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		<id>https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=172.69.54.75</id>
		<title>explain xkcd - User contributions [en]</title>
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		<updated>2026-04-17T07:53:06Z</updated>
		<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2263:_Cicadas&amp;diff=187062</id>
		<title>2263: Cicadas</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2263:_Cicadas&amp;diff=187062"/>
				<updated>2020-02-09T21:59:36Z</updated>
		
		<summary type="html">&lt;p&gt;172.69.54.75: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 2263&lt;br /&gt;
| date      = February 3, 2020&lt;br /&gt;
| title     = Cicadas&lt;br /&gt;
| image     = cicadas.png&lt;br /&gt;
| titletext = After a while you adjust to the new cicadian rhythm.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{w|Cicada|Cicadas}} are a species of insect whose nymphs burrow underground and emerge as adults to reproduce several years later.  One common species in North America is the 17-year cicada, also known as the {{w|periodical cicada}}.  These cicadas form distinct {{w|Periodical_cicadas#Map_of_brood_locations|broods}} which burrow and emerge as a group every 17 years, with different broods starting the cycle at different times.  This results in a couple of weeks every 17 years when the cicadas swarm in huge numbers, then vanish just as quickly when the adults die off.  Cicadas also make a distinctive buzzing sound, which makes their periodic appearance even more memorable.&lt;br /&gt;
&lt;br /&gt;
In the comic, [[Cueball]] and [[Ponytail]] have accidentally created 17-''second'' cicadas using {{w|genetic engineering}}.  This means that rather than seeing a massive swarm every 17 years, they have to deal with a swarm every 17 seconds. This makes it very difficult for them to do their work, especially to figure out how the cicadas were created, because the swarm keeps interrupting their work. Note that the comic has been drawn differently than most other straight four panel comics, probably to highlight the interruptions of the  buzzing swarm - see the [[#Transcript|Transcript]].&lt;br /&gt;
&lt;br /&gt;
The title text is a pun on &amp;quot;{{w|circadian rhythm}}.&amp;quot; In particular, it might resemble something said to someone getting adjusted to a new sleep schedule. But here it is the 17 seconds interruption, not a time zone shift, that has to be adjusted for. &lt;br /&gt;
&lt;br /&gt;
This entire comic seems to only have been a lead-up to the &amp;quot;cicadian rhythm&amp;quot; punchline. This is an interesting suggestion since [[Randall]] has mentioned in an interview that he makes up the title text after completing the comic.{{Citation needed}} Seems like he made an exception here; unless he didn't.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[This comic is laid out in a variation of a regular four-panel comic. One wide panel is overlaid by two smaller panels, which are placed where the second and fourth panels would be. These panels are slightly offset so they extend above the wide panel.]&lt;br /&gt;
&lt;br /&gt;
:[Cueball and Ponytail are facing each other across a desk while having a conversation. Cueball is holding up a tablet in his hand while Ponytail is typing at a laptop on the desk.]&lt;br /&gt;
:Cueball: What can you tell from genome comparison?&lt;br /&gt;
:Ponytail: I think there's a duplication on the -&lt;br /&gt;
:Ponytail: ''Look out!''&lt;br /&gt;
&lt;br /&gt;
:[An overlaid panel shows that the air is full of flying cicadas, many of which have landed on Cueball, Ponytail, the laptop, the tablet, and the desk. Ponytail and Cueball have their arms up in a futile attempt to shield themselves from the bugs, with Cueball having put the tablet down on the table.]&lt;br /&gt;
:&amp;lt;big&amp;gt;'''''Bzzzzzzz'''''&amp;lt;/big&amp;gt;&lt;br /&gt;
&lt;br /&gt;
:[The cicadas are gone, and Cueball and Ponytail resume their conversation. Cueball has picked up the tablet again]&lt;br /&gt;
:Ponytail: - a duplication on the gene right before the cleavage site, so the resulting protein -&lt;br /&gt;
:Ponytail: ''Look out!''&lt;br /&gt;
&lt;br /&gt;
:[An overlaid panel shows that the air is again full of flying cicadas, which have once again landed on Cueball, Ponytail, the laptop, the tablet, and the desk. Ponytail and Cueball have raised their arms to shield themselves again.]&lt;br /&gt;
:&amp;lt;big&amp;gt;'''''Bzzzzzzz'''''&amp;lt;/big&amp;gt;&lt;br /&gt;
&lt;br /&gt;
:[Caption below the large panel:]&lt;br /&gt;
:Our genetics work has produced 17-second cicadas, but we're having a hard time figuring out how.&lt;br /&gt;
&lt;br /&gt;
==Trivia==&lt;br /&gt;
The widely-accepted scientific explanation for the long and seemingly arbitrary 17-year lifecycle is that seventeen is a {{w|prime number}} - it's believed that this is an evolutionary adaptation against lifecycles of competitors taking easy advantage of the cicada as a foodsource (if a predator) or emerging early to dominating their shared foodsource (if a fellow feeder), since 17 years cannot be divided by any whole number of years other than itself and 1.&lt;br /&gt;
&lt;br /&gt;
A 16-year cicada might find a creature with an 8-year, 4-year or [[1602:_Linguistics_Club|biennial]] cycle could profit from it in a 'clash' of expectations, but only a cycle that is a multiple of 17 (by an identical accident of evolution, that must also match the 'beat' years of the Cicada to be useful) would affect the presumed ancestors of the comic-strip breed.  Predators often work to yearly cycles of plenty and scarcity of food, or can survive a low number of famine years between the better ones, but if they have less than one year of 'bounty' for every decade or so of 'normal' feeding then they cannot build up the numbers needed to threaten such prey that plays the long-game.&lt;br /&gt;
&lt;br /&gt;
Other broods of cicada have 13-year lifecycles (the next lowest prime number), and would potentially clash for resources (or hybridise) only every 221 years.  Even if this causes a single bad cycle, for both sub-species, the next cycle of appearance is their own once more (for each) and the respective populations have plenty of opportunity to recover from this event by the time a further two centuries pass.  Thus (it is theorised!) the happenstance evolution of a period of dormancy that gives a cycle of a significantly large prime-number of years - though still low enough to ''survive'' that period - is ultimately more advantageous than any cousins who tried to evolve to a period with smaller factors/shorter harmonics.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Comics featuring Ponytail]]&lt;br /&gt;
[[Category:Biology]]&lt;br /&gt;
[[Category:Animals]]&lt;br /&gt;
[[Category:Puns]]&lt;/div&gt;</summary>
		<author><name>172.69.54.75</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:2056:_Horror_Movies&amp;diff=164914</id>
		<title>Talk:2056: Horror Movies</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:2056:_Horror_Movies&amp;diff=164914"/>
				<updated>2018-10-28T22:10:49Z</updated>
		
		<summary type="html">&lt;p&gt;172.69.54.75: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;!--Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom.--&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Horror is about my least favorite genre of film.  Westerns rank around the same.  I find both pretty boring, though there are some suspense films, when done right, that I do like. [[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 17:55, 8 October 2018 (UTC)&lt;br /&gt;
:I agree about horror but the Western {{w|A Fistful of Dollars}} and some more by {{w|Sergio Leone}} are on my personal top movie list. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 18:02, 8 October 2018 (UTC)&lt;br /&gt;
::Actually, I can enjoy almost any genre if its a humorous spoof of the genre.  I love Blazing Saddles, for example.  And there are rare examples in genres that can appeal to outsiders.  I may have to give Sergio Leone's movies a try. [[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 18:13, 8 October 2018 (UTC)&lt;br /&gt;
:::Oh, from the {{w|Dollars Trilogy}} you should start with the third, running three hours and still the best. And for comedy horror this is a widely unknown great one: {{w|Little Shop of Horrors (film)}}. Check the cast. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 19:00, 8 October 2018 (UTC)&lt;br /&gt;
Early XKCD issues frequently referenced Randall's fear of velociraptors. There hasn't been a reference to this fear in many years though. Did Randall forget this trope? Is he no longer scared of dinosaurs? [[Special:Contributions/108.162.216.112|108.162.216.112]] 19:55, 8 October 2018 (UTC)&lt;br /&gt;
: It could be he hasn't encountered a velociraptor recently and has therefore lost his fear. [[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 21:04, 8 October 2018 (UTC)&lt;br /&gt;
: It could also be he has encountered a velociraptor recently but she was friendly and assured him humans are not among her prey list and she just eats evil T-rex professors who screw around with the speed of light. [[Special:Contributions/141.101.76.58|141.101.76.58]] 10:47, 9 October 2018 (UTC)&lt;br /&gt;
:I've always seen it as a LOVE for velociraptors, not a fear, that he's often brought them up. As Jurassic Park has told everybody they're killing machines, it makes the most sense to mention them in regards to attacks. :) [[User:NiceGuy1|NiceGuy1]] ([[User talk:NiceGuy1|talk]]) 05:24, 12 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
I understand the idea: I don't care about horrors, but I like fantasy and sci-fi movies and was never stopped by someone classifying some fantasy/sci-fi movie as horror ... like in case of Dracula, Frankenstein, The Exorcist ... or Underworld, Constantine, Alien ... wait, is Alien classified as horror or not? -- [[User:Hkmaly|Hkmaly]] ([[User talk:Hkmaly|talk]]) 22:34, 8 October 2018 (UTC)&lt;br /&gt;
: Alien is quite surely a horror movie, I would say. Aliens (=the second movie) sets a different tone and includes elements of an action movie. Sebastian --[[Special:Contributions/172.68.110.34|172.68.110.34]] 06:47, 9 October 2018 (UTC)&lt;br /&gt;
: You'd like Sunshine then. Personally, even that had too much horror for me. --[[Special:Contributions/162.158.38.196|162.158.38.196]] 11:17, 9 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
If we take it as reverse analogy, the title text hints he didn't liked/watched the part where Jeff tried to convince the executives to build the park in the original movie, as it was observed as a Horror part for him. --[[User:Nachuo|Nachuo]] ([[User talk:Nachuo|talk]]) 06:41, 9 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
I don't think the explanation should say that Randall is the one talking in the title text. I have to assume that that is still a conversation between Cueball and White Hat. I doubt Randall is talking to himself there... [[Special:Contributions/162.158.78.130|162.158.78.130]] 14:26, 9 October 2018 (UTC)&lt;br /&gt;
:You are right, it's a conversation between Cueball and White Hat. But as it's explained before Cueball represents Randall, not uncommon at xkcd. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 20:59, 9 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
Haha, I'm totally with Randall on this one. I just don't get horror movies. ¯\_(ツ)_/¯&amp;lt;br&amp;gt;--[[User:Sensorfire|Sensorfire]] ([[User talk:Sensorfire|talk]]) 17:40, 9 October 2018 (UTC)&lt;br /&gt;
: There's actually some serious research which had been done. In most case the pleasant sensation some people experience, comes from &amp;quot;watching terrible things happen to *other* people&amp;quot;. i.e.: it's due to their brains suddenly realizing that *they* did not get any horrible thing. It hapenned to someone else and they managed to &amp;quot;survive&amp;quot; it. [[Special:Contributions/162.158.111.133|162.158.111.133]] 17:26, 10 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
Yeah, I agree too, don’t much like horror movies, but have been intending to watch Jurassic Park for the science and dinosaurs, despite the horror theme. I think the part of the book that stuck with me the most was the idea of “what could they possibly be doing with THREE CRAY 1 SUPERCOMPUTERS?!” 😜 [[User:PotatoGod|PotatoGod]] ([[User talk:PotatoGod|talk]]) 18:41, 9 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
Why am I getting deja vu? Is there a similar xkcd comic or a similar joke on another comic?&lt;br /&gt;
[[Special:Contributions/172.69.134.9|172.69.134.9]] 01:37, 10 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
A recent edit changed it from Cueball being sarcastic in his supposed enthusiasm for horror films, to one where he is a genuine fan.  I believe this is incorrect, and he really is being sarcastic.  But I didn't want to change it back without some discussion.  Who thinks Cueball is a fan, who thinks he's just being sarcastic, and who thinks we should try to include both theories in the explanation? [[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 13:58, 10 October 2018 (UTC)&lt;br /&gt;
:I'm coming around to the idea that he's a real fan.  Since I'm not, I just assumed he was being sarcastic. :-) I've added that possibility and tweaked it a little. [[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 14:28, 10 October 2018 (UTC)&lt;br /&gt;
:I believe your first impression was correct - to me, the caption reinforces the idea that the response in the comic panel is a sarcastic answer to White Hat. [[User:Ianrbibtitlht|Ianrbibtitlht]] ([[User talk:Ianrbibtitlht|talk]]) 14:58, 10 October 2018 (UTC)&lt;br /&gt;
:I'm 100% certain that Cueball is being sarcastic. [[User:Tarcas|Tarcas]] ([[User talk:Tarcas|talk]]) 15:44, 10 October 2018 (UTC)&lt;br /&gt;
:He's being sarcastic, no question. Him being sarcastic fits in with the caption. AND the title text, sarcasm means the conversation is simply continuing in the title text. Plus Cueball is generally the &amp;quot;on-screen&amp;quot; representation of Cueball, him being sarcastic would be Randall being sarcastic, which, again, fits in with Randall's sentiment in the caption and title text. :) You've fallen prey to the usual ExplainXKCD fallacy of introducing doubt and uncertainty where there is none, LOL! And I SO agree with Randall on this comic, and I have the added thing that horror movies don't work on me anyway (even if I WAS interested in getting scared), outside of cheap jump scares. [[User:NiceGuy1|NiceGuy1]] ([[User talk:NiceGuy1|talk]]) 05:24, 12 October 2018 (UTC)&lt;br /&gt;
:In this case Cueball doesn't represent Randall but a typical horror fan; his statement illustrates Randall's perception of the fundamental absurdity of horror fandom. He's a nice guy who can't imagine taking pleasure in other people's distress or the sight of gore.[[Special:Contributions/172.69.54.75|172.69.54.75]] 22:10, 28 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
The idea of breeding an island full of killers is actually a good description of the horror movie The Brood.[[User:JeroenRL|JeroenRL]] ([[User talk:JeroenRL|talk]]) 14:10, 10 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
I don't really agree with the section that says Randall admits he's criticising from a position of ignorance. He's shown that he's not ignorant of horror movies, he merely doesn't understand why they're popular. [[Special:Contributions/172.69.55.166|172.69.55.166]] 15:22, 10 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
&amp;quot;Death, uh... finds a way.&amp;quot; -Ian Malcolm, &amp;lt;i&amp;gt;Serial Killer Park&amp;lt;/i&amp;gt; --Electro-- [[Special:Contributions/162.158.186.192|162.158.186.192]] 05:28, 17 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
On the strange popularity of horror movies: a morbid fascination with violent events makes sense in the dangerous ancestral environment. People who listened with rapt attention to stories of terrible things happening to other people would have been more likely to avoid or survive them. The guy who said &amp;quot;I don't care to hear about the lion attack in such gruesome detail. It was a terrible thing that happened and it makes me feel afraid,&amp;quot; was less likely to escape the next attack, and less likely to have become your ancestor. Today's entertainment is yesterday's education. [[User:Bob Stein - VisiBone|Bob Stein - VisiBone]] ([[User talk:Bob Stein - VisiBone|talk]]) 14:57, 28 October 2018 (UTC)&lt;/div&gt;</summary>
		<author><name>172.69.54.75</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:2061:_Tectonics_Game&amp;diff=164486</id>
		<title>Talk:2061: Tectonics Game</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:2061:_Tectonics_Game&amp;diff=164486"/>
				<updated>2018-10-20T07:05:32Z</updated>
		
		<summary type="html">&lt;p&gt;172.69.54.75: /* An Actual Game */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;!--Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom.--&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Wrote my first transcript. Hopefully it isn't terrible, haha. [[User:IYN|IYN]] ([[User talk:IYN|talk]]) 17:13, 19 October 2018 (UTC)&lt;br /&gt;
:Not bad, but please do not remove the incomplete tag too soon. Even my smaller changes don't convince me right now that it's complete. --[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 17:34, 19 October 2018 (UTC)&lt;br /&gt;
:There's no explanation ''OR'' transcript for the Title-text, yet. Sooo...  &lt;br /&gt;
:[[User:ProphetZarquon|ProphetZarquon]] ([[User talk:ProphetZarquon|talk]]) 18:41, 19 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
I know very little about stars. Can anyone explain what the type in the title text is? [[Special:Contributions/162.158.63.70|162.158.63.70]] 18:23, 19 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
The nice thing about this game is you could represent the Earth by a 1000-pixel wide map, and it would take over a decade before anyone could tell whether you'd actually implemented anything. -- [[User:Dtgriscom|Dtgriscom]] ([[User talk:Dtgriscom|talk]]) 20:53, 19 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
== An Actual Game ==&lt;br /&gt;
&lt;br /&gt;
Here is a section for people who are looking into actually developing a game. (With time warp obviously.)&lt;br /&gt;
&lt;br /&gt;
Seriously though, this could actually be a fun (and educational) simulator, similar to KSP. --[[Special:Contributions/172.69.142.10|172.69.142.10]] 02:31, 20 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
My wife is trying to physically restrain me from immediately starting to write this game...int main ( int arggggg...ow...get off [[User:SteveBaker|SteveBaker]] ([[User talk:SteveBaker|talk]]) 16:52, 19 October 2018 (UTC)&lt;br /&gt;
:If the comment section of this comic is anything to go by, you could sell it for a buck a pop and get...I dunno...$12 at least? [[User:GreatWyrmGold|GreatWyrmGold]] ([[User talk:GreatWyrmGold|talk]]) 19:01, 19 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
Who wants to help me make this? [[User:Blacksilver|Blacksilver]] ([[User talk:Blacksilver|talk]]) 17:24, 19 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
With a sufficiently large time warp, this actually sounds like it would be pretty fun. [[User:Ahiijny|Ahiijny]] ([[User talk:Ahiijny|talk]]) 18:20, 19 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
Hey, guys reading your comments I can see several people, including myself, might be interested in making a game like this. Perhaps we should coordinate efforts to make one? [[Special:Contributions/162.158.246.100|162.158.246.100]] 23:15, 19 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
I came here specifically to see if this game existed and I'm irritated it doesn't yet. People with better coding and geological skills than me, you have an interested party.&lt;br /&gt;
&lt;br /&gt;
I'm fully on board. If and when this thing hypothetically gets popular, I'll be like, &amp;quot;Hey, I was there!&amp;quot; [[Special:Contributions/172.68.46.5|172.68.46.5]] 04:12, 20 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
== Other Real Time Games ==&lt;br /&gt;
&lt;br /&gt;
This is for discussion of other real time games. (I.E. Desert Bus) --[[Special:Contributions/172.69.142.10|172.69.142.10]] 02:34, 20 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
I have this horrible urge to find the Desert Bus source code and mod it to make &amp;quot;Desert Bus 2: Walt Disney Land to Walt Disney World&amp;quot; [[Special:Contributions/172.68.90.88|172.68.90.88]] 21:53, 19 October 2018 (UTC)SiliconWolf&lt;br /&gt;
&lt;br /&gt;
It's like playing Desert Bus for the rest of your life...  :)  [[Special:Contributions/162.158.63.154|162.158.63.154]] 18:23, 19 October 2018 (UTC) Scott&lt;br /&gt;
&lt;br /&gt;
:I thought it appropriate to add Desert Bus to the main description as a real world example of a tedious real-time game that goes to a ridiculous extreme... though much less extreme and ridiculous than the one in the comic. [[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 21:17, 19 October 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
Does anyone else remember the old DOS game: 688 Attack Sub? Where it felt like you were waiting forever for your torpedo to hit? I liked that they told you that, in the real world, it's much slower than it is in the game.[[Special:Contributions/172.68.65.6|172.68.65.6]] 18:46, 19 October 2018 (UTC)&lt;/div&gt;</summary>
		<author><name>172.69.54.75</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1923:_Felsius&amp;diff=164134</id>
		<title>1923: Felsius</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1923:_Felsius&amp;diff=164134"/>
				<updated>2018-10-13T01:56:58Z</updated>
		
		<summary type="html">&lt;p&gt;172.69.54.75: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1923&lt;br /&gt;
| date      = December 1, 2017&lt;br /&gt;
| title     = Felsius&lt;br /&gt;
| image     = felsius.png&lt;br /&gt;
| titletext = The symbol for degrees Felsius is an average of the Euro symbol (&amp;amp;#8364;) and the Greek lunate epsilon (&amp;amp;#1013;).&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
&lt;br /&gt;
Just like in [[1292: Pi vs. Tau]], [[Randall]] tries to unify two measurement systems by averaging both values, presumably with little success.&lt;br /&gt;
&lt;br /&gt;
There are several {{w|Scale_of_temperature|temperature scales}} actively used in different parts of the world of for different purposes, including {{w|Celsius}} and {{w|Fahrenheit}}, but e.g. also {{w|Kelvin}} and {{w|Rankine_scale|Rankine}}.&lt;br /&gt;
&lt;br /&gt;
The debate on whether to use Fahrenheit or Celsius is, just like the one between {{w|United States customary units}} (which uses Fahrenheit), {{w|imperial units}} (outdated system that used Fahrenheit), and {{w|Metric system|metric units}} (which use Celsius or Kelvin), one that is mostly restricted to the US. While Fahrenheit is a widely used temperature scale in the US, most other countries have already switched from Fahrenheit to Celsius or have always used Celsius. In scientific circles, even in the US, only Celsius (and Kelvin) are used.&lt;br /&gt;
&lt;br /&gt;
The conversion factors between Celsius and Fahrenheit are:&lt;br /&gt;
:°C = (°F − 32) × 5 / 9&lt;br /&gt;
:°F = °C × 9 / 5 + 32&lt;br /&gt;
&lt;br /&gt;
which makes the average (mean) value of °C and °F: °Є = °C × 7 / 5 + 16.  The step-by-step derivation of this is:&lt;br /&gt;
:°Є = (°C + °F) / 2&lt;br /&gt;
: = (°C + (°C × 9 / 5 + 32)) / 2&lt;br /&gt;
: = (°C + °C × 9 / 5 + 32) / 2&lt;br /&gt;
: = (°C × 5 / 5 + °C × 9 / 5 + 32) / 2&lt;br /&gt;
: = (°C × (5+9) / 5 + 32) / 2&lt;br /&gt;
: = (°C × 14 / 5 + 32) / 2&lt;br /&gt;
: = °C × 7 / 5 + 16&lt;br /&gt;
&lt;br /&gt;
[[Randall]] chose to name his new unit of temperature Felsius (a {{w|portmanteau}} of Fahrenheit and Celsius). &lt;br /&gt;
&lt;br /&gt;
Comically enough, the Felsius scale discards the main advantages of either temperature scale. The Celsius scale is based around 0 °C as the melting point of water and 100 °C as the boiling point, which is an advantage Felsius does not preserve. Fahrenheit is often argued to be a convenient temperature measure for human comfort, as 0 °F is very cold and 100 °F is very hot. Many places on earth which humans inhabit fall reasonably well within these extremes the majority of the time, but Felsius does not preserve this advantage of the Fahrenheit scale either.&lt;br /&gt;
&lt;br /&gt;
The title text states that the symbol he chose to represent this unit also is the average of two other symbols. Visually, it is assumed to be a combination of Celsius and Fahrenheit (a C with a crossbar), but it is actually the unrelated symbols for the {{w|Euro sign|euro}} (€) and the Greek lunate {{w|epsilon}} (ϵ). Randall's symbol has a single crossbar, like the Greek lunate epsilon, but the crossbar continues to the left, like the Euro symbol. (In this explanation and the transcript, we have used the mathematical symbol [http://graphemica.com/%E2%8B%B2 U+22F2], which may appear too large or too small depending on the font.)&lt;br /&gt;
&lt;br /&gt;
{|class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
!Symbol!!Number of crossbars!!Length of crossbar(s)&lt;br /&gt;
|-&lt;br /&gt;
||Euro||2||Long&lt;br /&gt;
|-&lt;br /&gt;
||Epsilon||1||Short&lt;br /&gt;
|-&lt;br /&gt;
||Felsius||1||Long&lt;br /&gt;
|-&lt;br /&gt;
||[not used]||2||Short&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
In doing all this, Randall has fallen into the trap of creating a new temperature scale/standard: see [[927: Standards]].&lt;br /&gt;
&lt;br /&gt;
Randall has also compared Celsius and Fahrenheit scales earlier in [[1643: Degrees]] and in [[526: Converting to Metric]] he tries to give users of the Fahrenheit scale an idea about what a given Celsius temperature would feel like.&lt;br /&gt;
&lt;br /&gt;
This is an example of {{w|Argument_to_moderation|Argument to Moderation}}, also known as the false middle point fallacy.  A famous use of this fallacy is in the Bible, the {{w|Judgment_of_Solomon|Judgment of Solomon}}.  The true mother of a disputed baby is discovered&amp;lt;ref&amp;gt;1 [http://biblehub.com/commentaries/1_kings/3-27.htm Kings 3:27] &amp;quot;...she is the mother thereof.&amp;quot;&amp;lt;/ref&amp;gt; by proposing the &amp;quot;compromise&amp;quot; of cutting the baby in half. Perhaps Randall has a similar strategy in proposing Felsius, an absurd compromise, in order to somehow discover the &amp;quot;true&amp;quot; temperature scale.&lt;br /&gt;
&lt;br /&gt;
Note that this is not the first time Randall has [[:Category:Compromise|proposed a controversial third way]].&lt;br /&gt;
&lt;br /&gt;
=== Table of Given Conversions &amp;amp; Additional ===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
!°C!!°Є!!°F!!Note&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |100.0&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |156.0&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |212.0&lt;br /&gt;
||Water boils at sea level (1 atmosphere)&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |54.0&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |91.6&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |129.2&lt;br /&gt;
||World heat record (per [https://en.wikipedia.org/wiki/Highest_temperature_recorded_on_Earth Wikipedia])&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |37.0&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |67.8&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |98.6&lt;br /&gt;
||Body temperature (accepted average)&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |22.0&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |46.8&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |71.6&lt;br /&gt;
||Room temperature (maximum per [https://ahdictionary.com/word/search.html?q=room+temperature American Heritage Dictionary])&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |0.0&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |16.0&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |32.0&lt;br /&gt;
||Pure water freezes at sea level (1 atmosphere); 0°C reference&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−11.4&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |0.0&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |11.4&lt;br /&gt;
||0°Є reference&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−17.8&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−8.9&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |0.0&lt;br /&gt;
||0°F reference&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−21.1&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−13.5&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−6.0&lt;br /&gt;
||Saturated salt water freezes at sea level (1 atmosphere)[https://van.physics.illinois.edu/qa/listing.php?id=1722]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−40.0&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−40.0&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−40.0&lt;br /&gt;
||Equivalence point (exactly −40°)&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−273.2&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−366.4&lt;br /&gt;
| style=&amp;quot;text-align:right;&amp;quot; |−459.7&lt;br /&gt;
||Absolute zero (exactly −273.15°C or −459.67°F)&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;references&amp;gt;&amp;lt;/references&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[A thermometer is shown where the temperature is indicated, with a red column of liquid, to be just above room temperature. This can be seen from the five labels belonging to five lines pointing at the scale. None of these coincide with the 14 ticks on the actual scale for the thermometer. Below the last label is the formula for calculating the temperature on this scale.]&lt;br /&gt;
:92°Є world heat record&lt;br /&gt;
:68°Є body temperature&lt;br /&gt;
:47°Є room temperature&lt;br /&gt;
:16°Є water freezes&lt;br /&gt;
:–9°Є 0°F&lt;br /&gt;
:°Є=7×°C/5+16=(7×°F–80)/9&lt;br /&gt;
&lt;br /&gt;
:[Caption below the panel:]&lt;br /&gt;
:Since the Celsius vs Fahrenheit debate has proven surprisingly hard to resolve, as a compromise I've started using Felsius (°Є), the average of the two.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Implementations==&lt;br /&gt;
An implementation of Felsius is available at [http://www.weatherinfelsius.us Weather In Felsius], using a location based on user's IP address and accepting US ZIP codes.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics with color]]&lt;br /&gt;
[[Category:Portmanteau]]&lt;br /&gt;
[[Category:Math]]&lt;br /&gt;
[[Category:Physics]]&lt;br /&gt;
[[Category:Compromise]]&lt;/div&gt;</summary>
		<author><name>172.69.54.75</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:2036:_Edgelord&amp;diff=161692</id>
		<title>Talk:2036: Edgelord</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:2036:_Edgelord&amp;diff=161692"/>
				<updated>2018-08-22T11:54:36Z</updated>
		
		<summary type="html">&lt;p&gt;172.69.54.75: Pun&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;!--Please sign your posts with ~~~~ and don't delete this text. New comments should be added at the bottom.--&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Presumably has something to do with https://www.urbandictionary.com/define.php?term=edgelord&lt;br /&gt;
[[Special:Contributions/173.245.48.129|173.245.48.129]] 04:37, 22 August 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
What is up with the wolverine? Am I missing a joke here? Possibly a reference somewhere else?&lt;br /&gt;
&lt;br /&gt;
If you are actually an &amp;quot;edgelord&amp;quot;, wouldn't you answer &amp;quot;no&amp;quot; anyway to provoke once again? [[User:Fabian42|Fabian42]] ([[User talk:Fabian42|talk]]) 08:40, 22 August 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
I feel like there should be some discussion of what an edge (or hyper-edge) is in graph theory. [[Special:Contributions/162.158.165.22|162.158.165.22]] 10:20, 22 August 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
Good that he doesn't call his plumber a shitlord. Might need one again. [[Special:Contributions/172.69.54.75|172.69.54.75]] 11:54, 22 August 2018 (UTC)&lt;/div&gt;</summary>
		<author><name>172.69.54.75</name></author>	</entry>

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