reverter of his stuff, who would at least know what I'm talking about... ;) [[Special:Contributions/162.158.34.71|162.158.34.71]] 18:38, 10 July 2022 (UTC)

== <s>[[File talk:history of unicode zoom.png]]</s> ==

<s>{{File talk:history of unicode zoom.png}}</s>

== CREEP ==

Just wanted to follow up on your https://www.explainxkcd.com/wiki/index.php/2870:_Love_Songs (first!) edits. Thanks for the amazing work you do, you might not know what the hell you're doing here but I really enjoy reading your explanations and you definitely belong here! [[User:Sjcjoosten|Sjcjoosten]] ([[User talk:Sjcjoosten|talk]]) 02:10, 21 December 2023 (UTC)

== 'Latest comic' trouble. ==

You might be interested to know that the "Go to latest comic" mechanism still worked (sidebar, and "|>" button worked on all comics priot to 2871). The fault appears not to be with 2872 (or incorrect "2871: Page Name"), but in the refreshing/caching mechanism for the established 2871: Page Name page.

However, as I was investigating it for myself, it actually started working as it should. I was forcing refreshing, which might actually have nudged the on-site-cache, but I'm really not sure if I had anything to do with it. But you don't need to worry about it any more. At least from my perspective. There might be browser-side refreshing required for some, still. [[Special:Contributions/172.69.79.189|172.69.79.189]] 21:38, 25 December 2023 (UTC)

== Trolls ==

Hey Asdf, thanks for reverting the giant Soviet flag on my talk page! '''FUCK TROLLS''' [[User:42.book.addict|42.book.addict]] ([[User talk:42.book.addict|talk]]) 20:27, 1 March 2024 (UTC)
:BTW, is this normal on ExplainXKCD?

== Thank you ==
Thank you for fixing my incorrect fix of https://www.explainxkcd.com/wiki/index.php/File:physical_quantities_2x.png. Much appreciated. [[User:Jkshapiro|Jkshapiro]] ([[User talk:Jkshapiro|talk]]) 00:26, 10 May 2024 (UTC)

== "What the hell is that page?" ==

Someone (probably of the same someone(s) who has a like for Conlangs, and at least at one point had avwiki of their own to mess about with) decided that the best way to protect certain oft-vandalised pages was to create User pages duplicating them and sort of have a login that would "shadow" the real page and (possibly?) restore the damaged one if ever they needed to. Despite regular user interventions (and the likes of theusafBOT) already handling such issues at least as quickly as having a 'designated protector'. – I'm still not entirely sure how serious those involved were. Always troubled me.

Now, we hadn't had much 'overt' Conlanging content done much recently (the usernames involved were almost, if not entirely, absent). And various other editing patterns were quieter than they have been. And, suddenly, we're getting Conlang-type accounts making edits (some 'useful', but some being reactive to revert minor anonymous vandalisms ''suspiciously'' quickly and direct, and a handful of other 'meh' edits that might even require further attention to make them work.

My theory is that there is a small group of... commonly purposed collaborators, I'm going to charitably say... who have suddenly remembered that this place is where they once came to poke around and store lists, store linguistic snippets and... well, probably more purposes than I've worked out (and I've got a number of theories, beyond that). But all more self-indulgent/performative than otherwise might be contributors like thee and me.

Barring the worst/most careless changes, I'm resigned to some of the tweaks (especially those that clearly sought out truly needed edits, like derepeating accidentally releated words) being left as they end up. Which perhaps irks me, when they make no net improvement, as at least when it goes wrong it can be reverted or differently improved. But it's probably subjective. Even if I would oxcasionally add a Page To Be Deleted marker, occasiinally, I'm under no illusion that this would be acted upon as nevcessary. [[Special:Contributions/172.70.85.103|172.70.85.103]] 23:44, 30 July 2024 (UTC)

2964: Olympic Sports

2024-07-29T09:26:03Z

172.70.85.103: /* Explanation */

{{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 struggle to row effectively, falling out of cadence and fouling the oars of the other rowers in their boat. However, if Randall competed in the single sculls, such coordination would not be an issue, and he would likely just be much slower than the other competitors. ||
|-
| {{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 lengths as fast as possible.|| They might struggle to stay afloat (particularly in open water swimming, where they would be buffeted by other contestants) or [https://en.wikipedia.org/wiki/Eric_Moussambani swim awkwardly]. They are also likely to have a markedly different physique to the other competitors, which would have a comic effect. ||
|-
| {{w|Long jump}} - Contestants, with a running start, attempt to jump as far as possible.|| They would likely make a very short jump, or perhaps foul every 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. If they did manage to get some lift, but failed to get enough to reach the mat, it would probably be concerning, rather than funny. ||
|-
| {{w|Diving}} - Contestants attempt to fulfil multiple criteria while diving into water.|| Awkward or painful-looking dives could ensue. Potential for injury would be high. ||
|-
| {{w|Hurdles}} - Contestants run on a track with hurdles positioned at various places.|| They might trip and fall over the hurdles, or just knock them all over as they fail to clear them. || 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}} [The only Winter Olympic discipline featured in the comic]|| They might slip and fall continually on the ice. This might have particular comic potential if Randall were skating as part of a pair, awkwardly attempting to lift and spin a partner, or perhaps doing nothing but being lifted and dragged around by them. ||
|-
| {{w|Horizontal bar}} - A horizontal bar is used to perform gymnastics.|| They might fail to perform any flips or fall off the bar. In all likelihood, having been lifted to the bar, they would simply hang helplessly beneath it, managing minimal swings backwards and forwards. ||
|-
| {{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. However, he seems to be unaware of this, excitedly demanding that people look at what he presumably thinks is an impressive feat of athleticism.
|}

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:2962: President Venn Diagram

2024-07-25T15:15:06Z

172.70.85.103:

<noinclude>{{notice|This site is intended to explain the technical details and inspirations (perhaps humorous) behind the comics. This particular page is for Discussion/Talk about the particular comic in question, which ''will'' involve some personal overviews and meta-discussion. But it is not the ideal place to reproduce the wi(l)der issue of public opinion, which the actual political process will eventually establish, and many other public forums and outlets exist in which you can convey your own current leanings/observations on the whole election-related happenings. Please be <s>sensible</s> ''typically geeky in your wit'', and try to keep all the ideological heat and partisan arguments out of this as much as possible.|image=warning!!.png|}}</noinclude>

Another really timely comic. Biden just dropped out of the race and endorsed Harris yesterday. [[User:Barmar|Barmar]] ([[User talk:Barmar|talk]]) 01:58, 23 July 2024 (UTC)

Forget Biden, Hillary and Obama. This is the endorsement that counts. [[Special:Contributions/172.68.23.199|172.68.23.199]] 01:58, 23 July 2024 (UTC)

I suppose no one is allowed to say that the upper right circle is mislabeled. It was supposed to say incompetent, dishonest and despicable. [[Special:Contributions/162.158.90.25|162.158.90.25]] 02:07, 23 July 2024 (UTC)
:You're allowed to say it, but then we're allowed to suggest (with rather more emperical proof) that her presumptive opponent better fits your rewording. How about we all just don't try to re-run the old arguments (or pre-run the upcoming election) in that sort of tone, eh?
:(To be clear, Randall has made positive comments to his favoured candidate, rather than stooping to arbitrarily attacking their opponent. If you can't at least be as positive in your own convictions then it's really not going to help your cause.) [[Special:Contributions/172.69.195.6|172.69.195.6]] 04:10, 23 July 2024 (UTC)
::First, Harris has more than one opponent, not just within her own party, but in the general election to follow if she’s nominated. Second, the many good qualities of my favo[u]red candidate are irrelevant to this comic, so I didn’t mention ''her''. Third, I didn’t start this political discussion; Randall did, by making a refutable claim in his comic. Lastly, there’s nothing arbitrary about a resident of California pointing out [https://truthout.org/articles/kamala-harris-has-a-distinguished-career-of-serving-injustice/ facts about the former attorney general of California] that people in other states, such as Massachusetts, might be completely ignorant of. [[Special:Contributions/162.158.186.253|162.158.186.253]] 05:45, 23 July 2024 (UTC)
:::Ugh, those abuses from the supposed party of police accountability. Politics in this country are so performative. [[Special:Contributions/108.162.216.75|108.162.216.75]] 13:58, 25 July 2024 (UTC)
: You could say it, but then the box which says 'Kamala Harris' is mislabeled and 'Donald Trump' should be placed in the box above the middle one. [[User:Jaap-Jan|Jaap-Jan]] ([[User talk:Jaap-Jan|talk]]) 07:19, 23 July 2024 (UTC)
::Also by saying the first circle is mislabeled you also say Randall is all those things. And if you feel that way, then remember you are free to NOT read his comics... I'm always on Randall's side in politics it seems, but I'm from another country, so I wont vote for any presidential candidates even if Randall was on the ballot ;-) I won't say more here now... --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 13:22, 24 July 2024 (UTC)
:::Note the difference between “upper right” and “upper left.” [[Special:Contributions/172.70.207.198|172.70.207.198]] 21:11, 24 July 2024 (UTC)

Well Kamala, you had a good run. Randall has the touch of death when it comes to picking political candidates. [[Special:Contributions/162.158.154.39|162.158.154.39]] 03:02, 23 July 2024 (UTC)
:You mean that no candidate endorsed by XKCD has ever won? ;) https://xkcd.com/2383/ [[User:Fabian42|Fabian42]] ([[User talk:Fabian42|talk]]) 04:35, 23 July 2024 (UTC)
:Randall was smart enough to not make a comic endorsing Joe *before* he got elected like he did with Hilldawg and (now) Kamala.[[Special:Contributions/162.158.154.31|162.158.154.31]] 11:36, 23 July 2024 (UTC)
: Not so; Randall endorsed [https://blog.xkcd.com/2008/01/28/obama/ Obama in 2008]. [[User:-insert valid name here-|-insert valid name here-]] ([[User talk:-insert valid name here-|talk]]) 15:09, 23 July 2024 (UTC)
:Maybe Randall secretly wants Kamala to lose and is doing 5D chess. [[Special:Contributions/172.69.130.122|172.69.130.122]] 16:04, 24 July 2024 (UTC)

Randall angling for VP? [[User:Alcatraz ii|Alcatraz ii]] ([[User talk:Alcatraz ii|talk]]) 02:59, 23 July 2024 (UTC)

I think Randall would be good president. -- [[User:Hkmaly|Hkmaly]] ([[User talk:Hkmaly|talk]]) 03:52, 23 July 2024 (UTC)
:Meh, he seems to at least not be good at public speaking. And from what he says about himself, he would be distracted way too easily. [[User:Fabian42|Fabian42]] ([[User talk:Fabian42|talk]]) 04:35, 23 July 2024 (UTC)
:I, as an Epsilon Eridani native, think he would be a spectacular president, but his research priorities would swiftly result in [https://www.space.com/universe-end-false-vacuum-decay false vacuum decay], so please, for the sake of the universe, please do not elect him. [[Special:Contributions/172.70.214.218|172.70.214.218]] 20:55, 24 July 2024 (UTC)

The layout of this Venn diagram reminds me of https://xkcd.com/112/ {{unsigned ip|162.158.166.234|03:04, 23 July 2024}}

I think I would probably swap the two. [[Special:Contributions/162.158.174.23|162.158.174.23]] 04:03, 23 July 2024 (UTC)

I would be very interested in which non-Politicians Randall would put into the top middle section. [[User:Fabian42|Fabian42]] ([[User talk:Fabian42|talk]]) 04:35, 23 July 2024 (UTC)
:People eligible to be president who would make a good president but aren't politicians? I would be much more interested in who he would list in the right middle section, that is, people who would make good presidents and love Venn diagrams, but are ineligible. --[[Special:Contributions/172.69.6.133|172.69.6.133]] 03:42, 24 July 2024 (UTC)

I guess Munroe has no issues with questions about ongoing U.S. backed genocides shrugged off with "shrimp and grits!"? {{unsigned|Markifi|05:39, 23 July 2024}}

What really strikes me is that the USA have a (de facto) 2-Party system and still go so much into personal attacks and endorsements, etc. which in my mind could be the decision-making bit between 2 similiar parties in a multi-party system, or 2 equally sympathic parties to me. But in my mind a 2-party system should at least have the upside of actually discussing policy, and voters deciding based on that... --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 06:30, 23 July 2024 (UTC)

If Randall was in charge he could stop supplying weapons to Israel probably [[Special:Contributions/172.69.195.63|172.69.195.63]] 10:16, 23 July 2024 (UTC)

:Randall sempai- we are targeted too. {{unsigned ip|172.70.131.52|15:37, 23 July 2024}}

Re: the mouseover text: "[[1062:_Budget_News|I am more of a deficit sugar glider]]" ought to be in the running. [[Special:Contributions/172.69.58.157|172.69.58.157]] 12:42, 23 July 2024 (UTC)

personally I'd put most candidates either the top left [[Special:Contributions/172.69.58.24|172.69.58.24]] 17:34, 23 July 2024 (UTC)

Neat. A Euler diagram (and no, Venn cannot just have this one). {{unsigned ip|172.71.158.226|18:18, 23 July 2024}}
:Quite! Venn called his diagrams "{{w|Euler diagram|Euler circles}}." [[Special:Contributions/172.71.151.137|172.71.151.137]] 22:09, 24 July 2024 (UTC)

I think the 'eligible' topic is related to a campaign against Harris saying she isn't eligible because she's not american enough. This (fake) news was reposted in France by french Trump's fans. {{unsigned ip|172.69.225.223|20:36, 23 July 2024}}

_sigh_ I was about to come in here and suggest that we don't do the obvious political battle here but then I realized I'd be up all night because someone was WRONG on the internet [[386: Duty Calls]]! [[User:Tomb|Tomb]] ([[User talk:Tomb|talk]]) 21:21, 23 July 2024 (UTC)

I, too, have rather strong political opinions that absolutely nobody here cares about. But I also wanted to extend a heartfelt thank-you to the person who put the cautionary banner to not make the main article into a debate platform. I hope its presence becomes a staple of articles on all forthcoming controversial comics, as we commence our quadrennial plunge into the bubbling muck of American election season. -MeZimm [[Special:Contributions/172.68.34.59|172.68.34.59]] 21:41, 23 July 2024 (UTC)

Would it be a good idea to include a link to the actual United States Constitution in regard to the Presidential eligibility section? In other words, I'm wondering if it would be preferable to link directly to a primary source of information as opposed to a tertiary source like Wikipedia? Either way, I have a [https://constitution.congress.gov/constitution/article-2/#article-2-section-1-clause-5 link to the document on the Congress.gov website] for those who may want to have a read. [[User:OmniDoom|OmniDoom]] ([[User talk:OmniDoom|talk]]) 00:13, 24 July 2024 (UTC)

Does anyone have a longer version of https://www.youtube.com/watch?v=eWR2uTfrh-k&ab_channel=GOPWarRoom ? I want to see the diagram props! [[Special:Contributions/172.71.147.19|172.71.147.19]] 21:08, 24 July 2024 (UTC)
:"So many memes" https://www.youtube.com/watch?app=desktop&v=XOjRsJiBTF0&ab_channel=FoxNews [[Special:Contributions/172.70.214.129|172.70.214.129]] 22:00, 24 July 2024 (UTC)
:I see you are a netizen of exquisite taste. Might I suggest https://www.c-span.org/search/basic/?query=kamala+venn [[Special:Contributions/108.162.245.29|108.162.245.29]] 22:43, 24 July 2024 (UTC)
::Oh my God, infinite anonymous clipping! https://www.c-span.org/video/?c5125621/user-clip-venn-diagram [[Special:Contributions/172.71.150.3|172.71.150.3]] 23:03, 24 July 2024 (UTC)
:::[https://www.c-span.org/video/?c5125622/user-clip-circle-venn-diagram A fourth Eulerian circle emerges!] [[Special:Contributions/162.158.186.5|162.158.186.5]] 23:23, 24 July 2024 (UTC)

It has been decided. As per the [https://x.com/yashar/status/1815476912355205212 edict of the National Republican Senatorial Committee,] the problems with Kamala Harris are: (1) Her laugh is weird. And, (2) she loves Venn diagrams. Let the games begin! We shall [https://www.youtube.com/watch?v=xI_lxFv203I&ab_channel=SaturdayNightLive focus on the two issues Americans do care about: swine flue and fracking.] [[Special:Contributions/172.68.23.200|172.68.23.200]] 22:18, 24 July 2024 (UTC)

This is a really sad comic. Harris is a top cop and a corrupt one. America deserves better than either party is offering, and the supposed party of police accountability should not be running Harris. It's sad that Randall is telling himself otherwise. [[Special:Contributions/172.70.178.91|172.70.178.91]] 13:22, 25 July 2024 (UTC)
:I was not aware that Harris was ever in the police, herself, and cannot find any reference to it in a quick search. I know she advocated police bodycams, which only corrupt cops need to properly fear/avoid using, though obviously one can always be corrupt "in your spare time", or if you're not a uniformed officer/just sat at a desk. Anyway, you have an opinion, and feel free to make your own webcomic if you have better names, wish to add other names and/or want to change the basis upon which Harris's name is judged. It might well be that (of all likely candidates, as well as the unlikely one that is "me") Randall honestly sees Kamala as (one of) the better individual(s) for the role. If everyone agreed, there'd be no need to ask everybody and try to distil the resulting popularity contest into a close-fought result that maybe half the country won't like (but who ''would'' like a result that the other half(ish) of the country wouldn't like), give or take various statistical anomalies. [[Special:Contributions/172.70.85.103|172.70.85.103]] 15:15, 25 July 2024 (UTC)

2957: A Crossword Puzzle

2024-07-11T15:47:50Z

172.70.85.103: /* Table */

{{comic
| number = 2957
| date = July 10, 2024
| title = A Crossword Puzzle
| image = a_crossword_puzzle_2x.png
| imagesize = 740x937px
| noexpand = true
| titletext = Hint: If you ever encounter this puzzle in a crossword app, just [term for someone with a competitive and high-achieving personality].
}}

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

{{notice|<big>'''SPOILER ALERT!'''</big> If you read on without trying to look at the crossword clues first, the joke is spoiled and your chance of finding out the joke yourself is gone instantly!|image=warning!!.png}}

This is a crossword puzzle. On a surface level, the answers seem extremely difficult, with questions covering a wide variety of trivia, linguistics, mathematics in various forms, alongside wordplay typical of crossword puzzles. But the joke is that every single letter of every single answer is "A". See explanation for all 51 clues in the [[#Table|table]] below.

The name of this comic, “A Crossword Puzzle”, is a double entendre; the “A” can be interpreted both as the indefinite article “a”, and as an identifier saying that this crossword puzzle is specifically an “A” puzzle, due to the answer being all “a”s.

The title text is a play on a "type A" personality. The term for someone with a competitive and high-achieving personality is "Type A". In the context of the title text, this answer is a hint that the entire puzzle can be completed in a crossword-solving app by typing the letter A repeatedly.

[[Randall]] pays tribute to a similar comic in the header text of this comic. See the [[#Trivia|trivia]] section below. In that trivia section there is also a picture of the solved puzzle.

==Explanation of clues==
{| class="wikitable" style="margin:auto"
|-
! Location !! Clue !! Explanation !! Squares
|-
| 1-Across || Famous Pvt. Wilhelm quote || Reference to the {{w|Wilhelm scream}}. || 10
|-
| 11-Across || {{w|IPv6}} address record || An IPv4 record is an "A" record; an IPv6 record is four times the length and is designated an "AAAA" record. || 4
|-
| 15-Across || “CIPHERTEXT” decrypted with Vigenère key “CIPHERTEXT” || A "{{w|Vigenère Cipher}}" translates the original text by the distance from A from the key, letter by letter. For instance, if the plaintext is "XK" and the key is "CD", the C shifts X 2 forward to become Z, and the D shifts K 3 forward to become N, yielding a ciphertext of "ZN". Since the ciphertext and the key are the same in this case, decryption just shifts all the letters back to A, akin to subtracting a number from itself and getting 0. || 10
|-
| 16-Across || 8mm diameter battery || An {{w|AAAA battery}} is a 1.5V battery that measures 8.3 mm in diameter, 2.2 mm smaller than the more common AAA battery. || 4
|-
| 17-Across || “Warthog” attack aircraft || The {{w|A-10 Warthog}} is an attack aircraft. Here, A-10 has been turned into AAAAAAAAAA (ten As). || 10
|-
| 18-Across || '''E'''ve'''r'''y t'''h'''ir'''d''' le'''t'''te'''r''' in the word for “inability to visualize” || {{w|Aphantasia}} is the inability to experience mental images. Following the example of the pattern in the clue, taking the first letter and every third one after (rather than just every third letter) we determine that '''A'''ph'''a'''nt'''a'''si'''a''' gives us the word "aaaa". This clue is particularly mean because of how it instructs you to visualize the letters highlighted within the word in order to get the answer. || 4
|-
| 19-Across || An {{w|acrostic}} hidden on the first page of the dictionary || The first page of the dictionary (if you ignore the copyright page and the index) is the list of words starting with A. An acrostic of this page, taking the first letter of each line and arranging them in order, would just be a sequence of As. || 10
|-
| 21-Across || Default paper size in Europe || {{w|A4 paper}} (here written as AAAA) is the default size in Europe. At 210x297 mm, it is approximately 0.24" narrower and 0.71" longer than the 8.5"x11" paper used in the United States, and due to having an aspect ratio of 1:sqrt(2), can be cut in half to create two half-sized sheets with exactly the same aspect ratio. || 4
|-
| 22-Across || First four unary strings || A unary number system represents numbers using just one symbol. E.g. 32 in unary would be 11111111111111111111111111111111. The first four strings in unary, if you used A as the first (and only) symbol, would be A, AA, AAA, AAAA. || 10
|-
| 23-Across || Lysine codon || {{w|Lysine}} is an amino acid, with codons AAA and AAG. || 3
|-
| 24-Across || 40 CFR Part 63 subpart concerning asphalt pollution || [https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-63?toc=1 "40 CFR Part 63"] refers to federal air pollutant regulations in the Code of Federal Regulations. The subpart for "asphalt processing and asphalt roofing manufacturing" is AAAAAAA. || 7
|-
| 25-Across || Top bond credit rating || The highest {{w|credit rating}} for bonds is AAA. || 3
|-
| 26-Across || Audi coupe || First of three Audi references. {{w|List_of_Audi_vehicles|Audi's car models}} range from A1 (subcompact hatchback) to A8 (full-size luxury sedan); the A5 is a compact executive coupé. || 5
|-
| 27-Across || A pair of small remote batteries, when inserted || Two {{w|AAA_battery|AAA}} batteries, which are often used to power remote controls for domestic devices. These have been combined to give AAAAAA — "Inserted" is often a cryptic hint that one word should surround another, although such a cryptic clue would normally also contain a more direct clue (albeit ambiguously) to the full answer. || 6
|-
| 29-Across || Unofficial Howard Dean slogan || A reference to Howard Dean, an American Democrat who ran for the party's nomination in 2004. He famously [https://www.youtube.com/watch?v=l6i-gYRAwM0 yelled at a rally] in a way that was thought to be bizarre and which, it is thought, doomed his campaign. || 7
|-
| 32-Across || A 4.0 report card || A 4.0 GPA, at least {{w|Academic_grading_in_the_United_States|in the USA}}, is all As. This clue assumes seven classes. || 7
|-
| 33-Across || The “Harlem Globetrotters of baseball” (vowels only) || The {{w|Savannah Bananas}}, the vowels for whom are aaaaaa. || 6
|-
| 34-Across || 2018 Kiefer song || [https://genius.com/Kiefer-aaaaa-lyrics AAAAA]. || 5
|-
| 35-Across || Top Minor League tier || The top {{w|Minor League Baseball}} tier is AAA. || 3
|-
| 36-Across || Reply elicited by a dentist || Dentists ask patients to "say aaaaaaa", i.e. "open up". This could also be an expression of pain; particularly the only kind you can make with dental tools in your mouth. (As Autechre put it: [https://youtu.be/UppsLKz1iD4 "Now, I don't want you to panic... just lean back and relax."]) || 7
|-
| 38-Across || Anaa’s airport || {{w|Anaa}} is an atoll in the {{w|Tuamotu archipelago}} of {{w|French Polynesia}}. AAA is the {{w|IATA}} code for the airport there. || 3
|-
| 41-Across || Macaulay Culkin’s review of aftershave || In the movie {{w|Home Alone}}, Kevin (played by Macaulay Culkin) puts on his father's aftershave lotion. The six-year-old boy is not used to the lotion's antiseptic and screams as the stinging sensation kicks in. || 10
|-
| 43-Across || Marketing agency trade grp. || The {{w|American Association of Advertising Agencies}}, also called the 4As (here AAAA). || 4
|-
| 44-Across || Soaring climax of Linda Eder’s ''Man of La Mancha'' || Refers to [https://youtu.be/BWP7l0OTXJI?t=130 the 20 second long wordless passage in Eder's opus], or possibly the final high note in the song The Impossible Dream. || 10
|-
| 46-Across || Military flight community org. || The {{w|Army Aviation Association of America}}, or AAAA. || 4
|-
| 47-Across || Iconic line from ''Tarzan'' || Tarzan has a famous {{w|Tarzan yell|war cry}} he shouts, usually when swinging from a vine. || 10
|-
| 48-Across || '''E'''v'''e'''r'''y''' o'''t'''h'''e'''r letter of Jimmy Wales’s birth state || The birth state of {{w|Jimmy Wales}}, the co-founder of Wikipedia, is Alabama. Taking every other letter of '''A'''l'''a'''b'''a'''m'''a''' gives "Aaaa". || 4
|-
| 49-Across || Warthog’s postscript after “They call me ''mister'' pig!” || Pumba in {{w|The Lion King}} yells "aaaaaaaaaa" while charging at the hyenas who insulted him. || 10
|-
| 50-Across || Message to Elsa in ''Frozen 2'' || The call which Elsa hears in {{w|Frozen 2}} is a sequence of four notes which resemble the requiem music {{w|Dies Irae#Music|Dies irae}}. The sequence is sung entirely with an open rounded vowel sound, or a soft "a" sound. || 4
|-
| 51-Across || Lola, when betting it all on Black 20 in ''Run Lola Run'' || In ''{{w|Run Lola Run}}'', Lola (Franka Potente) [https://youtu.be/OTSz1w-cuZM?si=2vc51WCWvn20Hjoo&t=116 screams loud enough to affect the outcome] of a roulette wheel where she has just bet all her money on Black 20. The scream could be transcribed as "AAAAAAAAAAA" || 10
|-
| 1-Down || Game featuring “a reckless disregard for gravity” || {{w|AaAaAA!!! – A Reckless Disregard for Gravity}} - notably the title is commonly extended in promotional material beyond 6 As. || 6
|-
| 2-Down || 1010101010101010101010102→16 || 10101010 10101010 10101010 in binary is equivalent to "AAAAAA" in hexadecimal. || 6
|-
| 3-Down || Google phone released July ’22 || The {{w|Pixel 6a}} was released in July 22. Stylized in this puzzle as "AAAAAA" ('A'*6) || 6
|-
| 4-Down || It’s five times better than that ''other'' steak sauce || 5 times better than {{w|A1 steak sauce}} would be A5, stylized in this puzzle as "AAAAA". || 5
|-
| 5-Down || ToHex(43690) || The decimal number 43690 converted to hexadecimal is AAAA. || 4
|-
| 6-Down || Freddie Mercury lyric from ''Under Pressure'' || A drawn-out 'Aaaaahhhh' rising in pitch. || 15
|-
| 7-Down || Full-size Audi luxury sedan || Second of three Audi references. As mentioned previously, the A8 is their full-size luxury sedan. || 8
|-
| 8-Down || Fast path through a multiple choice marketing survey || The "fast path" is just to select the first option over and over again. Usually the options are labeled A, B, C, and D (or more) - choosing the first option for every question would be answering entirely with As. || 7
|-
| 9-Down || 12356631 in base 26 || Randall is expressing base 26 using the letters of the alphabet with 1=A, in which case 1235663110 = AAAAAA26. (It's unclear how one would express the digit 026 this way.) || 6
|-
| 10-Down || Viral Jimmy Barnes chorus || A reference to the music video for Kirin J Callinan's song '{{w|Big Enough}}', which features Jimmy Barnes in a cowboy hat screaming "Aaaaaaaaaaaaaaa!" while in the sky over mountain scenes. || 15
|-
| 11-Down || Ruby Rhod catchphrase || Ruby Rhod is a radio host in the film '{{w|The Fifth Element}}'; he has a scene with a memorable scream. || 5
|-
| 12-Down || badbeef + 9efcebbb || In hexadecimal, badbeef and 9efcebbb add together to equal AAAAAAAA (195,935,983, 2,667,375,547, and 2,863,311,530 in decimal respectively). || 8
|-
| 13-Down || In Wet Leg’s ''Ur Mum'', what the singer has been practicing || In the song "{{w|Ur Mum}}" by Wet Leg, the bridge starts with "Okay, I've been practicing my longest and loudest scream", which is apparently eight As long. || 8
|-
| 14-Down || Refrain from Nora Reed bot || The "Endless Scream" bot on social media, made by Nora Reed, posts "AAAAAAAAAAA" (with or without an h) at varying lengths. || 8
|-
| 20-Down || Mario button presses to ascend Minas Tirith’s walls || {{w|Minas Tirith}}. In Mario games you typically use the A button to jump. In games where you don't press a button to move (e.g. games with a joystick) then the button presses required to ascend a vertical structure would probably all be A. This clue might have been inspired by the {{w|A-button challenge}} / [https://ukikipedia.net/wiki/A_Button_Challenge A Button Challenge], which tallies the amount of A presses needed to beat ''Super Mario 64''. Additionally, Minas Tirith is a city with seven concentric rings, each with a wall around it and higher than the last ring. Presumably, it takes seven jumps to get to the highest area of the city, so the answer is "AAAAAAA". || 7
|-
| 24-Down || Vermont historic route north from Bennington || {{w|Vermont Route 7A}}, or AAAAAAA. || 7
|-
| 26-Down || High-budget video game || A high-budget video game is usually referred to as a Triple-A game, or AAA. || 3
|-
| 28-Down || Unorthodox Tic-Tac-Toe win || Tic-Tac-Toe is usually won by getting either three Xs or three Os in a row, making XXX and OOO normal Tic-Tac-Toe wins. One could achieve a win of AAA by making the unorthodox choice of playing with the letter A instead of X or O. Alternatively, Randall is envisaging the grid as defined by rows 1, 2, 3, and columns A, B, C, so an AAA win would be simply playing in the first column each time - a strategy which should be obvious and easy to stop, even for young children who have not yet worked out that ''any'' route to winning can be blocked. || 3
|-
| 29-Down || String whose SHA-256 hash ends “…689510285e212385” || <code>printf AAAAAAAA <nowiki>|</nowiki> sha256sum</code> outputs <code>c34ab6abb7b2bb595bc25c3b388c872fd1d575819a8f55cc689510285e212385</code>.
Note that this 'clue' would be normally be ''particularly'' difficult, in isolation, as the nature of a {{w|hash function}} means that it is possible for multiple inputs to produce a given output, and that finding any of these (and definitely identifying ''all'' of them, to ensure you have the correct original) would require a {{w|brute-force attack}}; i.e. a test of all possible initial states to discover which of them might be viable candidates. Even more problematic is that we are only given a partial hash string, meaning we are possibly talking of a multiple of full hashes, each of them with a possible multiplicity of original plaintexts behind them.
 The number of possible hashes in the clue is 1664/1616, i.e. 1648, or approximately 6x1054, although there really is no reason (aside from the fundamental impracticality) to try to solve this problem from each and every 'hash end'. Instead you would 'only' check every combination of 8 letters (presuming no digits, punctuation or whitespace would be inserted, that no 'foreign'/accented characters are present and that uppercase is universally presumed, is 268; i.e. ~208 {{w|billion|short-scale billion}} possibilities) and discover which (one?) of these sufficiently matches the hash fragment given. Testing a hundred of these every second, it would take a little over 66 ''years'' to complete the task of checking every single possibility (rather than stopping at the first confirmed answer, which might well be the initial one in this particular case).
 In the context of a crossword such as this, however, you can significantly reduce this search by having established (or at least sufficiently narrowed down) the answers to the various across-clues which intersect with ever character of it (this form of crossword grid being of the {{w|Crossword#American-style crosswords|dense type}}, with no singly-clued spaces as with the more open lattice-types), reducing the necessary checks drastically. This could mean, having solved at least some of the perpendicular answers, that you have enough information to 'guess' at some likely answer, and then merely need to ''confirm'' that whatever guess(es) you make will resolve themselves into the clue-answer provided. (Much as you might with a more normally difficult clue, where you merely have to satisfy yourself that the surprise answer is at least justified as resulting from the original hint.)
| 8
|-
| 30-Down || Arnold’s remark to the Predator || A reference to [https://www.youtube.com/watch?v=OsFYPVxHKdc this scene] from '{{w|Predator (film)|Predator}}'. || 8
|-
| 31-Down || The vowels in the fire salamander’s binomial name || The vowels in {{w|Salamandra salamandra}} are aaaaaaaa. || 8
|-
| 32-Down || Janet Leigh ''Psycho'' line || The iconic scene in {{w|Psycho (1960 film)|Psycho}} is the shower scene, in which Janet Leigh gives a long piercing scream as she is murdered, which can be written as 8 As if one wishes. || 8
|-
| 34-Down || Seven 440Hz pulses || A sound with a frequency of 440 Hz is a middle "A" note. Seven such pulses would be AAAAAAA. || 7
|-
| 37-Down || Audi luxury sports sedan || Third of three Audi references. The A6 is their executive car. Actually, the A7, their executive liftback sedan, would fit the prompt of "luxury sports sedan" better, but 37 Down only has room for six As. || 6
|-
| 38-Down || A half-dozen eggs with reasonably firm yolks || Eggs can be [https://www.saudereggs.com/blog/egg-grading-system/ "graded on a variety of aspects"], with grades B, A, or AA. Eggs with a reasonably firm yolk are graded A, so having half a dozen of them gives you AAAAAA eggs. || 6
|-
| 39-Down || 2-2-2-2-2-2 on a multitap phone keypad || A "{{w|multi-tap|multitap keyboard}}" is a text entry system for mobile phones. Most numbers are associated with three letters, and tapping the same number multiple times in rapid succession selects the 1st, 2nd, or 3rd number. 2 is "a", 22 is "b", 222 is "c", 3 is "d", etc. 2-2-2-2-2-2 translates to "aaaaaa". || 6
|-
| 40-Down || .- .- .- .- .- .- || .- is Morse Code for A. It reads out as AAAAAA. || 6
|-
| 42-Down || Rating for China’s best tourist attractions || China's Ministry of Culture and Tourism provides ratings for many tourist attractions in China on a scale from A to AAAAA, with AAAAA being the best. Examples of well-known tourist attractions with the AAAAA rating include the Forbidden City, sections of the Great Wall of China, and the Terracotta Army. || 5
|-
| 43-Down || Standard drumstick size || 5A is a common, middle-range size for drumsticks (the sticks used to play drums, not the drumsticks that get eaten). Here, it's written as AAAAA. || 5
|-
| 45-Down || “The rain/in Spain/falls main-/ly on the plain” rhyme scheme || An AAAA rhyme scheme means each of the four lines ends with the same sound. || 4
|}

==Transcript==
:[A square 15x15 crossword puzzle is shown. Only 21 of the 225 squares are black. The black squares are in a pattern that are 180 degree rotationally symmetrical. Three black squares down from the 11th column and similarly three black squares up from the 5th column. Three black squares out from the right in row 7 and then two more black squares diagonally up from the end. Similarly three black squares out from the left in row 9 with two more black squares diagonally down from the end. A single black square is three above the first black square on the diagonal going down to the right and similarly there is a black square three under the first of the diagonal squares going down to the left. (Row 6 column 12 and Row 10 column 4). Finally there are three black squares on a diagonal crossing over the central point by going up from the left through the central point (Row 8 column 8). There are numbers at the top of every column (except the one that is a black square) and similarly at the left edge of all rows (except the one that is a black square). There are also numbers at the bottom of every black segment (except the one that reaches the bottom) and all rows after black segments except the one that reaches the right edge. In total all numbers from 1 to 51 is written. They are written in reading order from 1 to 51.]
:1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51

:[Below the square there are two rows of clues for each number that belongs to across (rows) and to the right there are one row of clues for each number that belongs to down (columns). Both segments have an underlined and bold title above the clues. Clue 1 goes in both across and down as the only number to be presented in both segments.]
:<big>'''Across'''</big>
:1. Famous Pvt. Wilhelm quote
:11. IPv6 address record
:15. "CIPHERTEXT" decrypted with Vigenère key "CIPHERTEXT"
:16. 8mm diameter battery
:17. "Warthog" attack aircraft
:18. '''E'''ve'''r'''y t'''h'''ir'''d''' le'''t'''te'''r''' in the word for "inability to visualize"
:19. An acrostic hidden on the first page of the dictionary
:21. Default paper size in Europe
:22. First four unary strings
:23. Lysine codon
:24. 40 CFR Part 63 subpart concerning asphalt pollution
:25. Top bond credit rating
:26. Audi coupe
:27. A pair of small remote batteries, when inserted
:29. Unofficial Howard Dean slogan
:32. A 4.0 report card
:33. The "Harlem Globetrotters of baseball" (vowels only)
:34. 2018 Kiefer song
:35. Top Minor League tier
:36. Reply elicited by a dentist
:38. ANAA's airport
:41. Macaulay Culkin's review of aftershave
:43. Marketing agency trade grp.
:44. Soaring climax of Linda Eder's ''Man of La Mancha''
:46. Military flight community org.
:47. Iconic line from ''Tarzan''
:48. '''E''''''v''''''e''''''r''''''y'''''' o''''''t''''''h''''''e''''''r''' letter of Jimmy Wales's birth state
:49. Warthog's postscript after "They call me ''mister'' pig!"
:50. Message to Elsa in ''Frozen 2''
:51. Lola, when betting it all on Black 20 in ''Run Lola Run''

:<big>'''Down'''</big>
:1. Game featuring "a reckless disregard for gravity"
:2. 1010101010101010101010102→16
:3. Google phone released July '22
:4. It's five times better than that ''other'' steak sauce
:5. ToHex(43690)
:6. Freddie Mercury lyric from ''Under Pressure''
:7. Full-size Audi luxury sedan
:8. Fast path through a multiple choice marketing survey
:9. 12356631 in base 26
:10. Viral Jimmy Barnes chorus
:11. Ruby Rhod catchphrase
:12. badbeef + 9efcebbb
:13. In Wet Let's ''Ur Mum'', what the singer has been practicing
:14. Refrain from Nora Reed bot
:20. Mario button presses to ascend Minas Tirith's walls
:24. Vermont historic route north from Bennington
:26. High-budget video game
:28. Unorthodox Tic-Tac-Toe win
:29. String whose SHA-256 hash ends "...689510285e212385"
:30. Arnold's remark to the Predator
:31. The vowels in the fire salamander's binomial name
:32. Janet Leigh ''Psycho'' line
:34. Seven 440Hz pulses
:37. Audi luxury sports sedan
:38. A half-dozen eggs with reasonably firm yolks
:39. 2-2-2-2-2-2 on a multitap phone keypad
:40. .- .- .- .- .- .-
:42. Rating for China's best tourist attractions
:43. Standard drumstick size
:45. "The rain/in Spain/falls main-/ly on the plain" rhyme scheme

==Trivia==
*This comic got a [[Header_text#A_Crossword_Puzzle|comic-specific header text]] after the first day it was up.
**This was because one of the comics Randall lists as one of those he enjoys, [https://www.buttersafe.com/ Buttersafe], had already posted a similar comic back in 2011: [https://www.buttersafe.com/2011/02/17/crosswords/ Crosswords].
**Randall had forgotten this, but now pays tribute to this, stating that he must have been accidentally inspired by that comic.
*[[User:Elfakyn|Elfakyn]] posted a link to a picture of the solved crossword puzzle in the [[Talk:2957:_A_Crossword_Puzzle#Solved_puzzle_picture|coments]] and allowed it to be included here:
[[File:2957_A-Crossword_Puzzle-Solved.png]]
*All the black squares are in a symmetrical pattern, which is generally the case for crossword puzzles in the US and UK. See description of the pattern in the [[#Transcript|transcript]].
{{comic discussion}}

[[Category:Language]]

Talk:2950: Situation

2024-06-26T08:25:39Z

172.70.85.103:

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)

2940: Modes of Transportation

2024-06-03T13:21:41Z

172.70.85.103: /* 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.
|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 only comfortable for a few kilometers. Very slow compared to even bicycles, but the energy intensity is good for exercise.
|data-sort-value=""| One of the safest way people get around, as long as you don't get hit by a motorized vehicle. Walking up or down stairs is particularly dangerous.
|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. Very slow for actual transport, very loud, and very difficult to learn.
|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, 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. Safety gear is common.
|Speciality/Recreational
|-
|{{w|Inline skates|Rollerblades}}
| Shoes with 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. 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.
|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.
|?????
|}

==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]]

2930: Google Solar Cycle

2024-05-09T14:31:53Z

172.70.85.103: /* Explanation */

{{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==
{{incomplete|Created by a SOLAR FLARE SEARCHING UP SOLAR FLARES - Please change this comment when editing this page. Do NOT delete this tag too soon.}}
{{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 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 cure 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 the 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!

==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}
:In the top left corner of the image, the words ''Google Trends search traffic for "Solar Flare"'' are present (the name of the graph.)
:[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]]

2929: Good and Bad Ideas

2024-05-07T11:11:51Z

172.70.85.103: /* Explanation */

{{comic
| number = 2929
| date = May 6, 2024
| title = Good and Bad Ideas
| image = good_and_bad_ideas_2x.png
| imagesize = 595x522px
| noexpand = true
| titletext = While it seemed like a fun prank at the time, I realize my prank fire extinguishers full of leaded gasoline were a mistake.
}}

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

This is a scatter plot comparing how good an idea sounds to how good the idea actually is. For example, leaded gasoline sounds like a good idea due to the anti-knocking effects, but is actually a bad idea due to lead toxicity. Fake prank fire extinguishers however sound bad and are bad as they can result in a dangerous situation in an emergency. Putting mold on infections sounds like a bad idea, but this could be referring to Penicillin, an antibiotic.

The title text combines leaded gasoline and a fake prank fire extinguisher into something that is worse than either. Not only is the fire extinguisher fake, it also releases flammable material onto the fire, and there is the additional lead toxicity.

{| class="wikitable"
|-
! Idea !! What it means !! How good it sounds !! How good it actually is !! Explanation
|-
|Leaded Gasoline||Adding {{w|Tetraethyllead|tetraethyl lead}} to gasoline to reduce noise and/or increase performance||++||---||Leaded gasoline was introduced in the early 1920s to eliminate engine knocking and greatly increase fuel efficiency and engine performance. Lead, however, is toxic. Burning the leaded gasoline in an engine releases the lead in the air. This is bad, and was known to be bad at the time, which is why there was an extensive PR campaign by oil companies to prove the alleged safety of the new product which, broadly speaking, succeeded up until the 1970s.
|-
|Bloodletting||Releasing "bad blood" from the veins||---||---||You need (most of) your blood.{{Citation needed}} Bloodletting has been performed as a medical procedure for at least 2000 years until it was considered pseudoscience from the 19th century, when the harmful effects became known. The idea was to withdraw blood to balance the body's "humors". Nowadays {{w|phlebotomy}} is only used therapeutically in a small number of cases, such as hemochromatosis (too much iron in the body).
|-
|{{w|Asbestos}}||Mineral which does not burn and is good insulation, isolation, and fire-retardant||+++||---||Asbestos was used extensively in buildings throughout most of the 20th century. Sadly the microscopic fibers which make up asbestos greatly increase the risk of cancer when inhaled.
|-
|Extension cords with prongs on both ends||allows easy connection between 2 female connectors||0 (neutral)||---||Prongs on both ends would make it easier to plug the extension cord in on either side. But once plugged into an outlet, the other end becomes a serious shock hazard.
|-
|Stair Kayaking||Riding down a flight of stairs in a {{w|kayak}}||--||---|| Stair kayaking is a stunt where a person positions a kayak at the top of a flight of stairs and then, using their paddle to push off, rides the kayak down the stairs. This poses significant easily foreseeable risks of injury or death, as well as being very bad for the kayak, which is designed to ride on water, not concrete.
|-
|Fake prank fire extinguishers||||---||---|| The idea of placing fake fire extinguishers as a prank, presumably so that a person who thinks they are grabbing a real fire extinguisher will instead find a decoy, sounds very dangerous and potentially life-threatening for many people, and it would, in fact, be highly dangerous. In the United States, (and presumably most countries), this would also be a felony in most, if not all, jurisdictions. An example of a similar situation, although not intended as a prank, can be found here[https://twitter.com/ThatSamWinkler/status/1657154071051239424]
The title text expands this idea by having the prank fire extinguishers filled with (leaded) gasoline. This is literally adding fuel to the fire.
|-
|Always saying what you think||...regardless of the feelings of others or other considerations||++||--||They may reply without concern for ''your'' feelings or other considerations. Openness and honesty are seen as positive character traits in people, however taken to the extreme of ''always'' telling people what you think about them, can lead to awkward or unpleasant situations. Keeping negative thoughts to yourself or telling "white lies" can be considered a better alternative in some situations.
|-
|Replying to spammers||Clicking on the "Reply" button from spam mails and writing (and sending) a reply (or worse, clicking on the links in these mails)||--||--||At best, you confirm your email address and identify yourself as someone likely to respond to such unsolicited messages, and so encourage the spammers to deluge you with even more messages. At worst, the spammer may use your correspondence to extract sensitive information about you, or make you victim to a scam.
|-
|Solar cars||Having {{w|Solar panel|solar panels}} on the car's surface (mostly hood and roof) for power generation||+++||-||Cars require large amounts of energy in short periods of time and portable solar panels do not produce this, nor are they as efficient as fixed installations on the power grid.
There are competitions for solar powered cars, though, like the {{w|World Solar Challenge}}.
|-
|Heelies||{{w|Heelys}} are shoes with a inline skate wheel embedded in the sole, at the heel. ||+||-||Heelys allow the wearer (usually children) to shift between normal walking and rolling like a roller skate. This sounds like fun but has lead to numerous injuries.
|-
|Prequels||A work of fiction (mostly movie) telling the "story before the story" of another work of fiction.||+++||-||More of a good story sounds great on the surface, but the constraints of a prequel's ending needing to create the starting conditions of the original work often precludes organic development and causes contrived plots.
|-
|Transition Lenses||Photochromic lenses in glasses get darker (like sunglasses) in bright light.||+||-||Photochromic lenses are clear lenses that darken when exposed to UV light, then turn clear again when the exposure is removed. The advantage is that wearers of glasses don't need to buy separate (prescription) sunglasses. However, the process is relatively slow (about a minute) so not so useful when there is a quick succession of shade and bright light, perhaps in a forest or when driving. Also, car windscreen filter out UV light to some degree, which prevents the glasses from darkening as required. Finally, the process is temperature dependent, so in hot weather the glasses don't become as dark and in cold weather they might stay dark for too long.
|-
|Cutting pizza in squares||Cutting (a presumably round) pizza in squares||-||-||Most people cut pizza into wedges and hold it by the crust. Cutting it into squares allows for more pieces to be shared, but pieces near the center will have no crust to hold it by, getting cheese and sauce all over your fingers. There will also be lots of leftover tiny pieces. While hardly a disaster like the other items in its quadrant, square pizza pieces are just not very useful and rather inefficient. Cutting a rectangular pizza into squares might not suffer from the problems above, but, unless the pizza itself is square and cut only inot four squares, some people will end up with a higher crust-to-topping ratio than others.
|-
|{{w|Project Orion (nuclear propulsion)|Project Orion}}||Study by the U.S. government looking into nuclear pulse propulsion for spacecraft.||---||-||Using repeated nuclear explosions to generate motion sounds bad for both the spacecraft and everything else, especially with a ground launch, but there are ways to address a lot of the concerns, so it isn't as bad as it sounds. Project Orion's theorized specific impulse and thrust would also be far higher than anything chemical rockets can accomplish. The efficiency of Project Orion is extremely low, however.
|-
|Soup||Soup||0 (neutral)||0 (neutral)||Soup is probably one of the oldest foods created by prehistoric cooks. Most people enjoy it, though many soups are considered somewhat lacking as a meal on their own, or bland.
|-
|Combo washer dryers||A device which combines washing machine and laundry dryer into one device||+++||+||Better at space efficiency, but worse at each task than separate devices.
|-
|Cutting sandwiches diagonally||Cutting sandwiches diagonally||+||+||Generally regarded{{Actual citation needed}} as the structurally superior way to slice a sandwich, providing better support in the hand and fewer all-crust bites. Required in the assembly of a club sandwich, where the diagonal components are stacked again.
|-
|{{w|Diverging diamond interchange|Diverging diamond interchanges}}||Road junction where the two road direction cross over to switch sides (so if you normally drive on the right, now you drive on the left) then switch back to normal after the junction||-||+||Highway engineers believe the shape improves safety and traffic flow through the interchange because switching to the other side facilitates merging to and from the other road in the junction. However the shape appears to be insanity to an unfamiliar driver.
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|Toasting sandwiches||Making a sandwich first and then cooking it, as in a dedicated {{w|Pie_iron|sandwich toaster}}, a {{w|toaster oven|toaster oven}} or frying pan, or under a grill.||++||++||The grilled cheese sandwich is a familiar form to most people, and many other sandwiches are improved by toasting as a final step. Others, such as the {{w|western sandwich|Western}} or {{w|club sandwich|club}} are prepared using toast. The {{w|peanut butter, banana and bacon sandwich|Elvis}} is a specific case of a sandwich that normally wouldn't be toasted, but is improved by it - peanut butter, bacon, banana, and jelly, with the assembly lightly fried.
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|Crumple zones||Designated areas of a car that crumple in case of a crash... ||--||++||...to absorb the energy of the crash to prevent damage to the passengers
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|Sliced bread||Bread, sliced by the baker before packaging for sale||+++||++||It's far more convenient for making sandwiches or toast, but unfortunately pr-esliced bread will go stale faster and some applications may be better off thicker or thinner than the slices provided. Sliced bread is often used as a comparator for how good something is in the phrase 'the best thing since sliced bread'.
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|Pizza||Flat, though usually leavened, bread with tomato sauce, cheese, and often vegetables or preserved meats||++||++||Pizza is a widely popular dish throughout much of the world, uncontroversial {{w|Anchovies_as_food|except}} {{w|Pineapple|certain}} [https://www.taste.com.au/recipes/nutty-choc-pizza-fresh-berries/2c0220a4-8463-45ff-b2ba-ac7e5012a006 toppings].
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|Eating citrus fruit while at sea||||0 (neutral)||+++||The vitamin C present in some citrus fruits prevents one from developing {{w|Scurvy|scurvy}}.
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|Putting mold on infections||Seemingly a reference to ancient practice of pressing moldy bread against infected wounds||---||++||While this sounds like a good way to get a fungal infection, with the correct mold this is a primitive antibiotic, and led to the discovery of penicillin.
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|Wheels on luggage||Some luggage bags have small wheels inset on their frame and a carrying handle.||+++||+++||A relatively simple fitting for rigid or semi-rigid luggage that substantially eases its transport over long distances on flat surfaces such as travel terminals.
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|Heat pumps||Refrigeration (or air conditioning) technology operated in reverse to heat an area instead.||++||+++||Because refrigeration is a very efficient way to move heat (as long as the cold side's temperature is high enough) this is often far more energetically efficient than directly heating a space. Reversible heat pumps also exist which can take care of both temperature needs in some climates.
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|Laser eye surgery||Surgical techniques using lasers for precision cutting in the eyeball.||-||+++||This technology has substantially improved the eyesight of millions of people worldwide by allowing treatment of eye problems otherwise only corrected by lenses, or entirely untreatable. Randall has previously commented on laser eye surgery, amongst other ideas both good and bad, in [[1681: Laser Products]].
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|Fecal transplants||Transfer of gut microbiome of healthy person to sterilised gut of ill person.||---||+++||The gut microbiome is a collection of bacteria that lives in our guts. It can influence our health. It is responsible for last stages of digesting our food. It can also produce neurotransmitters that are carried by blood to our brain influencing our behaviour. A healthy microbiome can be destroyed by bad eating habits, unhealthy lifestyle, infections or antibiotics. The important part is a composition of different species of bacteria that compromise the biome. Sometimes it may be necessary to completely sterilise the gut and then take a sample of a healthy biome from another person. A sample is enough as the bacteria will multiply. As long as the patient eats correctly, the microbiome after transplant should develop correctly.

It sounds bad because we tend to think of our feces as something gross, to be discarded. It is called fecal transplant as our feces contain about 50% of gut bacteria, but nowadays the sample usually takes the form of a coated pill that is applied rectally.
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==Transcript==
{{incomplete transcript|Do NOT delete this tag too soon.}}

{{comic discussion}}
[[Category:Charts]]