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		<id>https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=108.162.221.89</id>
		<title>explain xkcd - User contributions [en]</title>
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		<updated>2026-04-15T20:52:31Z</updated>
		<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:1611:_Baking_Soda_and_Vinegar&amp;diff=219182</id>
		<title>Talk:1611: Baking Soda and Vinegar</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:1611:_Baking_Soda_and_Vinegar&amp;diff=219182"/>
				<updated>2021-10-13T14:39:44Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.221.89: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;The only experience I have with such a volcano exhibit is from US TV programmes representing the nerds (or the desperate non-nerds with no imagination) at a science-fair in Stateside schools, but I laid down my impressions of the tradition anyway.  No embedded links to anything, as yet, as I expect other people will know what needs explaining (or re-writing) better than me.  - I was going to go onto Supervolcano territory, but I'm not sure it's supposed to be more than 'regular' increased volcanic activity, outside, albeit through the power of acid/base interaction (thus salt being the equivalent of volcanic dust plumes, no doubt). [[Special:Contributions/162.158.152.227|162.158.152.227]] 10:00, 2 December 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
Another trans-Atleantean here, I've expanded on your explanation with some links and the title-text, but your overall draft concurs with my experience of science-fair volcanoes being a stereotypical &amp;quot;easy/lame&amp;quot; project for science fairs [[Special:Contributions/162.158.90.193|162.158.90.193]] 11:33, 2 December 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
Humanity should hope that the supervolcano is built in scale, resulting in ONLY Decade Volcanoes level of damage. -- [[User:Hkmaly|Hkmaly]] ([[User talk:Hkmaly|talk]]) 13:50, 2 December 2015 (UTC)&lt;br /&gt;
:According to the title text it is so no worries if you do not live close by or has to fly close to the ash clouds ;-) --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 16:03, 2 December 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
Isn't the girl the same one as in Feathers[[https://xkcd.com/1104/]]? [[Special:Contributions/199.27.129.95|199.27.129.95]] 23:08, 2 December 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
I thought Megan was about to say that the mini volcano had nothing to do with the scientific method, which would fill in the holes mentioned by the incomplete box and thus complete the explanation. If anyone else agrees with me, I think we should edit it to say that (I'm too busy right now to do so.)[[Special:Contributions/173.245.54.49|173.245.54.49]] 23:39, 2 December 2015 (UTC)&lt;br /&gt;
:Agreed; changes made :) --mezimm [[Special:Contributions/108.162.221.89|108.162.221.89]] 14:39, 13 October 2021 (UTC)&lt;br /&gt;
&lt;br /&gt;
Can we all agree that this is a young Danish? {{unsigned ip|Zakka}}&lt;br /&gt;
:I personally think shes kinda a black hat type guy who caused unusual things to happen maybe her volcano is like a voodoo doll of sorts for the real earth which now suddenly has such volcanoes because of her. [[User:Needforsuv|Needforsuv]] ([[User talk:Needforsuv|talk]]) 11:39, 3 December 2015 (UTC)&lt;br /&gt;
::No I do not think she is a Danish/Black Hat. But I think she is a recurring character as in [[1104: Feathers]] mentioned above. Similar girls have been used before and after this. Maybe we need a category for her. She is not evil, but when people dismiss her for being a child or not being scientific, she may get mean. Of course this case is quite bad. But had it not been for the comment to begin with maybe she would not have set off her super volcano ;-) --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 16:10, 22 July 2016 (UTC)&lt;br /&gt;
:::Other girls like this: [[1659: Tire Swing]], [[1352: Cosmologist on a Tire Swing]] and [[1058: Old-Timers]].&lt;br /&gt;
&lt;br /&gt;
;other xkcd volcano/lava comics&lt;br /&gt;
&lt;br /&gt;
* https://xkcd.com/735/&lt;br /&gt;
* https://what-if.xkcd.com/122/ (if you drop molten tungsten into hot lava, the lava will freeze the tungsten)&lt;br /&gt;
* https://what-if.xkcd.com/35/ (what if we go higher)&lt;br /&gt;
* https://what-if.xkcd.com/135/ (digging downward)&lt;br /&gt;
* https://what-if.xkcd.com/57/ (ok, it's about mountains, but still...)&lt;br /&gt;
[[User:WhiteDragon|WhiteDragon]] ([[User talk:WhiteDragon|talk]]) 14:14, 3 December 2015 (UTC)&lt;br /&gt;
:Are you suggesting we add a volcano category? [[Special:Contributions/108.162.210.206|108.162.210.206]] 01:31, 6 December 2015 (UTC)&lt;br /&gt;
I don't think that the model &amp;quot;extends some way beyond [the table]&amp;quot;.  I think the joke is that it's a small-scale model of an actual, geological baking soda/vinegar volcano, countering Ponytail's implied claim that it isn't based on real geology. --[[Special:Contributions/199.27.128.25|199.27.128.25]] 01:48, 5 December 2015 (UTC)&lt;/div&gt;</summary>
		<author><name>108.162.221.89</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:2225:_Voting_Referendum&amp;diff=182502</id>
		<title>Talk:2225: Voting Referendum</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:2225:_Voting_Referendum&amp;diff=182502"/>
				<updated>2019-11-09T02:09:04Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.221.89: Add comment about best method selecting itself.&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;
OK, I just created a massive edit conflict, I see. Will move my content into the appropriate parts of the template already in place. [[User:Silverpie|Silverpie]] ([[User talk:Silverpie|talk]]) 20:37, 6 November 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
If there is disagreement about which edits are better, we should vote on it.  Which system of voting would be best for that? [[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 21:08, 6 November 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
Someone (IP-User) just added the following: &lt;br /&gt;
 Additionally, in election of multiple candidates across a country (or region etc.), first past the post does not lead to a distribution of elected representatives proportional to the total number of votes, only electing the lead candidate in each case. For example, imagine a country with 100 representatives to be elected, with each seat having the same distribution as described in the example above. Under first past the post, 100 representatives will be elected representing part A, and none for party B or C.&lt;br /&gt;
Unless there is some example where this is used (multiple seats given only to the winner of a first past the post) I'd vote for removing this statement. As I do not know all (or even many) democratic systems worldwide, I am not sure if it might be relevant somewhere. --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 13:58, 7 November 2019 (UTC)&lt;br /&gt;
:That's how the US Electoral College works: in each state, all elector seats go to the party that obtained the majority of votes.[[Special:Contributions/162.158.234.94|162.158.234.94]] 14:53, 7 November 2019 (UTC)&lt;br /&gt;
::Really? I knew that the &amp;quot;electoral college&amp;quot; was fucked up, but I was not aware, that the US system is this bad... --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 15:06, 7 November 2019 (UTC)&lt;br /&gt;
:::The US system is the most broken system in a democracy... See CGP Greys videos on [https://www.youtube.com/watch?v=s7tWHJfhiyo first past the post] and general playlist of [https://www.youtube.com/playlist?list=PLqs5ohhass_R1EPpAQ5GKnNvB_W0jOSDO Politics in America]. --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 21:05, 7 November 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
Problem of selecting the method of voting was already considered in Polish comedy [[wikipedia:The_Cruise_(1970_film)|The Cruise (Pol. Rejs)]]. &amp;quot;But what voting system can be used to select the method of voting?&amp;quot; [[User:Tkopec|Tkopec]] ([[User talk:Tkopec|talk]]) 09:34, 8 November 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
;Louisiana Primary&lt;br /&gt;
I didn't know - WikiP: The so-called Louisiana primary is the common term for the Louisiana general election for local, state, and congressional offices.[1] On election day, all candidates for the same office appear together on the ballot, often including several candidates from each major party. The candidate who receives a simple majority is elected. If no candidate wins a simple majority in the first round, there is a runoff one month later between the top two candidates to determine the winner. This system is also used for United States Senate special elections in Mississippi and Texas, and all special elections for partisan offices in Georgia.[2][[User:Afbach|Afbach]] ([[User talk:Afbach|talk]])&lt;br /&gt;
&lt;br /&gt;
This is also known as a &amp;quot;Jungle Primary&amp;quot; and is also done in Washington state and California. [[Special:Contributions/108.162.219.58|108.162.219.58]] 20:00, 6 November 2019 (UTC)&lt;br /&gt;
&amp;lt;!-- NOTICE: Click the [edit] button next to the Google Ads title to discuss the ads. --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
I had to resolve an editing conflict in the first paragraph with another editor, but please feel free to further resolve our differing edits. [[User:Ianrbibtitlht|Ianrbibtitlht]] ([[User talk:Ianrbibtitlht|talk]]) 20:26, 6 November 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
;Single Transferable Vote&lt;br /&gt;
The text says &amp;quot;100%/(k+1)&amp;quot;. Surely this should be &amp;quot;100%/k + 1&amp;quot;, or &amp;quot;100%/k, plus one person&amp;quot;? Say k is 4. The current text implies that only 20% is required, when it should be 25%, plus one person. [[User:John.Adriaan|John.Adriaan]] ([[User talk:John.Adriaan|talk]]) 01:55, 7 November 2019 (UTC)&lt;br /&gt;
:Setting a quota at 25% plus one person would only allow 3 people to be elected, as once that happens there would be less than 25% of the vote left to count which wouldn't be enough to elect anyone else. Setting the quota at 100%/(k+1) means that k people can be elected before the remaining vote isn't enough to elect anyone else (setting the quota at exactly 100%/k, by the way, has also been used and is known as the {{w|Hare quota}}). [[User:Arcorann|Arcorann]] ([[User talk:Arcorann|talk]]) 02:21, 7 November 2019 (UTC)&lt;br /&gt;
:Say k is 4.  Then 100%/(4+1) = 20%.  So, yes, it's possible that you could end up with 5 people all getting exactly 20%.  But a perfect 5-way tie like that would be extremely unlikely.  Other than that very improbable result, only 4 people could get elected, as is desired.  Imagine, for example, one person gets ''juuust'' over 20% of the vote.  Even just that little bit over means there's '''less than''' 80% of the vote left for the other four.  Which means only 3 of the remaining 4 people could get over the 20% threshold.&lt;br /&gt;
::Of course the correct formula should be &amp;quot;100%/(k+1)+1&amp;quot;. -- [[User:Hkmaly|Hkmaly]] ([[User talk:Hkmaly|talk]]) 04:23, 7 November 2019 (UTC)&lt;br /&gt;
:::Which could result in no-one being elected if, say, 5 candidates each get exactly 20% of the vote. [[Special:Contributions/162.158.158.127|162.158.158.127]] 22:17, 7 November 2019 (UTC)&lt;br /&gt;
:::: Which would be in some sense fair, as noone is more favourable to the voters than the other 4 candidates, while there is only 4 seats... So there needs to be a second referendum or some other measure for that case. --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 06:59, 8 November 2019 (UTC)&lt;br /&gt;
:::: In that case the system would handle the situation the same way it handles ties when candidates have smaller numbers of votes (every system needs to handle ties somehow, after all). [[User:Arcorann|Arcorann]] ([[User talk:Arcorann|talk]]) 09:23, 8 November 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
I just came here to see if there was a discussion on which system actually should be selected, according to the ballot displayed. I'm sadly disappointed that there isn't one, lol.  [[Special:Contributions/172.69.68.219|172.69.68.219]] 17:25, 7 November 2019 (UTC) Sam&lt;br /&gt;
@Sam,  just for you then: According to the ballot displayed,  I, as the Commissioner of XKCD Voting Comic voting, and retired OTTer,  hereby remind you that it isn't what people vote for but who counts the votes.  I've counted, and the winning system is [redacted]  [[User:Cellocgw|Cellocgw]] ([[User talk:Cellocgw|talk]]) 15:22, 8 November 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
Can we hold an election for who gets to give me all their money, use the Borda count, and then not vote at all? So he'd pay me (if he's still alive of course). [[User:SilverMagpie|SilverMagpie]] ([[User talk:SilverMagpie|talk]]) 20:16, 8 November 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
Assume that counting votes under the best election method will select the best election method.  IOW, the best election method will select itself.  So, if there happens to be exactly one election method that chooses itself, then the problem is solved. [[Special:Contributions/108.162.221.89|108.162.221.89]] 02:09, 9 November 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{{Talk:2220: Imagine Going Back in Time/Ads}}&lt;/div&gt;</summary>
		<author><name>108.162.221.89</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1947:_Night_Sky&amp;diff=151600</id>
		<title>1947: Night Sky</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1947:_Night_Sky&amp;diff=151600"/>
				<updated>2018-01-26T17:58:27Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.221.89: /* Explanation */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1947&lt;br /&gt;
| date      = January 26, 2018&lt;br /&gt;
| title     = Night Sky&lt;br /&gt;
| image     = night_sky.png&lt;br /&gt;
| titletext = There's a mountain lion nearby, but it didn't notice you because it's reading Facebook.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
In this comic, [[Cueball]] and [[Megan]] are going out for a nighttime walk, to &amp;quot;unplug&amp;quot; and get away from technology, to ask the &amp;quot;big questions&amp;quot;. However, they soon realize that they would have much preferred a walk ''with'' technology, as it could make it much easier for them to find the way home, see where they're going, and make them feel safer, despite coming with Internet trolls.&lt;br /&gt;
&lt;br /&gt;
The title text claims that technology is so omnipresent that even the threatening mountain lion has a Facebook account and ready internet access.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
{{incomplete transcript|Do NOT delete this tag too soon.}}&lt;br /&gt;
&lt;br /&gt;
[Cueball and Megan are walking under the night sky.]&lt;br /&gt;
&lt;br /&gt;
Megan: The internet is so overwhelming for me these days. It feels like everyone I know is yelling all the time.&lt;br /&gt;
&lt;br /&gt;
[Frame is zoomed out. Stars are visible]&lt;br /&gt;
&lt;br /&gt;
Megan: That's why it's so nice to unplug. Leave the phones at home,go for a walk, and look up at the stars.&lt;br /&gt;
&lt;br /&gt;
Megan: It helps you focus on what really matters.&lt;br /&gt;
&lt;br /&gt;
[frame is normal again.]&lt;br /&gt;
&lt;br /&gt;
Cueball: Like &amp;quot;Where the hell are we?&amp;quot;&lt;br /&gt;
&lt;br /&gt;
Megan: And &amp;quot;Why did I leave my phone at home? It has my map and flashlight.&amp;quot;&lt;br /&gt;
&lt;br /&gt;
Cueball: &amp;quot;Are there mountain lions around here? Did you hear a twig break?&amp;quot;&lt;br /&gt;
&lt;br /&gt;
Megan: Yeah, the big questions!&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;/div&gt;</summary>
		<author><name>108.162.221.89</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1946:_Hawaii&amp;diff=151599</id>
		<title>1946: Hawaii</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1946:_Hawaii&amp;diff=151599"/>
				<updated>2018-01-26T17:56:38Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.221.89: /* Explanation */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1946&lt;br /&gt;
| date      = January 24, 2018&lt;br /&gt;
| title     = Hawaii&lt;br /&gt;
| image     = hawaii.png&lt;br /&gt;
| titletext = Ok, I've got it, just need to plug in my security key. Hmm, which way does the USB go? Nope, not that way. I'll just flip it and- OH JEEZ IT FELL INTO THE VENT.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
&lt;br /&gt;
On January 13, 2018 an emergency alert for the state of Hawaii sent out a warning of an incoming ballistic missile attack. The message was specifically noted to NOT be a drill. This caused widespread panic and fear amongst the island residents, and there were follow-up confirmations from local entities who thought the original warning was real. It was eventually determined that the alert was sent in error -- the explanation being that a technician accidentally sent out the &amp;quot;real&amp;quot; version when they were supposed to be testing the system during an end-of-shift changeover -- but the fact that it took half an hour for the correction to be sent drew widespread criticism. On January 23, [http://www.cnn.com/2018/01/23/us/hawaii-governor-password-trnd/index.html it was revealed] that the governor of Hawaii knew the alert was a false alarm only two minutes after it was sent, but couldn't notify the public because he had forgotten the login information for his Twitter account.&lt;br /&gt;
&lt;br /&gt;
The proliferation of online services requiring authentication, together with variations in security requirements, various flavours of {{w|Multi-factor_authentication}}, a variety of password retrieval methods, and security advice not to re-use passwords across services, has resulted in the management and memorisation of passwords becoming a major headache for many people. This comic shows Cueball, representing the governor, frantically trying to retrieve his log in to Twitter and encountering a number of common frustrations:&lt;br /&gt;
* He has a number of passwords that he uses, likely for multiple services, but none of them seem to be working. Often people will use subtly different variations of one or more password(s) for different logins, in an attempt to keep them all unique. In a situation where they've forgotten the relevant password, this can lead to them cycling through all the possible variations, and struggling to keep track of which they have and haven't tried.&lt;br /&gt;
* He's requested a password reset, but doesn't know where to go to activate it. Many services allow users to reset a password using a link or information sent to them in an email. However, as many people have multiple email accounts, this can be unhelpful and frustrating if it simply indicates that 'you have been sent an email'.&lt;br /&gt;
* He expects the password to have been saved somewhere, but can't work out where. Many devices and browsers now have the facility to save and/or sync passwords entered through them, in an attempt to simplify their management by providing centralised storage. However, the very number of these available leads to a re-fragmentation.&lt;br /&gt;
Off-panel, another person is adding to the stress of his situation by screaming at him that people are beginning to panic and warning sirens are going off, underscoring the need to get the correction out as fast as possible. As the caption under the comic indicates, Randall has had a nightmare along these (very specific) lines, and is amused to find someone experiencing that nightmare in the real world.&lt;br /&gt;
&lt;br /&gt;
The alt-text refers to USB security keys, physical USB devices that act as tangible 'passwords' for various accounts or devices. (A traditional key of shaped metal is literally a tangible password, with each digit of the password releasing one tumbler of a physical lock; Electronic keys replace the key-and-tumbler password system with a digital password signal.) In the context of this comic, the governor attempts to sign into his Twitter account using one such key, but can't insert it into his computer correctly (as USB devices are infamous for needing to be inserted in a particular orientation despite having a symmetrical outer appearance; also known as [https://www.google.com/search?q=usb+superposition USB superposition].) Trying to flip the key around, Cueball drops it into a vent - similar to what happens in [[1518: Typical Morning Routine]].&lt;br /&gt;
&lt;br /&gt;
== Trivia ==&lt;br /&gt;
The Hawaii emergency agency also might have password problems. In a news article from June 2017 there was a photo showing an agency employee standing beside his own computer, which sports a password on a sticky note. [http://uk.businessinsider.com/hawaii-emergency-agency-password-discovered-in-photo-sparks-security-criticism-2018-1?utm_content=buffer1f883&amp;amp;utm_medium=social&amp;amp;utm_source=facebook.com&amp;amp;utm_campaign=buffer-ti&amp;amp;r=US&amp;amp;IR=T This caused further criticism of the agency security practices].&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
&lt;br /&gt;
:[Cueball is at a desk with one hand on a laptop and the other holding his phone.]&lt;br /&gt;
:Off-screen voice: '''''Hurry!'''''&lt;br /&gt;
:Cueball: It keeps saying &amp;quot;Wrong Password!&amp;quot; I've tried everything it might be!&lt;br /&gt;
:Off-screen voice: '''''The clock is ticking!'''''&lt;br /&gt;
:Cueball: I requested a reset but haven't gotten it! Which email did I use?!&lt;br /&gt;
:Off-screen voice: '''''Sirens are going off!!'''''&lt;br /&gt;
:Cueball: It's not in my password manager! Is it in a browser? Which browser? Is Autofill synced to my phone??&lt;br /&gt;
:Off-screen voice: '''''OH MY GOD THE SCREAMING!!'''''&lt;br /&gt;
&lt;br /&gt;
:[Caption below the panel:]&lt;br /&gt;
:I feel bad for everyone in Hawaii, but when the governor couldn't get into his Twitter account, he lived out one of my very specific nightmares in real life.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;/div&gt;</summary>
		<author><name>108.162.221.89</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1688:_Map_Age_Guide&amp;diff=121147</id>
		<title>1688: Map Age Guide</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1688:_Map_Age_Guide&amp;diff=121147"/>
				<updated>2016-06-01T20:56:51Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.221.89: /* Explanation */ Mossflower&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1688&lt;br /&gt;
| date      = June 1, 2016&lt;br /&gt;
| title     = Map Age Guide&lt;br /&gt;
| image     = map_age_guide.png&lt;br /&gt;
| titletext = Does the screeching chill your blood and herald death? If yes, banshee. If no, seagull.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
*A [http://xkcd.com/1688/large/ larger version] of this image can be found by clicking the image at xkcd.com - the comic's page can also be accessed by clicking on the comic number above.&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|Many is still missing.}}&lt;br /&gt;
Flowchart depicting various ways to tell what era a map is from based on present country borders and land forms. Most of the options are very serious,with a few bizarre options (mistaking a seagull and breadbox for a map) or references to things like the {{w|Discworld}} books and Middle-earth, the setting of the Lord Of the Rings series. He also mentions US President Jimmy Carter being attacked by a giant swimming rabbit, an event previously referenced by [[204]].&lt;br /&gt;
&lt;br /&gt;
Additionally, (possible) future maps including a &amp;quot;Radioactive Exclusion Zone&amp;quot; in the place of Colorado are mentioned. It predicts that some kind of nuclear incident will occur in Colorado (possibly at Rulison or Rio Blanco nuclear testing sites) in 2022. It also predicts that the area will be infested by radioactive spiders one year later.&lt;br /&gt;
&lt;br /&gt;
The title text continues the path where the user has confused a seagull for a map by inquiring if the (presumed) seagull might be a banshee based on the effect of its screams.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
(First Draft, please expand.)&lt;br /&gt;
&lt;br /&gt;
Going through the flowchart, taking the leftmost path first, recursively. See {{w|Depth-first search}}.&lt;br /&gt;
&lt;br /&gt;
{| border =1 width=100% cellpadding=5 class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|'''Question''' || '''Explanation''' &lt;br /&gt;
|-&lt;br /&gt;
|'''Istanbul or Constantinople'''&lt;br /&gt;
||The largest city in Turkey is famous for having different names at different times or to different people. Variations on both names go back at least 1,000 years. Other names have also been used at various points. İstanbul has been the official name since the 1920's, although Western maps often referred to it as Constantinople as late as the 1960's; on the flowchart, the choice of name appears to go with the 1920's date. The name changes are the subject of a [http://mentalfloss.com/article/60314/original-istanbul-not-constantinople song], originally by the Four Lads, but now mainly known for the They Might Be Giants recording.&lt;br /&gt;
|-&lt;br /&gt;
| '''Do any of these exist? &amp;lt;br/&amp;gt; Independent Canada &amp;lt;br/&amp;gt; US Territory of Alaska &amp;lt;br/&amp;gt; Tokyo'''&lt;br /&gt;
|| All these seem to specify a date cut-off of 1867/8, but there are caveats attached to each:&amp;lt;br/&amp;gt; Canada gained its independence gradually, but it would appear as its own country on maps some time between the {{w|Constitution Act, 1867}} (which created Canada as a British dominion) and the {{w|Statute of Westminster 1931}} (which made Canada largely self-governing).&amp;lt;br/&amp;gt;The {{w|Territory of Alaska}} existed between 1912 (previously, it was a US district) and 1959 (when it became a state). The US has owned Alaska since the 1867 {{w|Alaska Purchase}}, but it was not a territory then.&amp;lt;br/&amp;gt;{{w|Tokyo}} was once called Edo. It was renamed Tokyo (which means &amp;quot;Eastern Capital&amp;quot;) when it became the capital in 1868. [https://books.google.com/ngrams/graph?content=Tokyo%2CTokei&amp;amp;year_start=1870&amp;amp;year_end=1880&amp;amp;corpus=15&amp;amp;smoothing=3&amp;amp;share=&amp;amp;direct_url=t1%3B%2CTokyo%3B%2Cc0%3B.t1%3B%2CTokei%3B%2Cc0 Most English books around then] would actually have called it &amp;quot;Tokei&amp;quot;, the Chinese reading. The name Tokyo didn't take off until {{w|Hepburn romanization}} was popularized in the 1880s.&lt;br /&gt;
|-&lt;br /&gt;
| '''The Holy Roman Empire'''&lt;br /&gt;
|| The predecessor to modern Germany, the {{w|Holy Roman Empire}} was a union of hundreds of small states in Central Europe. Nationalism and the concept of the {{w|nation state}} hadn't taken off yet, so countries as we know them didn't really exist. There were just small lands, often with keenly contested borders, owned by minor aristocracy who pledged allegiance to one of the big powers. The HRE was dissolved in 1806 after it was invaded by Napoleon, arguably the first leader to realise the potential of making a nation salute a flag.&lt;br /&gt;
|-&lt;br /&gt;
| '''The United States?'''&lt;br /&gt;
|| The original 13 colonies declared independence in 1776. A map that does not include ''either'' the HRE ''or'' the USA must be older than the HRE which would put the map some time prior to 1000 AD, when there really were no countries, hence Randall's confusion.&lt;br /&gt;
|-&lt;br /&gt;
| '''Texas is...&amp;lt;br/&amp;gt;Part of Mexico?&amp;lt;br/&amp;gt;Independent?&amp;lt;br/&amp;gt;Part of the US?'''&lt;br /&gt;
|| Mexico occupied the area modern day Texas from around 1718 ([[w:Spanish Texas|when the first permanent Spanish settlements were founded]]) to the {{w|Texas Declaration of Independence}} in 1836 - the land called &amp;quot;Texas&amp;quot; was only a small part of the modern day state. The {{w|Republic of Texas}} only lasted a decade, and joined the US in 1846.&lt;br /&gt;
|-&lt;br /&gt;
| '''Florida is part of...&amp;lt;br/&amp;gt;Spain?&amp;lt;br/&amp;gt;The US?'''&lt;br /&gt;
|| Spain occupied Florida (as East Florida and West Florida) but frankly they didn't actually want it - it was expensive to send people to settle it, and there wasn't much economic value in it. So they gave it to the US for free in the 1819 {{w|Adams–Onís Treaty}} in exchange for the US giving up parts of Mexico and paying off angry Spanish settlers.&lt;br /&gt;
|-&lt;br /&gt;
| '''Paraguay?'''&lt;br /&gt;
|| Declared independence from Spain in 1811 (although it might appear on older maps as the Spanish Province of Paraguay).&lt;br /&gt;
|-&lt;br /&gt;
| '''Venezuela and/or Ecuador?'''&lt;br /&gt;
|| Both declared independence from {{w|Gran Colombia}} (Greater Colombia) in 1830.&lt;br /&gt;
|-&lt;br /&gt;
| '''Does Russia border the Sea of Japan?'''&lt;br /&gt;
||Russia currently borders the sea of Japan so the 1867 upper limit is because of Tokyo not existing higher in the chain.  The 1858 limit is to do with the [https://en.wikipedia.org/wiki/Treaty_of_Aigun Treaty of Aigun]&lt;br /&gt;
|-&lt;br /&gt;
| '''The US's southern border looks... &amp;lt;br/&amp;gt; Weird &amp;lt;br/&amp;gt; Normal'''&lt;br /&gt;
|| The 1853 cut-off date suggests that this is about the {{w|Gadsden Purchase}}, when the US bought a chunk of what is now Arizona and New Mexico so they could build a railway that avoided unfavourable terrain.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
Constantinople / Do any of these exist? / '''Independent Canada - US Territory or Alaska - Tokyo''' No&lt;br /&gt;
&lt;br /&gt;
Constantinople / Do any of these exist? / No / '''The United States'''&lt;br /&gt;
&lt;br /&gt;
Neither / Does the Ottoman Empire exist? /  No / '''The Soviet Union?''' &lt;br /&gt;
&lt;br /&gt;
The Soviet Union is one of the largest countries ever to exist consisting of Russia and large portions of eastern Europe and central Asia. It was a major political force from 1922, when several allied soviets republics united, to 1991, when it broke up. Its very simple to find on any map that has it.&lt;br /&gt;
&lt;br /&gt;
Zaire was one of a series of names for what is today called the Democratic Republic of the Congo. In 1996 a (successful) revolt began to oust the reigning government from power. As part of this revolution, the country was renamed. The origonal name change away from 'Congo' was part of an 'Africanisation' naming campaign, although 'Congo' is in origin an authentic African name for the river that set the boundaries of the nation.  &lt;br /&gt;
&lt;br /&gt;
Serbia and Montenegro were a remnant of Yugoslavia. Montenegro voted to become its own country in 2006.&lt;br /&gt;
&lt;br /&gt;
East Timor is a nation north of Australia and south east of Indonesia. During the dutch colonization of Indonesia east Timor remained in Portuguese hands. While occupied and annexed by Indonesia since 1976, east Timor retained its own culture and voted for independence, then had a nasty militia action that required UN peacekeeping action, and finally become independent in 2002.&lt;br /&gt;
&lt;br /&gt;
In 2011, after a long history of violence between the two portions of the country (which can be characterized as Islamic vs. Christian and Traditional Religions), South Sudan became independent from its northern neighbor.&lt;br /&gt;
&lt;br /&gt;
In 2014, a revolution ousted the current Ukrainian president. The Crimea had its own civil unrest, and Russian troops intervened to restore order. A referendum held during this time has decided in favor of russian annexation. Many nations, including all member states of the EU and the USA, dispute the results of the referendum. &lt;br /&gt;
&lt;br /&gt;
'''This sounds like a physical map or satellite photo''' &lt;br /&gt;
The following questions are about physical geography. Many of these features are not generally tracked accurately in maps - many maps still show the Aral Sea, even though it's now mostly evaporated - but are clearly visible in photos.&lt;br /&gt;
&lt;br /&gt;
'''Is there a big lake in Southern California? (Created by Mistake)''' &lt;br /&gt;
[https://en.wikipedia.org/wiki/Salton_Sea Salton Sea] A previously dry lakebed accidentally flooded in 1905 while attempting to increase irrigation to the area from the Colorado River&lt;br /&gt;
&lt;br /&gt;
'''How far East do the American Prairies reach?'''&lt;br /&gt;
The Northwest Territory was incorporated in pieces ~1820s, there may be something more relevant to draw the line at Indiana though.  Likely this [https://en.wikipedia.org/wiki/Indian_removals_in_Indiana]&lt;br /&gt;
&lt;br /&gt;
'''Is there a big lake in the middle of Ghana? (Created on Purpose)'''&lt;br /&gt;
[https://en.wikipedia.org/wiki/Lake_Volta Lake Volta]&lt;br /&gt;
&lt;br /&gt;
'''The US's southern border looks'''&lt;br /&gt;
[https://en.wikipedia.org/wiki/Gadsden_Purchase Gadsden Purchase]&lt;br /&gt;
&lt;br /&gt;
'''&amp;quot;Buda&amp;quot; and &amp;quot;Pest&amp;quot; or &amp;quot;Budapest&amp;quot;''' [https://en.wikipedia.org/wiki/Budapest#Etymology Buda and Pest] were originally two different cities&lt;br /&gt;
&lt;br /&gt;
'''Rhodesia?''' The dates down the chain suggest this is about [https://en.wikipedia.org/wiki/Rhodesia_(region) Rhodesia the Region] not [https://en.wikipedia.org/wiki/Rhodesia Rhodesia the Unrecognized state] nor [https://en.wikipedia.org/wiki/Southern_Rhodesia Southern Rhodesia] the British Colony&lt;br /&gt;
&lt;br /&gt;
'''Cair Paravel?'''&lt;br /&gt;
Cair Paravel is a castle in the Narnia book series where the Kings and Queens of Old reigned.&lt;br /&gt;
&lt;br /&gt;
'''Calormen?'''&lt;br /&gt;
Calormen is yet another area in the Narnia book series, a country southeast of Narnia.&lt;br /&gt;
&lt;br /&gt;
'''Weird Recursive Heaven?'''&lt;br /&gt;
This refers to the last book in the Narnia series, The Last Battle, where the protagonists find themselves in a &amp;quot;heaven&amp;quot; containing many more of itself.&lt;br /&gt;
&lt;br /&gt;
'''Lotta Islands?'''&lt;br /&gt;
This refers to the Lone Islands, a group of islands of Narnian territory off the country's coast.&lt;br /&gt;
&lt;br /&gt;
'''Beruna (Ford/Bridge)'''&lt;br /&gt;
This refers to both The Lion, The Witch, and the Wardrobe and Prince Caspian; in the former book, set centuries before Prince Caspian, there existed a ford named Beruna. In Prince Caspian, centuries had passed after the preceding book, and the ford eventually turned into a bridge to transport foreign troops.&lt;br /&gt;
&lt;br /&gt;
'''Mossflower'''&lt;br /&gt;
A forest from the [https://en.wikipedia.org/wiki/Redwall Redwall] book series.&lt;br /&gt;
&lt;br /&gt;
(For the Istanbul branch) '''The town on I-25 between Albuquerque and El Paso is [Hot Springs 1948-49] or [Truth or Consequences 1950-52]'''&lt;br /&gt;
I-25 didn't exist for any of the years listed for this item, since the Interstate Highway System wasn't launched until 1956.  The highway designation during the times listed was US 85.  The town continues to be called &amp;quot;Truth or Consequences&amp;quot;, although locals say that it provides more of the latter than of the former.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
&lt;br /&gt;
Guide to figuring out the age of an undated world map&lt;br /&gt;
&lt;br /&gt;
(Assuming it's complete, labeled in english, and detailed enough)&lt;br /&gt;
&lt;br /&gt;
Start:&lt;br /&gt;
* Istanbul or Constantinople?&lt;br /&gt;
** Constantinople:&lt;br /&gt;
*** &amp;lt;span id=&amp;quot;canada-alaska-tokyo&amp;quot;&amp;gt;Do any of these exist? Independent Canada; US Territory of Alaska; Tokyo.&amp;lt;/span&amp;gt;&lt;br /&gt;
**** No:&lt;br /&gt;
***** The Holy Roman Empire?&lt;br /&gt;
****** Yes:&lt;br /&gt;
******* 1805 or earlier (before this point, the modern idea of a complete political map of the world gets hard to apply.)&lt;br /&gt;
****** No:&lt;br /&gt;
******* The United States?&lt;br /&gt;
******** No:&lt;br /&gt;
********* How sure are you that this map is in english?&lt;br /&gt;
******** Yes:&lt;br /&gt;
********* Texas is...&lt;br /&gt;
********** Part of Mexico:&lt;br /&gt;
*********** Florida is part of...&lt;br /&gt;
************ Spain:&lt;br /&gt;
************* Paraguay?&lt;br /&gt;
************** No: '''1806-10'''&lt;br /&gt;
************** Yes: '''1811-17'''&lt;br /&gt;
************ The US:&lt;br /&gt;
************* Venezuela and/or ecuador?&lt;br /&gt;
************** No: '''1818-29'''&lt;br /&gt;
************** Yes: '''1830-33'''&lt;br /&gt;
********** Independent: '''1834-45'''&lt;br /&gt;
********** Part of the US:&lt;br /&gt;
*********** Does Russia border the Sea of Japan?&lt;br /&gt;
************ No:&lt;br /&gt;
************* The US's southern border looks...&lt;br /&gt;
************** Weird: '''1846-53'''&lt;br /&gt;
************** Normal: '''1854-56'''&lt;br /&gt;
************ Yes: '''1858-67'''&lt;br /&gt;
**** Yes:&lt;br /&gt;
***** South Africa?&lt;br /&gt;
****** No:&lt;br /&gt;
******* Rhodesia?&lt;br /&gt;
******** No:&lt;br /&gt;
********* Is Bolivia landlocked?&lt;br /&gt;
********** No:&lt;br /&gt;
*********** &amp;quot;Buda&amp;quot; and &amp;quot;Pest&amp;quot; or &amp;quot;Budapest&amp;quot;?&lt;br /&gt;
************ Buda and Pest: '''1868-72'''&lt;br /&gt;
************ Budapest: '''1873-83'''&lt;br /&gt;
********** Yes: '''1884-95'''&lt;br /&gt;
******** Yes:&lt;br /&gt;
********* Is Norway part of Sweden?&lt;br /&gt;
********** Yes: '''1896-1905'''&lt;br /&gt;
********** No: '''1906-09'''&lt;br /&gt;
****** Yes:&lt;br /&gt;
******* Austria-Hungary?&lt;br /&gt;
******** Yes:&lt;br /&gt;
********* Albania?&lt;br /&gt;
********** No: '''1910-12'''&lt;br /&gt;
********** Yes: '''1913-18'''&lt;br /&gt;
******** No:&lt;br /&gt;
********* Leningrad?&lt;br /&gt;
********** No: '''1919-23'''&lt;br /&gt;
********** Yes: '''1924-29'''&lt;br /&gt;
** Neither:&lt;br /&gt;
*** Does the Ottoman Empire exist?&lt;br /&gt;
**** Yes: '''[[#canada-alaska-tokyo]]'''&lt;br /&gt;
**** No:&lt;br /&gt;
***** The Soviet Union?&lt;br /&gt;
****** Yes:&lt;br /&gt;
******* Saudi Arabia?&lt;br /&gt;
******** Yes:&lt;br /&gt;
********* &amp;lt;span id=&amp;quot;west-africa-french-blob&amp;quot;&amp;gt;Is most of West Africa a giant french blob?&amp;lt;/span&amp;gt;&lt;br /&gt;
********** Yes:&lt;br /&gt;
*********** &amp;lt;span id=&amp;quot;bangladesh&amp;quot;&amp;gt;Bangladesh?&amp;lt;/span&amp;gt;&lt;br /&gt;
************ No:&lt;br /&gt;
************* Is the area south of Lake Victoria...&lt;br /&gt;
************** British:&lt;br /&gt;
*************** The town on I-25 between Albuquerque and El Paso is...&lt;br /&gt;
**************** Hot Springs: '''1948-49'''&lt;br /&gt;
**************** Truth or Consequences: '''1950-52'''&lt;br /&gt;
************** Tanganyika: '''1961-64'''&lt;br /&gt;
************** Tanzania: '''1965-71'''&lt;br /&gt;
************ Yes: '''1972-75'''&lt;br /&gt;
********** No:&lt;br /&gt;
*********** How many Vietnams are there?&lt;br /&gt;
************ Two:&lt;br /&gt;
************* [[#bangladesh]]&lt;br /&gt;
************ One:&lt;br /&gt;
************* Jimmy Carter is...&lt;br /&gt;
************** Being attacked by a giant swimming rabbit: '''April 20, 1979'''&lt;br /&gt;
************** Fine:&lt;br /&gt;
*************** The Sinai is part of what country?&lt;br /&gt;
**************** Israel: '''1976-79'''&lt;br /&gt;
**************** Mostly Israel: '''1980'''&lt;br /&gt;
**************** Mostly Egypt: '''1981'''&lt;br /&gt;
**************** Egypt:&lt;br /&gt;
***************** What's the capital of Micronesia?&lt;br /&gt;
****************** Kolonia:&lt;br /&gt;
******************* Republic of the Upper Volta or Burkina Faso?&lt;br /&gt;
******************** Upper Volta: '''1982-84'''&lt;br /&gt;
******************** 1985-88&lt;br /&gt;
****************** Palikir:&lt;br /&gt;
******************* (number of Yemens) + (number of Germanys) = ?&lt;br /&gt;
******************** Four: '''1989-early 1990'''&lt;br /&gt;
******************** Three: '''mid-1990'''&lt;br /&gt;
******************** Two: '''late 1990-1991'''&lt;br /&gt;
******** No: '''1922-1932'''&lt;br /&gt;
****** No:&lt;br /&gt;
******* North Korea?&lt;br /&gt;
******** Yes:&lt;br /&gt;
********* &amp;lt;span id=&amp;quot;zaire&amp;quot;&amp;gt;Zaire? or: '''&amp;quot;Hong Kong (UK)&amp;quot;&amp;lt;/span&amp;gt;'''&lt;br /&gt;
********** Yes: '''1992-96'''&lt;br /&gt;
********** No:&lt;br /&gt;
*********** Serbia/Montenegro are...&lt;br /&gt;
************ One country:&lt;br /&gt;
************* East Timor?&lt;br /&gt;
************** No: '''1997-2001'''&lt;br /&gt;
************** Yes: '''2002-06'''&lt;br /&gt;
************ Two countries:&lt;br /&gt;
************* How many Sudans are there?&lt;br /&gt;
************** One: '''2007-11'''&lt;br /&gt;
************** Two:&lt;br /&gt;
************** Is Crimea disputed?&lt;br /&gt;
*************** Yes:&lt;br /&gt;
**************** &amp;quot;Colorado&amp;quot; or &amp;quot;Danger—Radioactive Exclusion Zone—Avoid&amp;quot;?&lt;br /&gt;
***************** Colorado: '''2014-21'''&lt;br /&gt;
***************** Danger:&lt;br /&gt;
****************** Does the warning mention the spiders?&lt;br /&gt;
******************* No: '''2022'''&lt;br /&gt;
******************* Yes: '''2023 or later'''&lt;br /&gt;
*************** No: '''2012-13'''&lt;br /&gt;
******** No:&lt;br /&gt;
********* Saint Trimble's Island&lt;br /&gt;
********** No:&lt;br /&gt;
*********** Is Jan Mayen part of the Kingdom of Norway?&lt;br /&gt;
************ Not yet:&lt;br /&gt;
************* [[#canada-alaska-tokyo]]&lt;br /&gt;
************ What?&lt;br /&gt;
************* Can you see the familiar continents?&lt;br /&gt;
************** Yes:&lt;br /&gt;
*************** This sounds like a physical map or satellite photo.&lt;br /&gt;
**************** Yes, that's it&lt;br /&gt;
***************** Is Lake Chad missing?&lt;br /&gt;
****************** No:&lt;br /&gt;
******************* How far east do the American Prairies reach?&lt;br /&gt;
******************** Indiana: '''before 1830'''&lt;br /&gt;
******************** The Mississippi: '''1830s-80s'''&lt;br /&gt;
******************** Nebraska:&lt;br /&gt;
********************* Is there a big lake in the middle of Southern California? (created by mistake)&lt;br /&gt;
********************** No: '''1860s-1900s'''&lt;br /&gt;
********************** Yes: '''1910s'''&lt;br /&gt;
******************** What prairies?&lt;br /&gt;
********************* Is there a big lake in the middle of Ghana? (created on purpose)&lt;br /&gt;
********************** No: '''1920s-50s'''&lt;br /&gt;
********************** Yes: '''1960s-70s'''&lt;br /&gt;
****************** Yes:&lt;br /&gt;
******************* Is the Aral Sea missing?&lt;br /&gt;
******************** No: '''1970s-90s'''&lt;br /&gt;
******************** Yes: '''2000s+'''&lt;br /&gt;
************** No:&lt;br /&gt;
*************** Rivers &amp;quot;Sirion&amp;quot; or &amp;quot;Anduin&amp;quot;?&lt;br /&gt;
**************** Yes:&lt;br /&gt;
***************** Mordor?&lt;br /&gt;
****************** No:&lt;br /&gt;
******************* Beleriand?&lt;br /&gt;
******************** Yes: '''First Age'''&lt;br /&gt;
******************** No: '''Early Second Age'''&lt;br /&gt;
****************** Yes:&lt;br /&gt;
******************* Númenor?&lt;br /&gt;
******************** Yes: '''Late Second Age'''&lt;br /&gt;
******************** No:&lt;br /&gt;
********************* The forest east of the Misty Mountains is...&lt;br /&gt;
********************** Greenwood: '''Early Third Age'''&lt;br /&gt;
********************** Mirkwood: '''Late Third Age'''&lt;br /&gt;
********************** The Wood of Greenleaves: '''Fourth Age'''&lt;br /&gt;
**************** No:&lt;br /&gt;
***************** Cair Paravel?&lt;br /&gt;
****************** Yes:&lt;br /&gt;
******************* Calormen?&lt;br /&gt;
******************** No:&lt;br /&gt;
********************* Lotta Islands?&lt;br /&gt;
********************** No:&lt;br /&gt;
*********************** Beruna&lt;br /&gt;
************************ Ford: '''The Lion, the Witch and the Wardrobe'''&lt;br /&gt;
************************ Bridge:&lt;br /&gt;
********************** Yes: '''Prince Caspian'''&lt;br /&gt;
******************** Yes:&lt;br /&gt;
********************* Weird recursive heaven?&lt;br /&gt;
********************** No: '''one of the random later books'''&lt;br /&gt;
********************** Yes: '''The Last Battle'''&lt;br /&gt;
****************** No:&lt;br /&gt;
******************* Mossflower?&lt;br /&gt;
******************** Yes:&lt;br /&gt;
********************* Redwall&lt;br /&gt;
******************** No:&lt;br /&gt;
********************* Is the world on the back of a turtle?&lt;br /&gt;
********************** Yes: '''Discworld'''&lt;br /&gt;
********************** No:&lt;br /&gt;
*********************** Are you ''sure'' this is a map?&lt;br /&gt;
************************ Yes:&lt;br /&gt;
************************* Did you make it yourself?&lt;br /&gt;
************************** Yes:&lt;br /&gt;
*************************** It's very nice.&lt;br /&gt;
**************************** Thank you!&lt;br /&gt;
************************ No:&lt;br /&gt;
************************* Is it trying to bite you?&lt;br /&gt;
************************** No:&lt;br /&gt;
*************************** Is it larger than a breadbox?&lt;br /&gt;
**************************** Yes: '''tuba'''&lt;br /&gt;
**************************** No: '''stapler'''&lt;br /&gt;
**************************** About the same: '''breadbox'''&lt;br /&gt;
************************** Yes:&lt;br /&gt;
*************************** If you let it go, what does it do?&lt;br /&gt;
**************************** Hisses and runs away: '''cat'''&lt;br /&gt;
**************************** Screeches and flaps around the room breaking things: '''seagull'''&lt;br /&gt;
************ Yes:&lt;br /&gt;
************* Pakistan?&lt;br /&gt;
************** No:&lt;br /&gt;
*************** How many Germanys are there?&lt;br /&gt;
**************** One:&lt;br /&gt;
***************** Persia or Iran?&lt;br /&gt;
****************** Persia: '''1930-34'''&lt;br /&gt;
****************** Iran: '''1935-40'''&lt;br /&gt;
**************** One, but it's ''huge'': '''1941-45'''&lt;br /&gt;
**************** Two: '''1946-47'''&lt;br /&gt;
************** Yes:&lt;br /&gt;
*************** Cambodia?&lt;br /&gt;
**************** No:&lt;br /&gt;
***************** Eritrea is part of...&lt;br /&gt;
****************** Italy:&lt;br /&gt;
******************* Canada is...&lt;br /&gt;
******************** Missing a piece: '''1948'''&lt;br /&gt;
******************** Fine: '''1949-52'''&lt;br /&gt;
****************** Ethiopia: '''1952-53'''&lt;br /&gt;
**************** Yes:&lt;br /&gt;
***************** The United Arab Republic?&lt;br /&gt;
****************** No: '''1954-57'''&lt;br /&gt;
****************** Yes: '''1958-60'''&lt;br /&gt;
********** Yes: '''No, I made that one up.'''&lt;br /&gt;
** Istanbul:&lt;br /&gt;
*** Does the Soviet Union exist?&lt;br /&gt;
**** Yes:&lt;br /&gt;
***** [[#west-africa-french-blob]]&lt;br /&gt;
**** No:&lt;br /&gt;
***** [[#zaire]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Large drawings]]&lt;br /&gt;
[[Category:Maps]]&lt;br /&gt;
[[Category:Time]]&lt;br /&gt;
[[Category:Animals]]&lt;br /&gt;
[[Category:Geography]]&lt;br /&gt;
 &amp;lt;!-- Cat and seagull --&amp;gt;&lt;/div&gt;</summary>
		<author><name>108.162.221.89</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1577:_Advent&amp;diff=101680</id>
		<title>1577: Advent</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1577:_Advent&amp;diff=101680"/>
				<updated>2015-09-14T07:40:54Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.221.89: /* Explanation */ title text&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1577&lt;br /&gt;
| date      = September 14, 2015&lt;br /&gt;
| title     = Advent&lt;br /&gt;
| image     = advent.png&lt;br /&gt;
| titletext = The few dozen doors that have little Christmas trees on them are a nice touch.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|first drafts}}&lt;br /&gt;
An Advent calendar is usually a mean of celebrating the days before Christmas. Each day on the calendar contains a small gift. This comic satirizes the concept by proposing such a calendar that would have one gift for each day one is anticipated to live. Such a calendar would be very morbid and existential. This is especially disturbing when given as a gift because it implies someone has put extensive thought into when the recipient will die.&lt;br /&gt;
&lt;br /&gt;
In Cueball's case, assuming each square in the calendar represents one day, and that the wall he is facing is the entire present he received, the sender of the gift assumes he will live for just under 50 more years. (Each smaller grid is 10×7, and the larger grid is 12×20 smaller grids). Assuming that Cueball is a US male (with a life expectancy of 75.90 years), he is probably 25-26 years old at the time of this comic's publication.&lt;br /&gt;
&lt;br /&gt;
The title text refers back to a standard advent calendar by saying that the Christmases are specially marked.  Referring back to [[1070]], the calendar seems to place Cueball's death between 24 and 60 years in the future.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
&lt;br /&gt;
:[Cueball is looking at a large wall subdivided into a rectangular grid, with each grid subdivided into 70 small drawers]&lt;br /&gt;
:Caption: Unsettling gift: Life expectancy Advent calendar&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;/div&gt;</summary>
		<author><name>108.162.221.89</name></author>	</entry>

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