https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&user=Prooffreader&feedformat=atomexplain xkcd - User contributions [en]2024-03-29T14:18:50ZUser contributionsMediaWiki 1.30.0https://www.explainxkcd.com/wiki/index.php?title=Talk:1230:_Polar/Cartesian&diff=42114Talk:1230: Polar/Cartesian2013-06-26T10:48:15Z<p>Prooffreader: </p>
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<div>Heh. Schroedinger's graph. Simultaneously 100% certainty of being Cartesian and 100% certainty of being Polar. [[Special:Contributions/12.117.213.34|12.117.213.34]] 09:03, 26 June 2013 (UTC)<br />
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If you take into account [[833]], this graph shows certainty that you are interpreting it correctly. --[[User:DiEvAl|DiEvAl]] ([[User talk:DiEvAl|talk]]) 09:48, 26 June 2013 (UTC)<br />
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The ambiguity is due to the unlabelled x-axis. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 10:48, 26 June 2013 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1196:_Subways&diff=32850Talk:1196: Subways2013-04-08T15:32:19Z<p>Prooffreader: </p>
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<div>I think the comic is making fun of the ridiculous scale-inaccuracies found in public transport plans, including subway plans, which make it hard to estimate actual distances and travel times. {{unsigned|130.60.152.125}}<br />
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I think it's deffently a factor. <that one editor who always forgets to login><br />
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What does it mean "(with respect to geography)"? As a non US citizen I don't know what is odd about this map. Is this actually how the lines connect up? Are these real stations/lines? Can you really go from san fransisco to new york on subway? {{unsigned|31.221.13.140}}<br />
:Of course not. These are all different subway systems, only connected on this map because their official individual maps use the same colors for different lines. I expect this explanation will be updated to list all the different systems seen here, including Bay Area Rapid Transit (BART) and the New York Subway. [[Special:Contributions/75.37.205.50|75.37.205.50]] 09:30, 8 April 2013 (UTC)<br />
::"I expect this explanation will be updated to list all the different systems seen here" As a New Yorker, I can say that while most of the map is quite accurate, some lines cannot be named because each color belongs to multiple lines (with some exceptions) and Randall has taken some serious liberties at the connections to other systems. (E.g. there is no blue line with one end in Hoboken and the other end at 34th Street, as shown on this map) [[User:Bdemirci|Bdemirci]] ([[User talk:Bdemirci|talk]]) 12:17, 8 April 2013 (UTC) EDIT: That blue line might be part of the NJ Transit, but including a New Jersey line in with the Subway is quite heretical. [[User:Bdemirci|Bdemirci]] ([[User talk:Bdemirci|talk]]) 12:25, 8 April 2013 (UTC)<br />
:::That blue line is part of PATH, a subway between NJ and NYC. It's not part of NJ Transit; it's run by the Port Authority, an agency created by a bi-state compact between NY and NJ. And its official map does indeed use blue for the line from hoboken to 33rd street. [[Special:Contributions/66.202.132.250|66.202.132.250]] 13:57, 8 April 2013 (UTC)<br />
:Also, the comic is using an extremely loose definition of "subway". (Chicago and Cleveland, for example, do not have anything that would fit a normal, dictionary definition of the word. And no, what they do have is certainly not connected in any case -- unless you count highways, in which case the map is ridiculously incomplete.) [[User:Jonadab|Jonadab]] ([[User talk:Jonadab|talk]]) 11:17, 8 April 2013 (UTC)<br />
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:It's often hard to realize the distances involved when one is talking about a country or region one is unfamiliar with. In the case of North America, and this semi-fictitious subway system, the distances between the furthest points is about 3,000 miles (about 5,000km); it would generally take about 2 days of highway driving, with no stops, to get from any one end to the opposite other. Randall took real subway maps from different cities, already not to scale, and fictitiously joined them together as if the cities were right next door to each other and really connected. They are not. In most cases, you have to fly, drive, take a bus, or take a regular (non-subway) train if you wanted to go from one city's subway system to another's. [[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 14:47, 8 April 2013 (UTC)<br />
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Hmmm, there is no mention of the 7 or so underground stations in Edmonton, Canada. It is classified as light rail as opposed to heavy rail but still meets the "pedantic rail enthusiasts" definition included under the comic.<br />
Quote: For the pedantic rail enthusiasts, the definition of a subway used here is, with some caveats, "a network containing high capacity grade-separated passenger rail transit lines which run frequently, serve an urban core, and are underground or elevated for at least part of their downtown route." For the rest of you, the definition is "a bunch of trains under a city.[[Special:Contributions/220.239.66.60|220.239.66.60]] 10:10, 8 April 2013 (UTC)<br />
:I suspect the Edmonton, Alberta system got left out for the same reason as the (similarly sized) Buffalo, NY system got left out. The Buffalo system consists of a single line connecting a dozen or so stations below ground and about 5-6 above ground. It fits the "pedantic rail enthusiasts" definition, with the possible exception of being a "network". But more importantly, since it is a single line, I don't think they color-coded it. Without a color-code, where would it hook into Randal's map? [[User:Blaisepascal|Blaisepascal]] ([[User talk:Blaisepascal|talk]]) 14:14, 8 April 2013 (UTC)<br />
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I don't know the other cities' subway maps well enough, but the NYC map has several jokes in it. The "G" line is listed as having "Random service", which is pretty accurate (it's extremely unreliable). The blue and orange lines in Jamaica (a former independent city now part of the boro of Queens) are listed as coming together in "Kingston", which not in NYC, it's the capital of the island nation of Jamaica. There is a fictional "Puerto Rico Submarine" listed as a complement to the real Staten Island Ferry. The (non-existent) connection from Staten Island NY to DC is listed as the "Robert Moses High speed line", in other words, a freeway such as Robert Moses was known for (presumably I-95, although Moses had nothing to do with that). [[Special:Contributions/66.202.132.250|66.202.132.250]] 13:57, 8 April 2013 (UTC)<br />
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Looks like Randall goofed with one of his jokes. West Trenton is one of the final stops on one of Philadelphia's passenger rail lines (SEPTA). SEPTA isn't really a subway as it's only underground in the city center. But he happened to draw it in the "Cleveland" area of the map, and ended up connecting it to Boston's Cleveland Circle. That doesn't make sense since there's no west trenton in Cleveland. [[Special:Contributions/66.202.132.250|66.202.132.250]] 13:57, 8 April 2013 (UTC)<br />
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Good couple of jokes in the Boston area: 1) The real station of Braintree is accompanied by the fictional stations of Bonevine and Skinflower; 2) Ashmont-Mattapan High Speed Line has conveniently become Ashmont-Manhattan High Speed Line; 3) The Green Line extension currently under development has been rerouted to Canada; 4) The Cleveland Circle Station has become the departure point for the shuttle to Cleveland. [[Special:Contributions/209.6.46.147|209.6.46.147]] 14:26, 8 April 2013 (UTC)<br />
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In Montreal, the Longueuil station is misspelled as "Longueil". --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 15:32, 8 April 2013 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1179:_ISO_8601&diff=29246Talk:1179: ISO 86012013-02-28T13:16:36Z<p>Prooffreader: </p>
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<div>Apparently there are some mistakes in the Roman numerals in the comic, the year MMXII is 2012. Also LVII/CCLXV = 57/265, whereas February 27th is the 58th day of the year (which has 365 days). --[[User:Ulm|ulm]] ([[User talk:Ulm|talk]]) 07:55, 27 February 2013 (UTC)<br />
:Just guessing, but could this have something to do with the divergence of various Roman calendars, e.g. Julian vs. Gregorian? [[Special:Contributions/98.122.166.235|98.122.166.235]] 13:55, 27 February 2013 (UTC)<br />
:Another error: Obviously 1330300800 is intended to be Unix time, but it corresponds to 2012-02-27 00:00:00 UTC. --[[User:Ulm|ulm]] ([[User talk:Ulm|talk]]) 08:10, 27 February 2013 (UTC)<br />
:The day part "57" is not wrong: Since Feb 27 is the 58th day of the year, at the beginning of that day, 57 days have gone by since the year started. (At the end of the day, 58 days have gone by) Since we associate days with their beginning (like we do with e.g. hours and minutes), 57 is the correct number (or else Dec 31 would be 2013+365/365 = 2014, and therefore in the wrong year) -- [[User:Xorg|Xorg]] ([[User talk:Xorg|talk]]) 13:53, 27 February 2013 (UTC)<br />
::The day part is ambiguous. It could be as Xorg suggests, the fraction of the year past at the start of the day. On the other hand it could be interpreted as "day 57 or 365," as with pieces in a shipment or page numbers. In the latter case it should be 58/265. But then, that (ambiguity) is the point, isn't it? [[User:Jqavins|Jqavins]] ([[User talk:Jqavins|talk]]) 17:40, 27 February 2013 (UTC)<br />
::Meanwhile the comic was replaced, with CCLXV corrected to CCCLXV. --[[User:Ulm|ulm]] ([[User talk:Ulm|talk]]) Prima vigilia, XVI Kal. Mar. MMDCCLXVI<br />
::I was just about to publish my theory of how "2012" in the Roman numerals in just the same vein might be intended to indeed represent the year we denote "2013", but by counting only the finished years. This would also connect with the confusion over {{w|year zero}}, another thing that ISO 8601 tried to straighten out. (They placed it before year 1.) Everything fit so well. Then there was an edit conflict, following Randalls correction to "2013". I guess you can't always be right. –[[User:St.nerol|St.nerol]] ([[User talk:St.nerol|talk]]) 23:03, 27 February 2013 (UTC)<br />
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Can anyone explain 01237 (last interpretation before the cat)? Thanks [[Special:Contributions/68.230.38.154|68.230.38.154]] 08:04, 27 February 2013 (UTC)<br />
:The small numbers above and below the larger ones show which digit is used where. For example, the 2nd and 5th digit is a 0, the 3rd digit is a 1 etc. [[Special:Contributions/82.115.151.1|82.115.151.1]] 08:15, 27 February 2013 (UTC)<br />
:01237 are the digits used in the date, and the numbers above and below them reflect the order in which they are written; 0 is the second and fifth<br />
digit, 1 is the third digit, 2 is the first, sixth and seventh digit, 3 is the fourth digit, and 7 is the eighth digit: 20130227 [[User:Bdemirci|Bdemirci]] ([[User talk:Bdemirci|talk]]) 08:15, 27 February 2013 (UTC)<br />
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Someone can explain me what means: ((3+3)×(111+1)-1)×3/3-1/3<sup>3</sup>? {{unsigned|95.23.147.48}}<br />
:Read the comic explanation. '''[[User:Davidy22|<u><font color="purple" title="I want you">David</font><font color="green" size="3px">y</font></u><font color="indigo" size="4px">²²</font>]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 10:58, 27 February 2013 (UTC)<br />
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Many of these format mirror how the dates are spoken in languages. For example, Americans will say "February 27, 2013" and write "2/27/2013", whereas the French will say "27 février 2013" and write "27-02-2013". As a scientist, I was encouraged to write "27 II 2013" (which is apparently standard in Hungary, according to the explanation above) in my lab notebook to avoid ambiguity. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 13:16, 28 February 2013 (UTC)<br />
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A strange thing is that he forgot the form mostly used in Europe: 27.01.2013. --[[User:DaB.|DaB.]] ([[User talk:DaB.|talk]]) 12:44, 27 February 2013 (UTC)<br />
:: That form is mostly used in Germany. Belgium and France use 27/01/2013 more, Netherlands use 27-01-2013. No idea what the UK prefers although I could imagine 01.27.2013.[[Special:Contributions/62.159.14.62|62.159.14.62]] 12:58, 27 February 2013 (UTC)<br />
::: The UK prefers 27/02/2013 --[[User:H|H]] ([[User talk:H|talk]]) 13:20, 27 February 2013 (UTC)<br />
::: That form (27.02.2013) is also common in all of Scandinavia. --[[User:Buggz|Buggz]] ([[User talk:Buggz|talk]]) 14:15, 27 February 2013 (UTC)<br />
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The image text has a subtle twist as "12/01/04" offers no contextual clues to it meaning at all, can be read three different ways : "December 1st 2004", "January 12, 2004" or "January 4th, 2012" (as opposed to, for example, "01/15/98" which could only be interrupted as "January 15th, 1998") [[User:JamesCurran|JamesCurran]] ([[User talk:JamesCurran|talk]]) 14:29, 27 February 2013 (UTC)<br />
: Technically speaking, it could also be interpreted as April 1st 2012 or April 12th 2001, though that would be the least likely interpretation. I personally like spelling out 3 letters of the month and using an apostrophe before the year, such as 27 Feb '13. --[[User:Joehammer79|Joehammer79]] ([[User talk:Joehammer79|talk]]) 15:07, 27 February 2013 (UTC)<br />
:: And of course December, 4th 2001 Sebastian --[[Special:Contributions/178.26.118.249|178.26.118.249]] 19:54, 27 February 2013 (UTC)<br />
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Is there any way to convert the time-stamp placed on these comments to the YYYY-MM-DD format? --16:17, 27 February 2013 (UTC)<br />
: If you're logged in, you can set your [[Special:Preferences#mw-prefsection-datetime|date and time preferences]]. I doubt it will affect the timestamps on this page, though, since those appear to be saved as plain text. --[[User:Aaron of Mpls|Aaron of Mpls]] ([[User talk:Aaron of Mpls|talk]]) 23:01, 27 February 2013 (UTC)<br />
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I feel like the cat thing is a reference to something, but I'm not sure what... is it something? A quick google image search pulls up nothing. --[[User:Jeff|<b><font color="orange">Jeff</font></b>]] ([[User talk:Jeff|talk]]) 17:26, 27 February 2013 (UTC)<br />
: Seems to me that Randall missed an opportunity: Why a cat? Why not a '''bob'''cat? It still could be some other reference that I'm missing too.<br />
:: Black cats are considered unlucky. I don't see any reference beyond that. [[User:Mattflaschen|Mattflaschen]] ([[User talk:Mattflaschen|talk]]) 17:59, 27 February 2013 (UTC)<br />
::: It's taking the last two digits from 2013 and emphasizing triskaidekaphobia. Doing a web image search on "Cat 13" will pull up similar artwork of hissing black cats combined with the number 13, including both flyers for Friday 13th drink specials at bars, and combat airplane noseart. Apparently combining the unlucky "13" with an unlucky black cat emphasized that they were bad luck for the enemy. [[User:Columbus Admission|Columbus Admission]] ([[User talk:Columbus Admission|talk]]) 19:20, 27 February 2013 (UTC) <br />
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Cool, this is my birthday. [[User:Mattflaschen|Mattflaschen]] ([[User talk:Mattflaschen|talk]]) 17:59, 27 February 2013 (UTC)<br />
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"However the list then starts listing formats ranging from uncommon to absurd, such as writing the date partly in Roman numerals [...] " - <br />
My math teacher uses a very similar format (in reverse order, d/m/yy, with m being in Roman numerals, because this is Germany (see above)), so I wouldn't call it absurd. She is the only person I know who uses it though. [[Special:Contributions/87.189.150.212|87.189.150.212]] 19:36, 27 February 2013 (UTC)<br />
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The image and explanation needs to be updated for the corrections. I could do the explanation part, but I have no idea how to do the image part. And one without the other would be confusing for the readers, so I'll leave that to wiki-magic. [[Special:Contributions/76.106.251.87|76.106.251.87]] 21:09, 27 February 2013 (UTC)<br />
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: I updated the image as well as the explanation (and transcript). There is still the error on the Unix timestamp though (will this comic be fixed a third time?...). - [[User:Cos|Cos]] ([[User talk:Cos|talk]]) 21:57, 27 February 2013 (UTC)<br />
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Sweden uses the ISO 8601 format. (If only food producers could understand this as well..)<br />
[[Special:Contributions/46.59.16.141|46.59.16.141]] 21:42, 27 February 2013 (UTC)<br />
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I've learned that no matter the system we use today to communicate with others, it's probably seems silly for someone else. It's great to document what we do and propose it as an option to others, but it will be next to impossible to force them to adopt. When someone will develop a time reference that makes sense to everyone, it will be adopted all over the world without much effort. - e-inspired [[Special:Contributions/24.51.197.187|24.51.197.187]] 19:07, 27 February 2013 (UTC)<br />
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Perhaps the cat (because of the vagueness of the system) was referring to not the 27th of February 2013. but instead referring to the 13th of February in 1327 which would make it Friday the 13th. {{unsigned|66.35.1.98}}<br />
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Just so you know, Explainxkcd wiki uses the ISO certified date standard for its "All Comics" page. '''[[User:Davidy22|<u><font color="purple" title="I want you">David</font><font color="green" size="3px">y</font></u><font color="indigo" size="4px">²²</font>]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 01:57, 28 February 2013 (UTC)<br />
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Personally I've always preferred to use Year-Month-Day my personal stuff. I like it because the format is written the way we write any other number: Most significant to left, least significant to right. I didn't know this was a standardized method and I've always wondered why it wasn't used. Nice to know it is![[Special:Contributions/172.191.224.64|172.191.224.64]] 04:09, 28 February 2013 (UTC)ExternalMonologue<br />
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Personally, I like yyyy-mm-dd because it sorts correctly. I really hate running into a list of dates sorted by month name, or worse, day of the week. I suspect this was part of why ISO chose this format. I've never been able to remember the american vs european ordering... My only other options is: February 27, 2013. [[User:Divad27182|Divad27182]] ([[User talk:Divad27182|talk]]) 12:11, 28 February 2013 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1167:_Star_Trek_into_Darkness&diff=26699Talk:1167: Star Trek into Darkness2013-01-30T16:32:20Z<p>Prooffreader: </p>
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<div>I suspect an allusion to movie title spellings that can be seen on moviez sites, torrent sites etc. -- [[Special:Contributions/193.174.118.70|193.174.118.70]] 08:20, 30 January 2013 (UTC)<br />
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The Associated Press style manual says to capitalize all prepositions that are four letters or more in titles, e.g. Into, Through, etc. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 09:54, 30 January 2013 (UTC)<br />
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This could also have to do with WP's MOS of capitalizing "The first word in a compound preposition (e.g. "Time Out of Mind", "Get Off of My Cloud")".<br />
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However, you cannot simply change the title of a page on WP. This requires actually moving the whole page. [[Special:Contributions/84.208.51.23|84.208.51.23]] 14:02, 30 January 2013 (UTC)<br />
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I think there is a capitalization error in the comic. The second to last 's' should be capitalized in order to match the rest of the pattern in "xX_StAr TrEk InTo DaRkNess_Xx". Unless the author is trying to subtly troll us into arguing about that capitalization... [[User:Sayno2quat|Sayno2quat]] ([[User talk:Sayno2quat|talk]]) 14:31, 30 January 2013 (UTC)<br />
:Non-sense, double consonants should never be capitalized! Unless of course you want to use them for structural purposes, like spacing or framing, obviously.--[[User:Pnariyoshi|Pnariyoshi]] ([[User talk:Pnariyoshi|talk]]) 15:05, 30 January 2013 (UTC)<br />
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I believe Cueball's comment, "I have a new favorite edit war," is refering to the title text in this comic http://xkcd.com/878 about the great debate of HO vs. H0. [[Special:Contributions/206.39.12.245|206.39.12.245]] 15:23, 30 January 2013 (UTC)Pat<br />
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"Magnificient"?<br />
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The actual [http://en.wikipedia.org/wiki/Talk:Star_Trek_into_Darkness#xkcd_Mention Talk Page] of the Wikipedia article in question has an item about this comic. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 16:32, 30 January 2013 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1167:_Star_Trek_into_Darkness&diff=26661Talk:1167: Star Trek into Darkness2013-01-30T09:54:42Z<p>Prooffreader: </p>
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<div>I suspect an allusion to movie title spellings that can be seen on moviez sites, torrent sites etc. -- [[Special:Contributions/193.174.118.70|193.174.118.70]] 08:20, 30 January 2013 (UTC)<br />
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The Associated Press style manual says to capitalize all prepositions that are four letters or more in titles, e.g. Into, Through, etc. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 09:54, 30 January 2013 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1160:_Drop_Those_Pounds&diff=25405Talk:1160: Drop Those Pounds2013-01-14T20:22:36Z<p>Prooffreader: Added signature</p>
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<div>"Dropping Thirty Pounds Fast"? Is that a reference to the projectile weight being approx 30lb and "dropping" it on someone's walls? [[User:DreamingDaemon|DD]] ([[User talk:DreamingDaemon|talk]]) 10:03, 14 January 2013 (UTC)<br />
:I was thinking more along the lines of thirty pounds of blood and dismembered flesh. '''[[User:Davidy22|<span title="I want you."><u><font color="purple" size="2px">David</font><font color="green" size="3px">y</font></u><sup><font color="indigo" size="1px">22</font></sup></span>]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 10:46, 14 January 2013 (UTC)<br />
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A trebuchet works by dropping a large weight connected to the swing arm, thereby propelling the projectile in a parabola (hopefully) towards the target. Thus, by dropping 30 lbs fast, you may literally hit your target. {{unsigned|62.109.36.140}}<br />
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:Anyhow the explanation is a little off. The "subtlety" referred to is not that people tend to ignore weight loss flyers. It is that the flyer ''looks'' like a flyer for a weight loss programme, while it is actually trying to recruit people for something entirely different. Most people would not get this and sign up thinking that they would lose body weight, while they would be signing up for the trebuchet club. The only hint is the drawing, really. I agree with the above comment that the "dropping 30lbs" probably refers to the projectile. [[Special:Contributions/62.25.36.19|62.25.36.19]] 10:52, 14 January 2013 (UTC)<br />
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::Actually - I didn't mean that the 30lbs was the projectile but rather the counterweight propelling the projectile. [[Special:Contributions/62.109.36.140|62.109.36.140]] 12:53, 14 January 2013 (UTC)<br />
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My vote is that 30lbs stands for the projectile. [[Special:Contributions/70.31.159.230|70.31.159.230]] 15:55, 14 January 2013 (UTC)<br />
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30lbs for the projectile is most consistent with the alt-text, which implies that they will be hurling projectiles at the town. A 30lbs counterweight would only be able to fling a projectile an order of magnitude smaller. Also, for medieval trebuchets the "average mass of the projectiles was probably around 50–100 kg" ([http://en.wikipedia.org/wiki/Trebuchet#Counterweight_trebuchet Wikipedia article]) --[[User:Forlackofabettername|Forlackofabettername]] ([[User talk:Forlackofabettername|talk]]) 16:23, 14 January 2013 (UTC)<br />
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:A trebuchet club would likely be building smaller models than the original medieval ones, so my vote is the 30lbs is referring to the counterweight, not the projectile. In a trebuchet, the counterweight drops fast, whereas the projectile doesn't initially drop at all, but it rather launches upwards and sideways; it'll be some time before it starts dropping, and even then not very quickly as the vertical speed takes some time to switch from up to zero, and then finally down, eventually building up speed to something that might be considered "FAST". But the "FAST" is mostly in the horizontal direction rather than seen as a "drop". In the meantime, that counterweight had already dropped more directly a long time ago. --boB<br />
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::Even the projectiles will take more to drop, it still quite "FAST" compare any weight loss program, so I think it can still refer to the projectile. [[User:Arifsaha|Arifsaha]] ([[User talk:Arifsaha|talk]]) 18:17, 14 January 2013 (UTC)<br />
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A what-if wonder: considering a {{w|trebuchet}} is a {{w|weapon}}, will it be legal to own and place a {{w|trebuchet}} in your own {{w|backyard}}? [[User:Arifsaha|Arifsaha]] ([[User talk:Arifsaha|talk]]) 18:20, 14 January 2013 (UTC)<br />
: The art of [http://www.amazon.com/dp/1613740646 backyard ballistics] is a firmly established niche hobby -- presumably for people with really big backyards. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 20:22, 14 January 2013 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1160:_Drop_Those_Pounds&diff=25404Talk:1160: Drop Those Pounds2013-01-14T20:22:11Z<p>Prooffreader: </p>
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<div>"Dropping Thirty Pounds Fast"? Is that a reference to the projectile weight being approx 30lb and "dropping" it on someone's walls? [[User:DreamingDaemon|DD]] ([[User talk:DreamingDaemon|talk]]) 10:03, 14 January 2013 (UTC)<br />
:I was thinking more along the lines of thirty pounds of blood and dismembered flesh. '''[[User:Davidy22|<span title="I want you."><u><font color="purple" size="2px">David</font><font color="green" size="3px">y</font></u><sup><font color="indigo" size="1px">22</font></sup></span>]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 10:46, 14 January 2013 (UTC)<br />
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A trebuchet works by dropping a large weight connected to the swing arm, thereby propelling the projectile in a parabola (hopefully) towards the target. Thus, by dropping 30 lbs fast, you may literally hit your target. {{unsigned|62.109.36.140}}<br />
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:Anyhow the explanation is a little off. The "subtlety" referred to is not that people tend to ignore weight loss flyers. It is that the flyer ''looks'' like a flyer for a weight loss programme, while it is actually trying to recruit people for something entirely different. Most people would not get this and sign up thinking that they would lose body weight, while they would be signing up for the trebuchet club. The only hint is the drawing, really. I agree with the above comment that the "dropping 30lbs" probably refers to the projectile. [[Special:Contributions/62.25.36.19|62.25.36.19]] 10:52, 14 January 2013 (UTC)<br />
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::Actually - I didn't mean that the 30lbs was the projectile but rather the counterweight propelling the projectile. [[Special:Contributions/62.109.36.140|62.109.36.140]] 12:53, 14 January 2013 (UTC)<br />
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My vote is that 30lbs stands for the projectile. [[Special:Contributions/70.31.159.230|70.31.159.230]] 15:55, 14 January 2013 (UTC)<br />
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30lbs for the projectile is most consistent with the alt-text, which implies that they will be hurling projectiles at the town. A 30lbs counterweight would only be able to fling a projectile an order of magnitude smaller. Also, for medieval trebuchets the "average mass of the projectiles was probably around 50–100 kg" ([http://en.wikipedia.org/wiki/Trebuchet#Counterweight_trebuchet Wikipedia article]) --[[User:Forlackofabettername|Forlackofabettername]] ([[User talk:Forlackofabettername|talk]]) 16:23, 14 January 2013 (UTC)<br />
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:A trebuchet club would likely be building smaller models than the original medieval ones, so my vote is the 30lbs is referring to the counterweight, not the projectile. In a trebuchet, the counterweight drops fast, whereas the projectile doesn't initially drop at all, but it rather launches upwards and sideways; it'll be some time before it starts dropping, and even then not very quickly as the vertical speed takes some time to switch from up to zero, and then finally down, eventually building up speed to something that might be considered "FAST". But the "FAST" is mostly in the horizontal direction rather than seen as a "drop". In the meantime, that counterweight had already dropped more directly a long time ago. --boB<br />
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::Even the projectiles will take more to drop, it still quite "FAST" compare any weight loss program, so I think it can still refer to the projectile. [[User:Arifsaha|Arifsaha]] ([[User talk:Arifsaha|talk]]) 18:17, 14 January 2013 (UTC)<br />
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A what-if wonder: considering a {{w|trebuchet}} is a {{w|weapon}}, will it be legal to own and place a {{w|trebuchet}} in your own {{w|backyard}}? [[User:Arifsaha|Arifsaha]] ([[User talk:Arifsaha|talk]]) 18:20, 14 January 2013 (UTC)<br />
: The art of [http://www.amazon.com/dp/1613740646 backyard ballistics] is a firmly established niche hobby -- presumably for people with really big backyards.</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1155:_Kolmogorov_Directions&diff=24269Talk:1155: Kolmogorov Directions2013-01-02T12:24:51Z<p>Prooffreader: </p>
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<div>How does Cueball know that? '''[[User:Davidy22|<span title="I want you."><u><font color="purple" size="2px">David</font><font color="green" size="3px">y</font></u><sup><font color="indigo" size="1px">22</font></sup></span>]]'''[[User talk:Davidy22|<tt>[talk]</tt>]] 05:17, 2 January 2013 (UTC)<br />
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I really like the title text on this one. [[Special:Contributions/108.233.253.211|108.233.253.211]] 07:19, 2 January 2013 (UTC)<br />
: It's reminiscent of "What time is it?" "It's time to buy a watch." --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 12:24, 2 January 2013 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1151:_Tests&diff=23630Talk:1151: Tests2012-12-26T09:13:31Z<p>Prooffreader: </p>
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<div>I would buy one for the people I know, but they apparently cost 140$ upwards. Randall is a rich man. [[User:Davidy22|<span title="I want you."><u><font color="purple" size="2px">David</font><font color="green" size="3px">y</font></u><sup><font color="indigo" size="1px">22</font></sup></span>]][[User talk:Davidy22|<tt>[talk]</tt>]] 08:23, 24 December 2012 (UTC)<br />
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:'ve restored the capital G's: the stain is named after {{w|Hans Christian Gram}}, so should be capitalized. [[Special:Contributions/81.174.149.183|81.174.149.183]] 09:19, 25 December 2012 (UTC)<br />
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Do E. coli bacteria mask the response of Staphylococcus? Do the responses go through the gift wrapping? The gift from the guy should have shown Gram-positive, because of Staphylococcus. Thus the mistake. --[[Special:Contributions/79.201.88.62|79.201.88.62]] 13:08, 25 December 2012 (UTC)<br />
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Of course, the dye used in Gram-staining is DYE and will color hands, clothing, (wrapping) paper, and floors. Megan might not have a bunch of bacteria coated presents (except for the one from That Guy in the title text), and instead she has just ruined her own Christmas. Or made it more awesome, YMMV[[User:FredG|FredG]] ([[User talk:FredG|talk]]) 16:50, 25 December 2012 (UTC)<br />
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I found this funny, especially with it seemingly be tangentially related to [[761|Depth-First Search (DFS)]]. [[User:Genux|Genux]] ([[User talk:Genux|talk]]) 00:42, 26 December 2012 (UTC)<br />
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Most species of Staphylococcus (such as S. epidermidis) are harmless; most strains of E. coli (with the notable exception of O157) are harmless. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 09:13, 26 December 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1151:_Tests&diff=23629Talk:1151: Tests2012-12-26T09:13:04Z<p>Prooffreader: </p>
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<div>I would buy one for the people I know, but they apparently cost 140$ upwards. Randall is a rich man. [[User:Davidy22|<span title="I want you."><u><font color="purple" size="2px">David</font><font color="green" size="3px">y</font></u><sup><font color="indigo" size="1px">22</font></sup></span>]][[User talk:Davidy22|<tt>[talk]</tt>]] 08:23, 24 December 2012 (UTC)<br />
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:'ve restored the capital G's: the stain is named after {{w|Hans Christian Gram}}, so should be capitalized. [[Special:Contributions/81.174.149.183|81.174.149.183]] 09:19, 25 December 2012 (UTC)<br />
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Do E. coli bacteria mask the response of Staphylococcus? Do the responses go through the gift wrapping? The gift from the guy should have shown Gram-positive, because of Staphylococcus. Thus the mistake. --[[Special:Contributions/79.201.88.62|79.201.88.62]] 13:08, 25 December 2012 (UTC)<br />
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Of course, the dye used in Gram-staining is DYE and will color hands, clothing, (wrapping) paper, and floors. Megan might not have a bunch of bacteria coated presents (except for the one from That Guy in the title text), and instead she has just ruined her own Christmas. Or made it more awesome, YMMV[[User:FredG|FredG]] ([[User talk:FredG|talk]]) 16:50, 25 December 2012 (UTC)<br />
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I found this funny, especially with it seemingly be tangentially related to [[761|Depth-First Search (DFS)]]. [[User:Genux|Genux]] ([[User talk:Genux|talk]]) 00:42, 26 December 2012 (UTC)<br />
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Most species of Staphylococcus (such as S. epidermidis) are harmless; most strains or E. coli (with the notable exceptiono of O157) are harmless. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 09:13, 26 December 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1147:_Evolving&diff=22806Talk:1147: Evolving2012-12-14T13:07:11Z<p>Prooffreader: Created page with "Bacteria can indeed "instantly" evolve within a generation instead of waiting for its descendents. It's called horizontal gene transfer and it's the primary mechanism for the ..."</p>
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<div>Bacteria can indeed "instantly" evolve within a generation instead of waiting for its descendents. It's called horizontal gene transfer and it's the primary mechanism for the propagation of antibiotic resistance. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 13:07, 14 December 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1145:_Sky_Color&diff=22420Talk:1145: Sky Color2012-12-10T16:41:58Z<p>Prooffreader: Answered contributor's question about why the sky is never green.</p>
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<div>Of course with '''''vertical''''' mirror vertical axis is selected: perceived switching of left and right (really close with far to mirror surface). When '''standing on''' '''''horizontal''''' mirror we will perceive switching bottom from top. --[[User:JakubNarebski|JakubNarebski]] ([[User talk:JakubNarebski|talk]]) 09:09, 10 December 2012 (UTC)<br />
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You're certainly correct, but I think that the original question is not really asking about text (or other things) which are perpendicular to the mirror, but rather text which is parallel to it (and thus the close vs. far doesn't come into it). For example, when reading signs in your rear view mirror or holding a book in front of your chest while looking in a mirror. I've added a little bit to the explanation to attempt to help clarify what's happening in that situation. I'm not sure if it really helps or not. [[User:KeithyIrwin|KeithyIrwin]] ([[User talk:KeithyIrwin|talk]]) 10:00, 10 December 2012 (UTC)<br />
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Easier way to describe it: Imagine you hold a piece of glas. Write on the glass and hold it in front of the mirror, so that you can see both the original text and the mirrored text. Both versions of the text will look identical. So the mirror doesn't change anything. [[Special:Contributions/62.220.2.194|62.220.2.194]] 11:10, 10 December 2012 (UTC)<br />
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I always wonder: Since the sky goes from red to blue to red and the optical spectrum goes from red to green to blue. How come the sky is never green?<br />
: Because of human color perception. You only perceive green in polychromatic light when said light is stronger in the middle wavelengths than the low or high wavelengths; in other words, you would need a process in the sky that removed ''both'' the high and low wavelengths from white light. As the sun sets, only the lower wavelengths are removed, so you perceive yellows and reds -- this perception of color is "one-sided", i.e. it is not interfered with by even longer wavelengths. By the way, sometimes you do see green briefly in the sky, it's called a [http://en.wikipedia.org/wiki/Green_flash Green Flash]. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 16:41, 10 December 2012 (UTC)<br />
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This sentence doesn't make sense: "(from "his" right to left instead of from "his" left to right)" [[User:Trek7553|Trek7553]] ([[User talk:Trek7553|talk]]) 15:15, 10 December 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1140:_Calendar_of_Meaningful_Dates&diff=20333Talk:1140: Calendar of Meaningful Dates2012-11-29T01:17:47Z<p>Prooffreader: </p>
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<div>Seeing how the (northern hemisphere) summer months are bolder than the winter ones, I remember that someone said that "historical things" like wars and battles used to occur during the good weather months. Same for e.g. romance novels - people date and love on those dates. {{unsigned|81.34.231.6}}<br />
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If the search included Spanish dates in English texts, May 5th would be larger. {{unsigned|214.4.253.121}}<br />
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I wonder if he took into account the month/day swap between the US and UK dating system (among other countries). [[Special:Contributions/76.122.5.96|76.122.5.96]] 14:22, 28 November 2012 (UTC)<br />
:That's a good question. I entered [http://books.google.com/ngrams/graph?content=July+4%2CNovember+5%2C4+July%2C5+November%2CJuly+4th%2CNovember+5th%2C+4th+July%2C+5th+November&year_start=2000&year_end=2008&corpus=15&smoothing=3&share= July 4 and November 5 (Guy Fawkes Day) into Google Ngram], and the difference reflected in the calendar is only apparent when you put the month before the date.--[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 01:11, 29 November 2012 (UTC)<br />
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Interesting about the 11ths -- perhaps that correlates with low passenger loads on airplanes as well, and thus why the 11th was chosen for the attack (the month of September having been chosen for some other reason).[[Special:Contributions/50.0.38.245|50.0.38.245]] 15:33, 28 November 2012 (UTC)<br />
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I second the Spanish language date in English texts. May 5th is routinely routinely called Cinco De Mayo in English. Has Randall weighed in on how this was handled? [[User:Donglebaker|Donglebaker]] ([[User talk:Donglebaker|talk]]) 18:16, 28 November 2012 (UTC) JC<br />
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I also wonder about the difference between the 4th of July (Big 4) and November the 5th (small 5) as being the two "firework" days in US and UK! 4th of July peaks at 0.00003 July the 4th 0.0000001 November the 5th peaks at 0.0000006 and 5th of November peaks at 0.00001 so there are big differences and also whether you pick anything but English 2009. Reader in Invisible Writings --[[Special:Contributions/90.208.142.152|90.208.142.152]] 19:42, 28 November 2012 (UTC)<br />
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The transcript reads "[A regular Gregorian calendar laid out in a grid, with some numbers larger than others.]" In fact, there is no way to tell if this is a Gregorian or a Julian calendar; they both have the same months and days. The Gregorian calendar only differs from the Julian in its leap year rule (it has 3 fewer every 400 years).--[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 01:17, 29 November 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1140:_Calendar_of_Meaningful_Dates&diff=20332Talk:1140: Calendar of Meaningful Dates2012-11-29T01:11:14Z<p>Prooffreader: </p>
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<div>Seeing how the (northern hemisphere) summer months are bolder than the winter ones, I remember that someone said that "historical things" like wars and battles used to occur during the good weather months. Same for e.g. romance novels - people date and love on those dates. {{unsigned|81.34.231.6}}<br />
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If the search included Spanish dates in English texts, May 5th would be larger. {{unsigned|214.4.253.121}}<br />
<br />
I wonder if he took into account the month/day swap between the US and UK dating system (among other countries). [[Special:Contributions/76.122.5.96|76.122.5.96]] 14:22, 28 November 2012 (UTC)<br />
:That's a good question. I entered [http://books.google.com/ngrams/graph?content=July+4%2CNovember+5%2C4+July%2C5+November%2CJuly+4th%2CNovember+5th%2C+4th+July%2C+5th+November&year_start=2000&year_end=2008&corpus=15&smoothing=3&share= July 4 and November 5 (Guy Fawkes Day) into Google Ngram], and the difference reflected in the calendar is only apparent when you put the month before the date.--[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 01:11, 29 November 2012 (UTC)<br />
<br />
Interesting about the 11ths -- perhaps that correlates with low passenger loads on airplanes as well, and thus why the 11th was chosen for the attack (the month of September having been chosen for some other reason).[[Special:Contributions/50.0.38.245|50.0.38.245]] 15:33, 28 November 2012 (UTC)<br />
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I second the Spanish language date in English texts. May 5th is routinely routinely called Cinco De Mayo in English. Has Randall weighed in on how this was handled? [[User:Donglebaker|Donglebaker]] ([[User talk:Donglebaker|talk]]) 18:16, 28 November 2012 (UTC) JC<br />
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I also wonder about the difference between the 4th of July (Big 4) and November the 5th (small 5) as being the two "firework" days in US and UK! 4th of July peaks at 0.00003 July the 4th 0.0000001 November the 5th peaks at 0.0000006 and 5th of November peaks at 0.00001 so there are big differences and also whether you pick anything but English 2009. Reader in Invisible Writings --[[Special:Contributions/90.208.142.152|90.208.142.152]] 19:42, 28 November 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:877:_Beauty&diff=19247Talk:877: Beauty2012-11-23T01:29:59Z<p>Prooffreader: Created page with "In his book ''The Pleasure of Finding Things Out'', Richard Feynman takes exception to the common characterization of scientists as unable to see beauty. He also mentioned thi..."</p>
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<div>In his book ''The Pleasure of Finding Things Out'', Richard Feynman takes exception to the common characterization of scientists as unable to see beauty. He also mentioned this in a [http://www.youtube.com/watch?v=ZbFM3rn4ldo 1981 interview].--[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 01:29, 23 November 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=1133:_Up_Goer_Five&diff=174511133: Up Goer Five2012-11-19T12:45:11Z<p>Prooffreader: /* External Links */</p>
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<div>{{comic<br />
| number = 1133<br />
| date = November 12, 2012<br />
| title = Up Goer Five<br />
| image = up goer five.png<br />
| imagesize = <br />
| titletext = Another thing that is a bad problem is if you're flying up to space and the parts start to fall off your space car in the wrong order. If that happens, it means you won't go to space today, or maybe ever.<br />
}}<br />
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==Explanation==<br />
Most of the jargon used in rocket science is not among the most commonly used words in everyday life. This comic is a commentary on the absurdity of boiling down technical explanations for lay people.<br />
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This comic is a diagram of the {{w|Saturn V}} rocket, "Saturn" isn't a very common word apparently, and neither is rocket, so [[Randall]] decided to use "Up Goer" which is a fair approximation of a craft designed to lift a payload from the earth to space. The Saturn V vehicle, which was in use by {{w|NASA}} from 1967 to 1972, is the vehicle as a whole. The engines of the Saturn V (the part that makes it go up) were divided into three stages. The first stage ({{w|S-IC}}) had five {{w|F-1 (rocket engine|F-1}} engines which burned {{w|RP-1|refined kerosene}} mixed with oxygen as its fuel. That stage burned for 2 minutes 48 seconds and pushed the whole thing up about 61 kilometers (~38 miles) into the sky. After it fell away the {{w|S-II}} stage was activated. It used 5 {{w|J-2 (rocket engine)|J-2}} engines in the same configuration as the F-1s, and burned {{w|liquid hydrogen}} mixed with {{w|liquid oxygen}} for 6 minutes 35 seconds pushing the astronauts up to 184 kilometers (114.5 miles). The third stage ({{w|S-IVB}}) was a single J-2 engine burning liquid hydrogen and liquid oxygen. This stage was used in two parts, the first was to put the spacecraft into a stable orbit around Earth to perform a systems check and make sure the craft will be safe for going to the moon. This would usually take three orbits around Earth. As they came around the Earth they would burn the second part of the fuel, which is called a {{w|trans-lunar injection}} which put them on course for the moon. The first burn took 2 minutes 45 seconds, which put them in orbit 185 kilometers (115 miles) high.<br />
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It was first used as the launch vehicle for the {{w|Apollo 4}} mission, and it was used as the launch vehicle for most of the subsequent {{w|Apollo mission}}s (the exceptions being Apollo 7, Skylab 2-4, and the Apollo-Soyuz Test Project missions, which were launched using the smaller {{w|Saturn IB}} launch vehicle). One of the last missions of this design was the unmanned launch of {{w|Skylab}}, the U.S.'s first space station; for this payloader configuration, the Saturn V launch vehicle was officially designated the {{w|Saturn INT-21}}.<br />
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The Service Module (SM) Oxygen tanks, have a note that "This part had a ''VERY'' big problem once". This is a reference to the {{w|Apollo 13}} mission. 55 hours after launch, mission control requested the oxygen tanks contents be stirred to get an accurate reading of its contents. There was {{w|Apollo 13#Oxygen tank incident|a large bang}}, and power fluctuated throughout the craft. NASA had to scramble to ensure the safe return of the astronauts, needless to say, the moon landing for that mission was canceled.<br />
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The {{w|Hindenburg disaster}} is referenced in the text "The kind of air that once burned a big sky bag and people died and someone said "oh, the [humans]!". The term "big sky bag" is used as the closest approximation of {{w|zeppelin}} which is a big bag filled with a lighter-than-air gas which makes the whole contraption float. The {{w|LZ 129 Hindenburg|Hindenburg}} on the day of the disaster was filled with {{w|hydrogen}}, despite being initially designed for use with {{w|helium}}. Helium is much less prone to catching fire, but was unavailable due to a US export ban on the element. The risks seemed acceptable at the time because the Germans had a history of flying hydrogen-based passenger airships. The original quote is "Oh, the humanity!" [http://www.youtube.com/watch?v=F54rqDh2mWA] (skip to 0:47 for the quote).<br />
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The bottom tank, which [[Randall]] describes as "...full of that stuff they burned in lights before houses had power." is highly refined kerosene, called {{w|RP-1}}, it is similar to jet fuel, burns well and is not likely to explode; unlike {{w|liquid hydrogen}}, which is much more likely to explode.<br />
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==Transcript==<br />
:US Space Team's Up Goer Five<br />
:The only flying space car that's taken anyone to another world (explained using only the ten hundred words people use the most often)<br />
:[A list of Saturn-V parts, top to bottom, with their "Up Goer" description follows]<br />
:[Launch Escape System (LES)]: Thing to help people escape really fast if there's a problem and everthing is on fire so they decide not to go to space<br />
::[LES side nozzle]: Thing to control which direction the escaping people go<br />
::[LES fuel]: Stuff to burn to make the box with the people in it escape ''really fast''<br />
::[LES bottom nozzles]: Place where fire comes out to help them escape<br />
:[Apollo spacecraft]<br />
::[Command Module (CM)]: Part that flies around the other world and comes back home with the people in it and fall in the water.<br />
:::[CM capsule parts]: People box, door, chairs<br />
::[Service Module (SM)]: Part that goes along to give people air, water, computers and stuff. It comes back home with them but burns up without landing.<br />
:::[SM oxygen tanks]: Cold air for burning (and breathing). This part had a ''VERY'' big problem once.<br />
::[Lunar Module (LM)]: Part that flies down to the other world with two people inside<br />
:::[LM descent stage]: Part that stays on the other world (it's still there)<br />
:::[LM feet]: Feet that go on the ground of the other world<br />
:[Instrument Unit]: Ring holding most of the computers<br />
:[S-IVB third stage]: Part that falls off third (this part flew away from our world into space and hit the world we were going toward)<br />
::[Fuel tanks]: Wet and ''<u>very</u>'' cold<br />
:::[Liquid hydrogen (LH2) tank]: The kind of air that once burned a big sky bag and people died and someone said "Oh, the [humans]!" (used for burning)<br />
:::[Liquid oxygen (LOX) tank]: The part of air you need to breathe, but not the other stuff (used for burning)<br />
:::[Helium pressurizing tanks]: Things holding that kind of air that makes your voice funny (it's for filling up the space left when they take the cold air out to burn it.)<br />
::[J-2 engine nozzle]: Fire comes out here<br />
:[S-II second stage]: Part that falls off second<br />
::[LH2 tank]: More sky bag air (for burning) (<u>cold</u> + wet)<br />
::[LOX tank]: More breathing-type air (for burning) (<u>cold</u> + wet)<br />
::[Tank-to-engine fuel lines]: Thing that brings in cold wet air to burn<br />
::[J-2 engine nozzles (qty. 5)]: Fire comes out here<br />
:[S-IC first stage]: Part that falls off first<br />
::[LOX tank]: More breathing-type air (for burning) (<u>cold</u> + wet)<br />
::[Helium pressurizing tank]: More funny voice air (for filling up space)<br />
::[LOX fill line]: Opening for putting in cold wet air<br />
::[RP-1 fuel tank]: This is full of that stuff they burned in lights before houses had power. It goes together with the cold air when it's time to start going up.<br />
::[F-1 engine nozzles (qty. 5)]: Lots of fire comes out here.<br />
:[Bottom of spacecraft]: This end should point toward the ground if you want to go to space. If it starts pointing toward space you are having a bad problem and you will not go to space today.<br />
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==External Links==<br />
*[http://history.msfc.nasa.gov/saturn_apollo/documents/First_Stage.pdf First Stage Fact Sheet]<br />
*[http://history.msfc.nasa.gov/saturn_apollo/documents/Second_Stage.pdf Second Stage Fact Sheet]<br />
*[http://history.msfc.nasa.gov/saturn_apollo/documents/Third_Stage.pdf Third Stage Fact Sheet]<br />
*[http://splasho.com/upgoer5/ The Up-Goer Five Text Editor]<br />
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{{comic discussion}} <br />
[[Category:Comics with color]]<br />
[[Category:Comics with charts]]<br />
[[Category:Language]]</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1132:_Frequentists_vs._Bayesians&diff=16683Talk:1132: Frequentists vs. Bayesians2012-11-09T16:04:09Z<p>Prooffreader: </p>
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<div>Note: taking that bet would be a mistake. If the Bayesian is right, you're out $50. If he's wrong, everyone is about to die and you'll never get to spend the winnings. Of course, this meta-analysis is itself a type of Bayesian thinking, so [http://lmgtfy.com/?q=dunning-kruger+effect Dunning-Kruger Effect] would apply. - [[User:Frankie|Frankie]] ([[User talk:Frankie|talk]]) 13:50, 9 November 2012 (UTC)<br />
: You don't think you could spend fifty bucks in eight minutes? ;-) (PS: wikipedia is probably a better link than lmgtfy: {{w|Dunning-Kruger effect}}) -- [[User:IronyChef|IronyChef]] ([[User talk:IronyChef|talk]]) 15:35, 9 November 2012 (UTC)<br />
Randall has referenced the Labyrinth guards before: [http://xkcd.com/246/ xkcd 246:Labyrinth puzzle]. Plus he has satirized p<0.05 in [http://www.explainxkcd.com/wiki/index.php?title=882:_Significant xkcd 882:Significant]--[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 15:59, 9 November 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1132:_Frequentists_vs._Bayesians&diff=16682Talk:1132: Frequentists vs. Bayesians2012-11-09T15:59:46Z<p>Prooffreader: </p>
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<div>Note: taking that bet would be a mistake. If the Bayesian is right, you're out $50. If he's wrong, everyone is about to die and you'll never get to spend the winnings. Of course, this meta-analysis is itself a type of Bayesian thinking, so [http://lmgtfy.com/?q=dunning-kruger+effect Dunning-Kruger Effect] would apply. - [[User:Frankie|Frankie]] ([[User talk:Frankie|talk]]) 13:50, 9 November 2012 (UTC)<br />
: You don't think you could spend fifty bucks in eight minutes? ;-) (PS: wikipedia is probably a better link than lmgtfy: {{w|Dunning-Kruger effect}}) -- [[User:IronyChef|IronyChef]] ([[User talk:IronyChef|talk]]) 15:35, 9 November 2012 (UTC)<br />
Randall has referenced the Labyrinth guards before: [http://xkcd.com/246/ xkcd:Labyrinth puzzle] --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 15:59, 9 November 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1127:_Congress&diff=15959Talk:1127: Congress2012-10-30T09:12:31Z<p>Prooffreader: /* Definition of Liberal */</p>
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<div>Being a stupidly over political (please don't ask me here, this is an xkcd wiki not reddit) kinda guy, this one really interests me. Another one of those amazing visualizations of real-world facts xkcd is so great at. I have no idea what one might write for an explanation that would be useful. Everything is explained in pretty thorough fashion right on the panel... {{unsigned|Renegade4dio}}<br />
:Well, there's always the transcript for us to <strike>waste time</strike> work on. [[User:Davidy22|Davidy22]] ([[User talk:Davidy22|talk]]) 12:36, 29 October 2012 (UTC)<br />
<br />
== Congress as check ==<br />
<br />
Perhaps a pedantic point, but I couldn't leave the description describing Congress as simply a check on the president. That would imply that the president has free reign (literally) and that Congress only acts (or, more often, doesn't act) to veto the president. That is a much more accurate description of the president's role in legislation (or of a pre-modern English Parliament). {{unsigned|208.32.120.10}}<br />
<br />
==Typo==<br />
There's a typo on the right-hand side of the comic around 1952 - "''Other than these few years after the war; the House [was] under control Democratic control for the entire period ...''". The "was" is missing. [[User:TheHYPO|TheHYPO]] ([[User talk:TheHYPO|talk]]) 15:27, 29 October 2012 (UTC)<br />
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== definition of conservative is pejorative ==<br />
<br />
Conservatives are not interested in preserving wealth amongst those who have it - they are interested in creating as many opportunities to create wealth as possible by reducing unwanted government regulation and returning to constitutional limitations (aka 10th ammendment) on Federal power. A different view of liberty and rights than what liberals maintain, but highly supported - I find your definition to be highly pejorative. [[User:Ghaller825|Ghaller825]] ([[User talk:Ghaller825|talk]]) 18:59, 29 October 2012 (UTC)<br />
<br />
==Errors==<br />
I notice the following: (1) George H.W. Bush is shown as serving in the Senate. He never made it to the Senate, just the House. (2) Abraham Lincoln appears to be shown as serving in the House for about seven years. He only was there for one term (two years). --[[Special:Contributions/99.14.234.119|99.14.234.119]] 02:18, 30 October 2012 (UTC)<br />
<br />
==Definition of Liberal==<br />
<br />
While in the US, liberal might mean left-wing, in the UK it's pretty central and in Australia it's right-wing. Go figure.--[[User:Joe Green|Joe Green]] ([[User talk:Joe Green|talk]]) 04:23, 30 October 2012 (UTC)<br />
:Classical liberalism [http://en.wikipedia.org/wiki/Classical_liberalism] is very different from American liberalism; Americans would recognize it more as Libertarianism. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 09:12, 30 October 2012 (UTC)<br />
<br />
==Typo==<br />
<br />
In the "How Ideology Is Calculated" section, I note "acccounting".--[[User:Joe Green|Joe Green]] ([[User talk:Joe Green|talk]]) 04:23, 30 October 2012 (UTC)<br />
<br />
==Conservative?==<br />
<br />
He didn't exactly say that Conservatives are interested in preserving wealth amongst those who have it; I think the implication is that "if you made it, you should get to keep it" (or as much of it as possible, hence lower taxes). One ''consequence'' of this is that the ''distribution'' of wealth tends to remain static, in that the rich stay rich and the poor stay (relatively) poorer. Whether or not that consequence is an intentional one is perhaps in the eye of the pejoratively-inclined beholder :-)--[[User:Joe Green|Joe Green]] ([[User talk:Joe Green|talk]]) 04:30, 30 October 2012 (UTC)<br />
<br />
:I made an edit to that effect, but it appears to have been wiped out by another editor calling it "right-wing trolling". If you would like to try re-wording it, please do. [[User:Lcarsos|lcarsos]] ([[User talk:Lcarsos|talk]]) 05:05, 30 October 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1127:_Congress&diff=15958Talk:1127: Congress2012-10-30T09:11:18Z<p>Prooffreader: /* Definition of Liberal */</p>
<hr />
<div>Being a stupidly over political (please don't ask me here, this is an xkcd wiki not reddit) kinda guy, this one really interests me. Another one of those amazing visualizations of real-world facts xkcd is so great at. I have no idea what one might write for an explanation that would be useful. Everything is explained in pretty thorough fashion right on the panel... {{unsigned|Renegade4dio}}<br />
:Well, there's always the transcript for us to <strike>waste time</strike> work on. [[User:Davidy22|Davidy22]] ([[User talk:Davidy22|talk]]) 12:36, 29 October 2012 (UTC)<br />
<br />
== Congress as check ==<br />
<br />
Perhaps a pedantic point, but I couldn't leave the description describing Congress as simply a check on the president. That would imply that the president has free reign (literally) and that Congress only acts (or, more often, doesn't act) to veto the president. That is a much more accurate description of the president's role in legislation (or of a pre-modern English Parliament). {{unsigned|208.32.120.10}}<br />
<br />
==Typo==<br />
There's a typo on the right-hand side of the comic around 1952 - "''Other than these few years after the war; the House [was] under control Democratic control for the entire period ...''". The "was" is missing. [[User:TheHYPO|TheHYPO]] ([[User talk:TheHYPO|talk]]) 15:27, 29 October 2012 (UTC)<br />
<br />
== definition of conservative is pejorative ==<br />
<br />
Conservatives are not interested in preserving wealth amongst those who have it - they are interested in creating as many opportunities to create wealth as possible by reducing unwanted government regulation and returning to constitutional limitations (aka 10th ammendment) on Federal power. A different view of liberty and rights than what liberals maintain, but highly supported - I find your definition to be highly pejorative. [[User:Ghaller825|Ghaller825]] ([[User talk:Ghaller825|talk]]) 18:59, 29 October 2012 (UTC)<br />
<br />
==Errors==<br />
I notice the following: (1) George H.W. Bush is shown as serving in the Senate. He never made it to the Senate, just the House. (2) Abraham Lincoln appears to be shown as serving in the House for about seven years. He only was there for one term (two years). --[[Special:Contributions/99.14.234.119|99.14.234.119]] 02:18, 30 October 2012 (UTC)<br />
<br />
==Definition of Liberal==<br />
<br />
While in the US, liberal might mean left-wing, in the UK it's pretty central and in Australia it's right-wing. Go figure.--[[User:Joe Green|Joe Green]] ([[User talk:Joe Green|talk]]) 04:23, 30 October 2012 (UTC)<br />
:Classical liberalism [http://en.wikipedia.org/wiki/Classical_liberalism] is very different from American liberalism; Americans would recognize it more as Libertarianism.<br />
<br />
==Typo==<br />
<br />
In the "How Ideology Is Calculated" section, I note "acccounting".--[[User:Joe Green|Joe Green]] ([[User talk:Joe Green|talk]]) 04:23, 30 October 2012 (UTC)<br />
<br />
==Conservative?==<br />
<br />
He didn't exactly say that Conservatives are interested in preserving wealth amongst those who have it; I think the implication is that "if you made it, you should get to keep it" (or as much of it as possible, hence lower taxes). One ''consequence'' of this is that the ''distribution'' of wealth tends to remain static, in that the rich stay rich and the poor stay (relatively) poorer. Whether or not that consequence is an intentional one is perhaps in the eye of the pejoratively-inclined beholder :-)--[[User:Joe Green|Joe Green]] ([[User talk:Joe Green|talk]]) 04:30, 30 October 2012 (UTC)<br />
<br />
:I made an edit to that effect, but it appears to have been wiped out by another editor calling it "right-wing trolling". If you would like to try re-wording it, please do. [[User:Lcarsos|lcarsos]] ([[User talk:Lcarsos|talk]]) 05:05, 30 October 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1125:_Objects_In_Mirror&diff=15498Talk:1125: Objects In Mirror2012-10-25T11:08:46Z<p>Prooffreader: /* Meat Loaf */</p>
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<div>Anyone else think that the smallness of this comic is unusual? I can barely read the mirror. [[User:TheHYPO|TheHYPO]] ([[User talk:TheHYPO|talk]]) 14:41, 24 October 2012 (UTC)<br />
:Agreed. The key part of the "punchline" is the word "bluer", and it's '''really''' hard to read. [[Special:Contributions/67.51.59.66|67.51.59.66]] 18:43, 24 October 2012 (UTC)<br />
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:The drawing has a different feel too. It seems to have been done with a pressure sensitive pen. Maybe Randall is trying out a new method. A galaxy note maybe? [[User:Fanboix|Fanboix]] ([[User talk:Fanboix|talk]]) 19:40, 24 October 2012 (UTC)<br />
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:Text on the mirror is larger than it appears.<br />
<br />
:It's probably from the viewpoint of the driver.--[[User:Castriff|Jimmy C]] ([[User talk:Castriff|talk]]) 16:49, 24 October 2012 (UTC)<br />
<br />
I think title text refers to the expansion of the universe and the speed of light. The observable universe is viewed from light that originated in the past. The further away the object, the further back in time we observe it. In an expanding universe, the universe we observe today is actually how it looked in the past (smaller) and we are unable to observe it's present size (larger) due to the great distances and the time it takes for the light to arrive. Thus, the universe is larger than it appears, no matter if you view it traveling towards or away from any object. --[[User:Bpiltz|Bpiltz]] ([[User talk:Bpiltz|talk]]) 15:47, 24 October 2012 (UTC)<br />
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If the object in the mirror were another car overtaking this one, it would actually be redder than it appears. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 17:51, 24 October 2012 (UTC)<br />
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My first thought was that the title text refers to the fact that objects appear to be in different directions, as well as colors, from a moving viewpoint. So objects in front of a moving car will appear to be closer together than if the car were stopped. <br />
See http://www.fourmilab.ch/cship/aberration.html<br />
But objects seen in the rear-view mirror will appear more spread out, so maybe not. <br />
<br/>[[Special:Contributions/75.36.234.236|75.36.234.236]] 18:58, 24 October 2012 (UTC)<br />
: Naw, you're thinking too much about this. Randall is just commenting that the universe, (as visible through the relatively small aperature of a windshield or mirror) is much bigger than it appears in either viewport. "There are more things in heaven and earth than are visible through your view-portal, Horatio!" (to paraphrase the Bard.) If that's what he was trying to say in Click and Drag, too, so be it. -- [[Special:Contributions/207.225.239.130|207.225.239.130]] 21:44, 24 October 2012 (UTC)<br />
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I agree, I reckon it just means there is whole lot of universe out there that you can't see, regardless of what direction you're looking or what you're looking at it through. [[User:Brendan|Brendan]] ([[User talk:Brendan|talk]]) 05:57, 25 October 2012 (UTC) BK<br />
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== Meat Loaf ==<br />
<br />
[http://en.wikipedia.org/wiki/Objects_in_the_Rear_View_Mirror_May_Appear_Closer_than_They_Are Objects in the Rear View Mirror May Appear Closer than They Are], anyone? --[[Special:Contributions/137.132.22.191|137.132.22.191]] 07:42, 25 October 2012 (UTC)<br />
:Commenting the same legal notice. There are several pop-culture references to objects-in-mirror. -- [[User:IronyChef|IronyChef]] ([[User talk:IronyChef|talk]]) 04:33, 25 October 2012 (UTC)<br />
:: "Squares may look distant in her rear view mirror but they're actual size as she drives away" -- They Might Be Giants, "She's Actual Size" --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 11:08, 25 October 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1125:_Objects_In_Mirror&diff=15497Talk:1125: Objects In Mirror2012-10-25T11:08:26Z<p>Prooffreader: /* Meat Loaf */</p>
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<div>Anyone else think that the smallness of this comic is unusual? I can barely read the mirror. [[User:TheHYPO|TheHYPO]] ([[User talk:TheHYPO|talk]]) 14:41, 24 October 2012 (UTC)<br />
:Agreed. The key part of the "punchline" is the word "bluer", and it's '''really''' hard to read. [[Special:Contributions/67.51.59.66|67.51.59.66]] 18:43, 24 October 2012 (UTC)<br />
<br />
:The drawing has a different feel too. It seems to have been done with a pressure sensitive pen. Maybe Randall is trying out a new method. A galaxy note maybe? [[User:Fanboix|Fanboix]] ([[User talk:Fanboix|talk]]) 19:40, 24 October 2012 (UTC)<br />
<br />
:Text on the mirror is larger than it appears.<br />
<br />
:It's probably from the viewpoint of the driver.--[[User:Castriff|Jimmy C]] ([[User talk:Castriff|talk]]) 16:49, 24 October 2012 (UTC)<br />
<br />
I think title text refers to the expansion of the universe and the speed of light. The observable universe is viewed from light that originated in the past. The further away the object, the further back in time we observe it. In an expanding universe, the universe we observe today is actually how it looked in the past (smaller) and we are unable to observe it's present size (larger) due to the great distances and the time it takes for the light to arrive. Thus, the universe is larger than it appears, no matter if you view it traveling towards or away from any object. --[[User:Bpiltz|Bpiltz]] ([[User talk:Bpiltz|talk]]) 15:47, 24 October 2012 (UTC)<br />
<br />
If the object in the mirror were another car overtaking this one, it would actually be redder than it appears. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 17:51, 24 October 2012 (UTC)<br />
<br />
My first thought was that the title text refers to the fact that objects appear to be in different directions, as well as colors, from a moving viewpoint. So objects in front of a moving car will appear to be closer together than if the car were stopped. <br />
See http://www.fourmilab.ch/cship/aberration.html<br />
But objects seen in the rear-view mirror will appear more spread out, so maybe not. <br />
<br/>[[Special:Contributions/75.36.234.236|75.36.234.236]] 18:58, 24 October 2012 (UTC)<br />
: Naw, you're thinking too much about this. Randall is just commenting that the universe, (as visible through the relatively small aperature of a windshield or mirror) is much bigger than it appears in either viewport. "There are more things in heaven and earth than are visible through your view-portal, Horatio!" (to paraphrase the Bard.) If that's what he was trying to say in Click and Drag, too, so be it. -- [[Special:Contributions/207.225.239.130|207.225.239.130]] 21:44, 24 October 2012 (UTC)<br />
<br />
I agree, I reckon it just means there is whole lot of universe out there that you can't see, regardless of what direction you're looking or what you're looking at it through. [[User:Brendan|Brendan]] ([[User talk:Brendan|talk]]) 05:57, 25 October 2012 (UTC) BK<br />
<br />
== Meat Loaf ==<br />
<br />
[http://en.wikipedia.org/wiki/Objects_in_the_Rear_View_Mirror_May_Appear_Closer_than_They_Are Objects in the Rear View Mirror May Appear Closer than They Are], anyone? --[[Special:Contributions/137.132.22.191|137.132.22.191]] 07:42, 25 October 2012 (UTC)<br />
:Commenting the same legal notice. There are several pop-culture references to objects-in-mirror. -- [[User:IronyChef|IronyChef]] ([[User talk:IronyChef|talk]]) 04:33, 25 October 2012 (UTC)<br />
:: "Squares may look distant in her rear view mirror but they're actual size as she drives away" -- They Might Be Giants, "She's Actual Size"</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1125:_Objects_In_Mirror&diff=15465Talk:1125: Objects In Mirror2012-10-24T17:51:12Z<p>Prooffreader: </p>
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<div>Anyone else think that the smallness of this comic is unusual? I can barely read the mirror. [[User:TheHYPO|TheHYPO]] ([[User talk:TheHYPO|talk]]) 14:41, 24 October 2012 (UTC)<br />
<br />
Text on the mirror is larger than it appears.<br />
<br />
It's probably from the viewpoint of the driver.--[[User:Castriff|Jimmy C]] ([[User talk:Castriff|talk]]) 16:49, 24 October 2012 (UTC)<br />
<br />
<br />
<br />
I think title text refers to the expansion of the universe and the speed of light. The observable universe is viewed from light that originated in the past. The further away the object, the further back in time we observe it. In an expanding universe, the universe we observe today is actually how it looked in the past (smaller) and we are unable to observe it's present size (larger) due to the great distances and the time it takes for the light to arrive. Thus, the universe is larger than it appears, no matter if you view it traveling towards or away from any object. --[[User:Bpiltz|Bpiltz]] ([[User talk:Bpiltz|talk]]) 15:47, 24 October 2012 (UTC)<br />
<br />
----<br />
<br />
If the object in the mirror were another car overtaking this one, it would actually be redder than it appears. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 17:51, 24 October 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1124:_Law_of_Drama&diff=15256Talk:1124: Law of Drama2012-10-22T11:29:04Z<p>Prooffreader: </p>
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<div>Regarding the transcript: I don't think you have enough data to characterize this short curve as exponential. What does "slightly exponential" mean, anyway? In any case, it looks like it becomes linear as the x values increase. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 11:21, 22 October 2012 (UTC)<br />
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I think Randall thought about the shape of this curve. You see how it becomes linear as both drama and anti-drama declaration increase? At low values, there is a residual amount of drama even when there is little anti-drama declaration, but the marginal increase eventually becomes constant. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 11:28, 22 October 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1124:_Law_of_Drama&diff=15255Talk:1124: Law of Drama2012-10-22T11:28:23Z<p>Prooffreader: </p>
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<div>Regarding the transcript: I don't think you have enough data to characterize this short curve as exponential. What does "slightly exponential" mean, anyway? In any case, it looks like it becomes linear as the x values increase. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 11:21, 22 October 2012 (UTC)<br />
---<br />
I think Randall thought about the shape of this curve. You see how it becomes linear as both drama and anti-drama declaration increase? At low values, there is a residual amount of drama even when there is little anti-drama declaration, but the marginal increase eventually becomes constant. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 11:28, 22 October 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1124:_Law_of_Drama&diff=15254Talk:1124: Law of Drama2012-10-22T11:21:45Z<p>Prooffreader: </p>
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<div>Regarding the transcript: I don't think you have enough data to characterize this short curve as exponential. What does "slightly exponential" mean, anyway? In any case, it looks like it becomes linear as the x values increase. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 11:21, 22 October 2012 (UTC)</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1124:_Law_of_Drama&diff=15253Talk:1124: Law of Drama2012-10-22T11:21:15Z<p>Prooffreader: Created page with "Regarding the transcript: I don't think you have enough data to characterize this short curve as exponential. What does "slightly exponential" mean, anyway? In any case, it lo..."</p>
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<div>Regarding the transcript: I don't think you have enough data to characterize this short curve as exponential. What does "slightly exponential" mean, anyway? In any case, it looks like it becomes linear as the x values increase.</div>Prooffreaderhttps://www.explainxkcd.com/wiki/index.php?title=Talk:1123:_The_Universal_Label&diff=15020Talk:1123: The Universal Label2012-10-19T10:58:58Z<p>Prooffreader: </p>
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<div>The label's missing energy. Just saying. [[User:Davidy22|Davidy22]] ([[User talk:Davidy22|talk]]) 04:34, 19 October 2012 (UTC)<br />
:But isn't it somehow contained in the hydrogen? I don't know squat about quantum physics, so I'm probably wrong. [[Special:Contributions/108.233.253.211|108.233.253.211]] 04:49, 19 October 2012 (UTC)<br />
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::Actually, the amount of energy in any grocery or non-grocery (even in explosives) is significally lower that the amount of energy in hydrogen used for their creation. Sure, you need energy to grow crops, but where does that energy come from? Hydrogen fusion in Sun - which is first step of creating the carbon the crop is from (not the same crop, of course). -- [[User:Hkmaly|Hkmaly]] ([[User talk:Hkmaly|talk]]) 09:12, 19 October 2012 (UTC)<br />
----<br />
So when [http://xkcd.com/282/ Mussolini made the trains run on thyme] he was really making them run on hydrogen '''and''' time?--[[User:Pmakholm|Pmakholm]] ([[User talk:Pmakholm|talk]]) 08:18, 19 October 2012 (UTC)<br />
----<br />
I think this is the smallest xkcd comic ever. :-)<br />
--[[Special:Contributions/85.159.196.21|85.159.196.21]] 09:43, 19 October 2012 (UTC)<br />
<br />
It's also the first in a long time to make me laugh out loud! Steve B.<br />
----<br />
I suspect Randall was influenced by this quote: "Given enough time, hydrogen starts to wonder where it came from, and where it is going", attributed to Edward R. Harrison. --[[User:Prooffreader|Prooffreader]] ([[User talk:Prooffreader|talk]]) 10:58, 19 October 2012 (UTC)</div>Prooffreader