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		<id>https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=2989%3A_Physics_Lab_Thermostat</id>
		<title>2989: Physics Lab Thermostat - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=2989%3A_Physics_Lab_Thermostat"/>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;action=history"/>
		<updated>2026-04-08T12:29:28Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.30.0</generator>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=357537&amp;oldid=prev</id>
		<title>CalibansCreations: /* Transcript */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=357537&amp;oldid=prev"/>
				<updated>2024-11-21T12:33:48Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Transcript&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 12:33, 21 November 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l17&quot; &gt;Line 17:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 17:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Transcript==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{incomplete transcript|Do NOT delete this tag too soon.}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[A black circular dial is shown with a white indicator line at the upper right. The label above the dial, enclosed in a rectangular box, says:]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;:[A black circular dial is shown with a white indicator line at the upper right. The label above the dial, enclosed in a rectangular box, says:]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>CalibansCreations</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=356918&amp;oldid=prev</id>
		<title>162.158.137.212: Undo revision 356901 by NOTRUMPWON2024MAGAFORLIFE (talk) rv vandalism</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=356918&amp;oldid=prev"/>
				<updated>2024-11-14T23:51:24Z</updated>
		
		<summary type="html">&lt;p&gt;Undo revision 356901 by &lt;a href=&quot;/wiki/index.php/Special:Contributions/NOTRUMPWON2024MAGAFORLIFE&quot; title=&quot;Special:Contributions/NOTRUMPWON2024MAGAFORLIFE&quot;&gt;NOTRUMPWON2024MAGAFORLIFE&lt;/a&gt; (&lt;a href=&quot;/wiki/index.php?title=User_talk:NOTRUMPWON2024MAGAFORLIFE&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:NOTRUMPWON2024MAGAFORLIFE (page does not exist)&quot;&gt;talk&lt;/a&gt;) rv vandalism&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 23:51, 14 November 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot; &gt;Line 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation== &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which would be disturbing as a lot of what our current understanding of physics assumes it can't be. Thankfully, in reality there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which would be disturbing as a lot of what our current understanding of physics assumes it can't be. Thankfully, in reality there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>162.158.137.212</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=356901&amp;oldid=prev</id>
		<title>NOTRUMPWON2024MAGAFORLIFE at 23:39, 14 November 2024</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=356901&amp;oldid=prev"/>
				<updated>2024-11-14T23:39:47Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 23:39, 14 November 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot; &gt;Line 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation== &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE NOTRUMPWON2024MAGAFORLIFE&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which would be disturbing as a lot of what our current understanding of physics assumes it can't be. Thankfully, in reality there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which would be disturbing as a lot of what our current understanding of physics assumes it can't be. Thankfully, in reality there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>NOTRUMPWON2024MAGAFORLIFE</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=353769&amp;oldid=prev</id>
		<title>172.69.195.105: add missing word</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=353769&amp;oldid=prev"/>
				<updated>2024-10-23T14:28:14Z</updated>
		
		<summary type="html">&lt;p&gt;add missing word&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 14:28, 23 October 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which would be disturbing as a lot of what our current understanding of physics assumes can't be. Thankfully, in reality there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which would be disturbing as a lot of what our current understanding of physics assumes &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;it &lt;/ins&gt;can't be. Thankfully, in reality there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant might correspond to (or feel like?) apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant might correspond to (or feel like?) apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.69.195.105</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=352183&amp;oldid=prev</id>
		<title>172.71.26.47: /* Explanation */ Don't like this wording, but simplest fix to a strangely mashdd-toge5he4 phrase.</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=352183&amp;oldid=prev"/>
				<updated>2024-10-07T06:50:44Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; Don&amp;#039;t like this wording, but simplest fix to a strangely mashdd-toge5he4 phrase.&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 06:50, 7 October 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which would be disturbing as a lot of our current understanding of physics assumes &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;it &lt;/del&gt;can't. Thankfully, in reality there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which would be disturbing as a lot of &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;what &lt;/ins&gt;our current understanding of physics assumes can't &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;be&lt;/ins&gt;. Thankfully, in reality there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant might correspond to (or feel like?) apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant might correspond to (or feel like?) apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.71.26.47</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=352180&amp;oldid=prev</id>
		<title>172.71.211.19: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=352180&amp;oldid=prev"/>
				<updated>2024-10-07T03:53:47Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 03:53, 7 October 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is absurd because the Boltzmann constant has always been assumed to &lt;/del&gt;be &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the same throughout the universe&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;In &lt;/del&gt;reality&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/del&gt;there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;would &lt;/ins&gt;be &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;disturbing as a lot of our current understanding of physics assumes it can't&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Thankfully, in &lt;/ins&gt;reality there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant might correspond to (or feel like?) apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant might correspond to (or feel like?) apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.71.211.19</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=351834&amp;oldid=prev</id>
		<title>172.70.85.243 at 17:05, 1 October 2024</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=351834&amp;oldid=prev"/>
				<updated>2024-10-01T17:05:03Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 17:05, 1 October 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Explanation==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{incomplete|Created by ChatGPT, an actual bot, with the help of human copyeditors and critics as found on the talk page. Do NOT delete this tag too soon.}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which is absurd because the Boltzmann constant has always been assumed to be the same throughout the universe. In reality, there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a {{w|thermostat}} in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which is absurd because the Boltzmann constant has always been assumed to be the same throughout the universe. In reality, there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.70.85.243</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=351792&amp;oldid=prev</id>
		<title>108.162.246.51: /* Explanation */ wikilink main subject</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=351792&amp;oldid=prev"/>
				<updated>2024-10-01T09:03:08Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; wikilink main subject&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 09:03, 1 October 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l12&quot; &gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{incomplete|Created by ChatGPT, an actual bot, with the help of human copyeditors and critics as found on the talk page. Do NOT delete this tag too soon.}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{incomplete|Created by ChatGPT, an actual bot, with the help of human copyeditors and critics as found on the talk page. Do NOT delete this tag too soon.}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a thermostat in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which is absurd because the Boltzmann constant has always been assumed to be the same throughout the universe. In reality, there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{w|&lt;/ins&gt;thermostat&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;}} &lt;/ins&gt;in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which is absurd because the Boltzmann constant has always been assumed to be the same throughout the universe. In reality, there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant might correspond to (or feel like?) apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant might correspond to (or feel like?) apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>108.162.246.51</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=351589&amp;oldid=prev</id>
		<title>172.70.91.58: /* Explanation */ If one knows what 15°C feels like, and is then subjected to boltzmann-shifted air of the same energy as before, does it even matter what 'temperature' it is if one feels the same energy input from that air?</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=351589&amp;oldid=prev"/>
				<updated>2024-09-29T08:13:50Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; If one knows what 15°C feels like, and is then subjected to boltzmann-shifted air of the same energy as before, does it even matter what &amp;#039;temperature&amp;#039; it is if one feels the same energy input from that air?&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 08:13, 29 September 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l14&quot; &gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a thermostat in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which is absurd because the Boltzmann constant has always been assumed to be the same throughout the universe. In reality, there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a thermostat in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which is absurd because the Boltzmann constant has always been assumed to be the same throughout the universe. In reality, there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant might feel like apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant might &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;correspond to (or &lt;/ins&gt;feel like&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;?) &lt;/ins&gt;apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text builds on the absurdity of being able to adjust the Boltzmann constant. It suggests that if the constant could be changed, hopefully it would only affect the air in the room and not other substances. In particular, the metabolism of the room's occupants is hopefully unaffected. Imagining that this strange version of an HVAC ({{w|heating, ventilation, and air conditioning}}) system could contain such a change to ''just'' the room's air shows the ridiculousness of trying to isolate the effects of altering a universal constant.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text builds on the absurdity of being able to adjust the Boltzmann constant. It suggests that if the constant could be changed, hopefully it would only affect the air in the room and not other substances. In particular, the metabolism of the room's occupants is hopefully unaffected. Imagining that this strange version of an HVAC ({{w|heating, ventilation, and air conditioning}}) system could contain such a change to ''just'' the room's air shows the ridiculousness of trying to isolate the effects of altering a universal constant.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.70.91.58</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=351578&amp;oldid=prev</id>
		<title>172.68.23.233: /* Explanation */ better wording</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2989:_Physics_Lab_Thermostat&amp;diff=351578&amp;oldid=prev"/>
				<updated>2024-09-29T01:12:34Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Explanation: &lt;/span&gt; better wording&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 01:12, 29 September 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l14&quot; &gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a thermostat in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which is absurd because the Boltzmann constant has always been assumed to be the same throughout the universe. In reality, there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This comic is about a thermostat in a physics lab which, instead of controlling the air temperature, adjusts the {{w|Boltzmann constant}} in the immediate area, a value relating temperature to energy equal to 1.38×10&amp;lt;sup&amp;gt;−23&amp;lt;/sup&amp;gt; J/K, where J is {{w|joule}}s, a unit of energy, and K is {{w|kelvin}}, a unit of temperature. The dial shows different values for the constant, implying that it can be changed, which is absurd because the Boltzmann constant has always been assumed to be the same throughout the universe. In reality, there is no way to change the Boltzmann constant, so the comic is making fun of the idea of a scientist casually adjusting a fixed law of physics as if it were something simple like room temperature.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;may correspond to &lt;/del&gt;apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the Boltzmann constant could be changed, it would affect how we experience temperature. The energy range on the dial relative to the actual Boltzmann constant &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;might feel like &lt;/ins&gt;apparent temperatures of 15°C (59°F) on the left, to 29°C (84°F) on the right, because raising the value of the constant would decrease the apparent temperature. There have previously been control panels for properties of the universe in [[1620: Christmas Settings]] and [[1763: Catcalling]]. A thermometer including units compatible with this thermostat (after dividing by 2/3) is shown in [[2292: Thermometer]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text builds on the absurdity of being able to adjust the Boltzmann constant. It suggests that if the constant could be changed, hopefully it would only affect the air in the room and not other substances. In particular, the metabolism of the room's occupants is hopefully unaffected. Imagining that this strange version of an HVAC ({{w|heating, ventilation, and air conditioning}}) system could contain such a change to ''just'' the room's air shows the ridiculousness of trying to isolate the effects of altering a universal constant.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The title text builds on the absurdity of being able to adjust the Boltzmann constant. It suggests that if the constant could be changed, hopefully it would only affect the air in the room and not other substances. In particular, the metabolism of the room's occupants is hopefully unaffected. Imagining that this strange version of an HVAC ({{w|heating, ventilation, and air conditioning}}) system could contain such a change to ''just'' the room's air shows the ridiculousness of trying to isolate the effects of altering a universal constant.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.68.23.233</name></author>	</entry>

	</feed>