1331: Frequency - Revision history

TheusafBOT: Reverted edit 385307 by 149.40.62.48 to 385207

2025-08-27T19:38:31Z

Reverted edit 385307 by 149.40.62.48 to 385207

149.40.62.48 at 19:25, 27 August 2025

2025-08-27T19:25:07Z

82.132.244.228: Undo revision 385198 by 149.40.62.48 (talk)

2025-08-27T05:20:52Z

Undo revision 385198 by 149.40.62.48 (talk)

149.40.62.48: /* Events */

2025-08-27T02:51:34Z

‎Events

172.69.214.220: wrong link

2025-05-27T22:33:24Z

wrong link

FaviFake: /* Explanation */

2025-04-28T14:48:25Z

‎Explanation

172.70.58.5: Undo revision 362010 by 162.158.193.150 (talk) Maybe (haven't checked), but please put some more effort into your edit.

2025-01-14T00:39:54Z

Undo revision 362010 by 162.158.193.150 (talk) Maybe (haven't checked), but please put some more effort into your edit.

162.158.193.150 at 00:12, 14 January 2025

2025-01-14T00:12:39Z

Elektrizikekswerk: /* Events */ Birds are hatched, not born

2025-01-09T10:21:51Z

‎Events: Birds are hatched, not born

172.70.85.242: /* Events */ Realised why this one was still very inconsistent. Reference rate is 'per 1000 rotations', so refactoring/rephrasing as appropriate.

2024-10-07T21:47:15Z

‎Events: Realised why this one was still very inconsistent. Reference rate is 'per 1000 rotations', so refactoring/rephrasing as appropriate.

@@ Line 2: / Line 2: @@
 | number    = 1331
 | date      = February 17, 2014
-| title     = poo ass
+| title     = Frequency
 | custom    = <center><table title="This comic shows estimated average frequency. I wanted to include the pitch drop experiment, but it turns out the gif format has some issues with decade-long loops."><tr>
 <td>[[File:heartbeat.gif]]</td>

@@ Line 2: / Line 2: @@
 | number    = 1331
 | date      = February 17, 2014
-| title     = Frequency
+| title     = poo ass
 | custom    = <center><table title="This comic shows estimated average frequency. I wanted to include the pitch drop experiment, but it turns out the gif format has some issues with decade-long loops."><tr>
 <td>[[File:heartbeat.gif]]</td>

@@ Line 76: / Line 76: @@
 ===Events===
 {| class="wikitable sortable"
-!class="unsortable"|Poopy butt
+!class="unsortable"|Picture
 !class="unsortable"|Text
 !Period (seconds)

@@ Line 76: / Line 76: @@
 ===Events===
 {| class="wikitable sortable"
-!class="unsortable"|Picture
+!class="unsortable"|Poopy butt
 !class="unsortable"|Text
 !Period (seconds)

@@ Line 189: / Line 189: @@
 |-
 |[[File:oldfaithful.gif]]
-|Old Faithful erupts||style="text-align:right;" data-sort-value="5640"|5640<br>(94 minutes)||style="text-align:right;" data-sort-value="0.011"|0.011<br>(15&nbsp;per&nbsp;day)||style="text-align:right;"|5,595||{{w|Old Faithful}} is a geyser in {{w|Yellowstone National Park}} in the US, that tends to erupt every 65 or 91 minutes. XKCD's period of 1h 34m falls between the [https://geysertimes.org/geyser.php?id=Old%20Faithful mean and median of recent Old Faithful eruptions] and corresponds to a [http://geysertimes.org/getSingleEruption.php?id=645135 February 16, 2014 eruption].
+|Old Faithful erupts||style="text-align:right;" data-sort-value="5640"|5640<br>(94 minutes)||style="text-align:right;" data-sort-value="0.011"|0.011<br>(15&nbsp;per&nbsp;day)||style="text-align:right;"|5,595||{{w|Old Faithful}} is a geyser in {{w|Yellowstone National Park}} in the US, that tends to erupt every 65 or 91 minutes. XKCD's period of 1h 34m falls between the [https://geysertimes.org/geyser.php?id=Old%20Faithful mean and median of recent Old Faithful eruptions] and corresponds to a [https://geysertimes.org/eruption.php?id=645135 February 16, 2014 eruption].
 |-
 |[[File:shark.gif]]

@@ Line 68: / Line 68: @@
 ==Explanation==
-This comic shows a number of common events, arranged in a grid. Each of the events flashes with its average frequency.
+This comic shows a number of common events, arranged in a grid. Each of the events flashes with its average frequency. For example, statistically a child is born somewhere on the world approximately every 0.24 seconds, or four times per second. Therefore, the tile "One birth" blinks about 4 times per second. A thorough analysis of the frequencies present in this comic and how they relate to the underlying technology (the GIF format) was published as [http://notebooks.jsvine.com/reverse-engineering-xkcd-frequency/ Reverse Engineering xkcd's 'Frequency'].
-For example, statistically a child is born somewhere on the world approximately every 0.24 seconds, or four times per second. Therefore, the tile "One birth" blinks about 4 times per second.
+The table below lists all the events and their periods/frequencies (computed from the GIF loop times). Some events make reference to other comics.
 The title text refers to the {{w|Pitch drop experiment}} which measures the flow of a piece of pitch over many years. At room temperature, tar pitch flows at a very slow rate, taking several years to form a single drop. The title text jokes that Randall tried to include a tile that flashes about once every {{w|decade|ten years}}, but the tiles are all {{w|Animated GIF|animated GIFs}} and while the file format supports animations of any length, the resulting file would be too big (at least 10 megabytes).
 ===Events===

← Older revision		Revision as of 00:39, 14 January 2025
Line 77:		Line 77:

	The table below lists all the events and their periods/frequencies (computed from the GIF loop times). Some events make reference to other comics.		The table below lists all the events and their periods/frequencies (computed from the GIF loop times). Some events make reference to other comics.
−
−	~~is 5th animated comic.~~

	===Events===		===Events===

← Older revision		Revision as of 00:12, 14 January 2025
Line 77:		Line 77:

	The table below lists all the events and their periods/frequencies (computed from the GIF loop times). Some events make reference to other comics.		The table below lists all the events and their periods/frequencies (computed from the GIF loop times). Some events make reference to other comics.
		+
		+	is 5th animated comic.

	===Events===		===Events===

@@ Line 146: / Line 146: @@
 |-
 |[[File:parliament toilet.gif]]
-|A member of the UK parliament flushes a toilet||style="text-align:right;"|10.06||style="text-align:right;"|6||style="text-align:right;"|3,140,000||At the time of this comic, there were 1,430 persons assigned to one or other of the two houses of the UK parliament, meaning that Randall inferred an average of 6 flushes per individual per day. Supposing that they sleep for 6-8 hours and get up to go to the toilet once per night, that means that during the rest of the day they are averaging a trip to the toilet every 3.2 to 3.6 hours. This estimate is somewhat on the high side, but members of parliament, particularly members of the Lords, do skew older, and older people tend to use the toilet more.{{Citation needed}}
+|A member of the UK parliament flushes a toilet||style="text-align:right;"|10.06||style="text-align:right;"|6||style="text-align:right;"|3,140,000||At the time of this comic, there were 1,430 persons assigned to one or other of the two houses of the UK parliament, meaning that Randall inferred an average of 6 flushes per individual per day. Supposing that they sleep for 6-8 hours and get up to go to the toilet once per night, that means that during the rest of the day they are averaging a trip to the toilet every 3.2 to 3.6 hours. This estimate is somewhat on the high side, but members of parliament, particularly members of the Lords, do skew older, and older people tend to use the toilet more.{{Actual citation needed}}
 |-
 |[[File:flight.gif]]
@@ Line 155: / Line 155: @@
 |-
 |[[File:cat mockingbird.gif]]
-|Someone's pet cat kills a mockingbird||style="text-align:right;"|1.82||style="text-align:right;"|33||style="text-align:right;"|17,340,000||Whereas the previous item references the well-known book "To Kill a Mockingbird", this one talks about {{w|Mockingbird|mockingbirds}} being literally killed (in this case, by cats). [http://animaldiversity.ummz.umich.edu/accounts/Mimus_polyglottos/ There are 45 million mockingbirds in the world;] this means that according to Randall, cats kill 39% of mockingbirds in one year, i.e. in 2.5 years they are able to kill all mockingbirds (excluding the ones that are born in the meantime).
+|Someone's pet cat kills a mockingbird||style="text-align:right;"|1.82||style="text-align:right;"|33||style="text-align:right;"|17,340,000||Whereas the previous item references the well-known book "To Kill a Mockingbird", this one talks about {{w|Mockingbird|mockingbirds}} being literally killed (in this case, by cats). [http://animaldiversity.ummz.umich.edu/accounts/Mimus_polyglottos/ There are 45 million mockingbirds in the world;] this means that according to Randall, cats kill 39% of mockingbirds in one year, i.e. in 2.5 years they are able to kill all mockingbirds (excluding the ones that are hatched in the meantime).
 |-
 |[[File:phoenixshoes.gif]]

@@ Line 223: / Line 223: @@
 |-
 |[[File:pulsar.gif]]
-|The star PSR J1748-2446AD rotates 1,000 times||style="text-align:right;"|1.4||style="text-align:right;"|42.9||style="text-align:right;" data-sort-value="22548240000"|22,548,240,000 (~22½ thousand million)||{{w|PSR J1748-2446ad}} is the fastest spinning {{w|pulsar}} known.
+|The star PSR J1748-2446AD rotates 1,000 times||style="text-align:right;"|1.4||style="text-align:right;"|42.9||style="text-align:right;" data-sort-value="22548240"|22,548,240 (×1000 for source rate)||{{w|PSR J1748-2446ad}} is the fastest spinning {{w|pulsar}} known.
 |-
 |[[File:facebook.gif]]