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		<id>https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=173.245.54.169</id>
		<title>explain xkcd - User contributions [en]</title>
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		<updated>2026-04-16T06:22:33Z</updated>
		<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:1454:_Done&amp;diff=80020</id>
		<title>Talk:1454: Done</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:1454:_Done&amp;diff=80020"/>
				<updated>2014-12-01T14:13:53Z</updated>
		
		<summary type="html">&lt;p&gt;173.245.54.169: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;How do we know the girl is in the United States?? [[Special:Contributions/141.101.104.177|141.101.104.177]] 08:54, 1 December 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
Is it a girl? I was thinking the hair is a bit like mick Jaggers... - Palitu {{unsigned ip|108.162.249.223}}&lt;br /&gt;
&lt;br /&gt;
: I think it's a girl, and I think she's in the United States, as xkcd is a US-based comic, and pony-tail is a recurring figure also presumably in the United States. And I think it's all rather sad. Note that she's kneeling on her chair, not sitting - this is more common for girls than guys. My take is that she's the kind of person who can enter into a fantasy relationship with a person she doesn't really know, and then if/when they do ever meet in real life it will all break down because her fantasy is only that, and the real person will not match her expectations at all. --[[User:RenniePet|RenniePet]] ([[User talk:RenniePet|talk]]) 09:37, 1 December 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
:: I look at that she was incredibly lucky - it's a classic internet relationship scam. Maybe I'm just a cynic. There's also the phrase [http://www.macmillandictionary.com/dictionary/british/do-over &amp;quot;Done Over&amp;quot;], although I think it's a British idiom, so I highly doubt it was meant as a double entendre. [[User:Oobayly|Oobayly]] ([[User talk:Oobayly|talk]])&lt;br /&gt;
&lt;br /&gt;
Consider this as a possible reference to Kim Kardashian's photo.. An effect of her trying to &amp;quot;break the internet&amp;quot; -KLee {{unsigned ip|173.245.54.212}}&lt;br /&gt;
&lt;br /&gt;
'''Identity of the writer?'''&lt;br /&gt;
:If the writer is based on a reoccurring character than it has to be either Megan or Danish. Is there a consensus as to who it is?[[Special:Contributions/173.245.56.163|173.245.56.163]]&lt;br /&gt;
&lt;br /&gt;
:: Isn't she Caroline, or 'curly buns'. Similar curly haired girl has appeared in similar roles on several pages but it seems her age isn't entirely set and instead fluctuates according to the call of a particular strip.&lt;br /&gt;
&lt;br /&gt;
I don't think that anyone literally said &amp;quot;shut it down&amp;quot;, I believe it was a rhetoric, at least that's how I read it. [[User:Official.xian|Official.xian]] ([[User talk:Official.xian|talk]]) 11:47, 1 December 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
Oh yes. Forget that the economy would go to hell without Internet. Forget how much science is done using Internet. The real reason for Internet to exist is so you can get in love with someone on different continent. -- [[User:Hkmaly|Hkmaly]] ([[User talk:Hkmaly|talk]]) 12:44, 1 December 2014 (UTC)&lt;br /&gt;
:I'm not so sure... it would seem it was primarily funny cat videos, the funniest possible of which was obviously posted, viewed, and judged as the final necessary use of the internet. It was thus agreed to shut it down, as there is really no need to continue with this charade variously coined as &amp;quot;commerce&amp;quot;, &amp;quot;science&amp;quot;, or other superfluous forms of so-called &amp;quot;communication&amp;quot; (that is the garbled blathering that is not funny cat pictures or videos), all depending of course on your preferred (but nonetheless obviously deluded) persuasion. This comic only serves to prove it. I am left wondering, though... how did Ponytail come to learn this? SMS? Phone Tree? -- [[User:Brettpeirce|Brettpeirce]] ([[User talk:Brettpeirce|talk]]) 13:55, 1 December 2014 (UTC)&lt;br /&gt;
::Is there perhaps a meme going around where instead of &amp;quot;lol&amp;quot; you write &amp;quot;internetover&amp;quot; to say &amp;quot;this is so good/funny, i can now die happy&amp;quot; and the comic author was annoyed with that and made this where the start situation is silly and the end is even sillier? --[[Special:Contributions/108.162.254.163|108.162.254.163]] 14:10, 1 December 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
This could be far more than a romantic involvement. She says she thought she was asking too much. But then she found... a like-minded individual, someone who can... notice the 'glitches in the matrix', as it were. Much more might have been lost here than a believed love. [[Special:Contributions/173.245.54.169|173.245.54.169]] 14:13, 1 December 2014 (UTC)&lt;/div&gt;</summary>
		<author><name>173.245.54.169</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:953:_1_to_10&amp;diff=78562</id>
		<title>Talk:953: 1 to 10</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:953:_1_to_10&amp;diff=78562"/>
				<updated>2014-11-09T22:05:53Z</updated>
		
		<summary type="html">&lt;p&gt;173.245.54.169: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;One of correct answers is P = 1 + 1 - |sgn(10 - 1 - 1)|&lt;br /&gt;
&lt;br /&gt;
(|x| is absolute value of x, sgn(x) is 1 when x &amp;gt; 0, 0 when x = 0, and -1 when x &amp;lt; 0)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
If 10 = 1 + 1, then P = 10 - |sgn(0)| = 10 - |0| = 10&lt;br /&gt;
&lt;br /&gt;
If 10 &amp;gt; 1 + 1, then P = 1 + 1 - |sgn(10 - 1 - 1)| = 1 + 1 - |1| = 1&lt;br /&gt;
&lt;br /&gt;
If 10 &amp;lt; 1 + 1, then P = 1 + 1 - |sgn(10 - 1 - 1)| = 1 + 1 - |-1| = 1&lt;br /&gt;
&lt;br /&gt;
So P is 10 iif the question was is in binary, and 1 iif it was not in binary.&lt;br /&gt;
&lt;br /&gt;
[[Special:Contributions/93.73.186.104|93.73.186.104]] 16:26, 6 February 2013 (UTC)&lt;br /&gt;
:The absolute value is unnecessary. When is 10 ever less than 1+1?[[Special:Contributions/108.162.219.202|108.162.219.202]] 20:28, 3 January 2014 (UTC)&lt;br /&gt;
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I don't think the explanation is right, I mean i don't know binary but i don't think the joke is that he's saying a 4 as in 100% [[User:Lackadaisical|Lackadaisical]] ([[User talk:Lackadaisical|talk]]) 00:23, 7 November 2013 (UTC)&lt;br /&gt;
:A 4 is not 100%, but a 3/4 is always 75%. [[Special:Contributions/108.162.212.206|108.162.212.206]] 22:47, 26 January 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
1.(1) is the best answer I've got [[User:Halfhat|Halfhat]] ([[User talk:Halfhat|talk]]) 11:53, 5 April 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
&amp;quot;How likely&amp;quot; it is? As everyone knows, &amp;quot;every base is base 10&amp;quot;, since every base number in its own numbering system is written as &amp;quot;10&amp;quot; (2 is 10 in binary, 16 is 10 in hex and so on). So that question could be in EVERY number system possible. I suppose the probability is then 1 over an infinite number of systems, then very unlikely, so I'd say (as 0 is not in the range of possible answers) the answer is 1. Which, incidentally, is also an acceptable answer for every system. If we want instead to take into account that Megan doesn't know what a 4 is, the possibilities are only base 2, 3 and 4. So the likeliness is 1/3, which corresponds anyway to 1 in those number systems. --[[Special:Contributions/108.162.229.31|108.162.229.31]] 14:05, 3 June 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
                                                    &lt;br /&gt;
It seems that the best answer to this question is 1.11111... because it approaches 10 in binary, and is very low in almost any other number system.&lt;/div&gt;</summary>
		<author><name>173.245.54.169</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:1426:_Reduce_Your_Payments&amp;diff=76350</id>
		<title>Talk:1426: Reduce Your Payments</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:1426:_Reduce_Your_Payments&amp;diff=76350"/>
				<updated>2014-09-26T09:18:55Z</updated>
		
		<summary type="html">&lt;p&gt;173.245.54.169: added comments about NaBH4&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;It's a chemical reduction. Here's the wiki link: http://en.wikipedia.org/wiki/Reducing_agent[[Special:Contributions/199.27.133.109|199.27.133.109]] 04:25, 26 September 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
This needs more help by a professional chemist... And I need to go to work... So if anyone continues clarification work - thanks, else I'll do a little more after work/afterwards[[User:Tier666|Tier666]] ([[User talk:Tier666|talk]]) 05:21, 26 September 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
I tried to clear up some things, but I am not a chemestry expert either.. --[[User:Flai|Flai]] ([[User talk:Flai|talk]]) 06:31, 26 September 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
Hints (just looked into lit a little bit): NaBH&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt; would not really reduce the paper (make it vanish by reducing the cellulose to something like http://en.wikipedia.org/wiki/Sorbitol ) but may reduce (and so &amp;quot;vanishing&amp;quot;) the ink: http://www.jeb.co.in/journal_issues/200911_nov09/paper_05.pdf http://www.deepdyve.com/lp/de-gruyter/degradation-of-cellulose-by-sodium-borohydride-b1EI17tyhs --&amp;gt; You can use a little bit of NaBH&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt; to make whiter paper[[User:Tier666|Tier666]] ([[User talk:Tier666|talk]]) 08:15, 26 September 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
Google Sodium Borohydride + Paper and the majority of results are based on its use to bleach the pulp during manufacture. A quick search doesn't yield any obvious results on the effects on printed paper. --[[User:Pudder|Pudder]] ([[User talk:Pudder|talk]]) 09:10, 26 September 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
Look at that! My chemistry degree comes in handy for once! NaBH4 is used for lots of reductions in organic synthesis. The fact that he is using it on paper (an organic substance) doesn't seem to add to the comic in my opinion. NaBH4 is one of the strongest reducers, so I think it's more of an archetypal reference rather than a specific reference. My two cents. Also I fixed the explanation of reduction.&lt;br /&gt;
[[Special:Contributions/173.245.54.169|173.245.54.169]] 09:18, 26 September 2014 (UTC)&lt;/div&gt;</summary>
		<author><name>173.245.54.169</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1426:_Reduce_Your_Payments&amp;diff=76349</id>
		<title>1426: Reduce Your Payments</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1426:_Reduce_Your_Payments&amp;diff=76349"/>
				<updated>2014-09-26T09:10:42Z</updated>
		
		<summary type="html">&lt;p&gt;173.245.54.169: I added a more complete understanding of reduction. it doesn't have to involve oxygen, but it must involve electrons.&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1426&lt;br /&gt;
| date      = September 26, 2014&lt;br /&gt;
| title     = Reduce Your Payments&lt;br /&gt;
| image     = reduce_your_payments.png&lt;br /&gt;
| titletext = I tried oxidizing them, but your bank uses some really weird paper and it wouldn't light.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|This explanation states what is obvious in the comic without explaining. A description of Sodium borohydride's effects on paper are required. }}&lt;br /&gt;
&lt;br /&gt;
[[Black Hat]] walks into a room where [[Cueball]] sits in an armchair. Black Hat says to Cueball that he can reduce his mortgage bills, while holding a docket of paper, presumably Cueball's bill. Black Hat uses the same formulation many internet advertisements use: &amp;quot;Discover this (strange/new/amazing...) trick to (lose weight/reduce your mortgage bills/meet amazing women)&amp;quot; to gather clicks. Cueball wants to know how and Black Hat responds by mentioning {{w|Sodium_borohydride|sodium borohydride (NaBH&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;)}}.&lt;br /&gt;
&lt;br /&gt;
Sodium borohydride is a strong {{w|Reducing_agent|reducing agent}}, meaning in a chemical reaction it will &amp;quot;reduce&amp;quot; something else, by contributing (an) electron(s). It is in fact used during the [http://www.borax.com/library/articles/news-and-events/news-release/paper's-tiger manufacture of paper], in order to bleach the pulp and improve the resulting papers properties.&lt;br /&gt;
&lt;br /&gt;
This comic is a typical switcharound pun. Cueball expects the value (on a bill) you have to pay reduced, while Black Hat uses the chemical meaning of reducing. Cueball, realizing this, then proceeds to say &amp;quot;I hate you&amp;quot;, when he realizes the pun. &lt;br /&gt;
&lt;br /&gt;
The title text implies that Black Hat has already attempted to oxidize (as the contrary of the chemical &amp;quot;reduce&amp;quot;) the paper mortgage bill by burning it but the paper would not light.&lt;br /&gt;
&lt;br /&gt;
Black Hat's &amp;quot;weird trick&amp;quot; actually works, yet in an unexpected manner, and does not solve the actual problem.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Cueball sits on a sofa and Blackhat walks into the frame from behind.]&lt;br /&gt;
:Blackhat: I discovered this weird trick for reducing your mortgage payments!&lt;br /&gt;
:Cueball: What?&lt;br /&gt;
:Blackhat: Sodium borohydride.&lt;br /&gt;
:Cueball: ...I hate you.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;/div&gt;</summary>
		<author><name>173.245.54.169</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:1400:_D.B._Cooper&amp;diff=75349</id>
		<title>Talk:1400: D.B. Cooper</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:1400:_D.B._Cooper&amp;diff=75349"/>
				<updated>2014-09-06T10:11:45Z</updated>
		
		<summary type="html">&lt;p&gt;173.245.54.169: Cooper's fate is now known&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Feels like a conspiracy(?) [[Special:Contributions/108.162.227.35|108.162.227.35]] 12:15, 28 July 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
Isn't it a reference to the Malaysia Airlines conspiracy theory? http://humansarefree.com/2014/07/busted-mh-17-was-in-fact-lost-flight-mh.html?m=0&lt;br /&gt;
- Renee [[Special:Contributions/108.162.245.75|108.162.245.75]] 00:44, 29 July 2014 (UTC)&lt;br /&gt;
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:No.[[Special:Contributions/141.101.98.12|141.101.98.12]] 10:31, 29 July 2014 (UTC)&lt;br /&gt;
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Oh, this is a hilarious comic! --[[User:Dangerkeith3000|Dangerkeith3000]] ([[User talk:Dangerkeith3000|talk]]) 15:14, 28 July 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
Could someone explain what &amp;quot;the Citizen Kane of ____&amp;quot; is all about? --[[User:NeatNit|NeatNit]] ([[User talk:NeatNit|talk]]) 17:05, 28 July 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
: &amp;quot;Citizen Kane&amp;quot; is regarded as a masterpiece landmark film, and other films are often compared to it as a highly favorable compliment. [[Special:Contributions/173.245.52.211|173.245.52.211]] 18:08, 28 July 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
: &amp;quot;Citizen Kane&amp;quot; as a reference point here is more meaningful that that. Apart from being a landmark film, &amp;quot;Citizen Kane&amp;quot; was also made by a movie-newbie at that day, namely Orson Welles, who not only played the title role, but also directed, co-wrote and co-produced the movie, very much like Wiseau did with his landmark film; the only significant difference thus being &amp;quot;Citizen Kane&amp;quot; the best and &amp;quot;The Room&amp;quot; the worst movie ever made.  [[Special:Contributions/141.101.88.223|141.101.88.223]] 13:14, 30 July 2014 (UTC)&lt;br /&gt;
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This is really just a curiosity, but what is unusual about the phrasing &amp;quot;You are tearing me apart&amp;quot;? (I'm obviously not a native speaker) [[User:Ly mar|Ly mar]] ([[User talk:Ly mar|talk]]) 17:12, 28 July 2014 (UTC)&lt;br /&gt;
* Beyond using &amp;quot;You are&amp;quot; instead of &amp;quot;You're&amp;quot;, not much. The oddness of the line is mostly through the delivery in the film, not the grammar. [[User:ImVeryAngryItsNotButter|ImVeryAngryItsNotButter]] ([[User talk:ImVeryAngryItsNotButter|talk]]) 17:14, 28 July 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
;photograph&lt;br /&gt;
&lt;br /&gt;
Is this the first xkcd to feature a full color photograph of a person? [[Special:Contributions/108.162.216.52|108.162.216.52]] 17:38, 28 July 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
;con·tem·po·rar·y&lt;br /&gt;
&lt;br /&gt;
adjective: contemporary&lt;br /&gt;
&lt;br /&gt;
    1.&lt;br /&gt;
    living or occurring at the same time.&lt;br /&gt;
    &amp;quot;the event was recorded by a contemporary historian&amp;quot;&lt;br /&gt;
        dating from the same time.&lt;br /&gt;
        &amp;quot;this series of paintings is contemporary with other works in an early style&amp;quot;&lt;br /&gt;
        synonyms:	of the time, of the day, contemporaneous, concurrent, coeval, coexisting, coexistent More&lt;br /&gt;
        &amp;quot;contemporary sources&amp;quot;&lt;br /&gt;
    2.&lt;br /&gt;
    belonging to or occurring in the present.&lt;br /&gt;
    &amp;quot;the tension and complexities of our contemporary society&amp;quot;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;quot;In 1971, a man referred to by the media as D. B. Cooper hijacked a Boeing 727 and escaped with the '''contemporary''' equivalent of over $1 million in ransom money.&amp;quot;&lt;br /&gt;
&lt;br /&gt;
So that can be either 1971 dollars (contemporary to D. B. Cooper's time) or 2014 dollars (contemporary to the present time). &lt;br /&gt;
&lt;br /&gt;
(A lot of people think definition no. 2 is the only definition, but it isn't.)&lt;br /&gt;
&lt;br /&gt;
--[[User:RenniePet|RenniePet]] ([[User talk:RenniePet|talk]]) 00:49, 29 July 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
:I appreciate your work to improve the explanations here. But, such theatrics over a one word edit are unnecessary. [[User:Lcarsos|lcarsos]]&amp;lt;span title=&amp;quot;I'm an admin. I can help.&amp;quot;&amp;gt;_a&amp;lt;/span&amp;gt; ([[User talk:Lcarsos|talk]]) 02:14, 29 July 2014 (UTC)&lt;br /&gt;
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::I've changed it now so it's clearer anyway[[Special:Contributions/141.101.98.12|141.101.98.12]] 10:31, 29 July 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
I created an account solely so I could remove the anomalous use of &amp;quot;beg the question&amp;quot;. [http://begthequestion.info/]  [[User:Gidklio|Gidklio]] ([[User talk:Gidklio|talk]]) 04:31, 29 July 2014 (UTC)&lt;br /&gt;
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What is a &amp;quot;European accent&amp;quot;? Any accent that is not Indian, Chinese, or Japanese? --[[User:Frerin|Frerin]] ([[User talk:Frerin|talk]]) 10:15, 29 July 2014 (UTC)&lt;br /&gt;
: Yeah - or Australian, or Inuit, or African, or South American or any other accent that's not from a cultural/language group primary to Europe (and definitely not North American [clear from the context of the sentence]), but more specifically, not any European form of English (so, perhaps, Icelandic, Polish, Czech, Bulgarian, and many other possibilities) which might be hard for an untrained listener to specifically identify as anything but &amp;quot;European&amp;quot;. Many languages have commonalities due to geographic proximity, not only in terms of accent, but also syntax and vocabulary, which would modify the learners' ability to accurately acquire and render a foreign language in the same ways. That is, someone who natively speaks Portuguese and someone who natively speaks French will have similar troubles in learning subtleties of American English but which would contrast from those troubles encountered by someone who's native language is Hindi, Tagalog, or Yoruba. [[User:Brettpeirce|Brettpeirce]] ([[User talk:Brettpeirce|talk]]) 13:41, 29 July 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
According to one reddit user, Tommy Wiseau is from Poland, and his last name was &amp;quot;Wieczór&amp;quot; [meaning &amp;quot;Evening&amp;quot;] or variation of it. [[Special:Contributions/141.101.88.219|141.101.88.219]] 17:10, 2 August 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
Just popping in to note that Cooper's fate is no longer unknown, his niece came forward in 2011. He was survived the jump with some injuries but had lost the money in the process. Real name Lynn Doyle Cooper, died 1999.&lt;/div&gt;</summary>
		<author><name>173.245.54.169</name></author>	</entry>

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