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		<id>https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=1891%3A_Obsolete_Technology</id>
		<title>1891: Obsolete Technology - 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=1891%3A_Obsolete_Technology"/>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;action=history"/>
		<updated>2026-04-14T23:57:03Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=357745&amp;oldid=prev</id>
		<title>172.71.103.221: /* Explanation */ overused joke</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=357745&amp;oldid=prev"/>
				<updated>2024-11-24T08:11:11Z</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; overused joke&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 08:11, 24 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-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;Here, [[Ponytail]] acts as one such critic, complaining that the business is taking &amp;quot;forever&amp;quot; to get with the times. [[Megan]] uses sarcasm to deliver her counterargument: despite the advent of nuclear weapons, fireworks use the ancient technology of {{w|gunpowder}} (invented in the 9th century), because fireworks are used by civilians for celebratory purposes and should have as few lethal side effects as possible.{{citation needed}}&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;Here, [[Ponytail]] acts as one such critic, complaining that the business is taking &amp;quot;forever&amp;quot; to get with the times. [[Megan]] uses sarcasm to deliver her counterargument: despite the advent of nuclear weapons, fireworks use the ancient technology of {{w|gunpowder}} (invented in the 9th century), because fireworks are used by civilians for celebratory purposes and should have as few lethal side effects as possible.{{citation needed}}&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;As they use gunpowder, fireworks do claim a handful of lives and cause thousands of injuries each year due to improper handling procedures; between June 18th and July 18th of 2016 (thus including the {{w|Independence Day (United States)|Independence Day}} celebrations on July 4th), fireworks caused an estimated 11,000 injuries, of which 7,000 had to be treated in hospitals. In the whole year of 2016, four people died ([http://www.insurancejournal.com/news/national/2017/06/30/456213.htm U.S. stats]). Nuclear explosions, meanwhile, have &amp;quot;detrimental effects&amp;quot; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{citation needed}} &lt;/del&gt;on human health in the same way sledgehammers have &amp;quot;detrimental effects&amp;quot; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{citation needed}} &lt;/del&gt;to chicken eggs. For example, should a nuclear explosion at a firework display be too powerful, the spectators, and possibly the neighborhood around the display, would be vaporized instantly. Fallout from a nuclear reaction could spread radiation across a wide area, leading to increased risks of cancers and other detrimental&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{citation needed}} &lt;/del&gt;genetic mutations. &amp;#160;&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;As they use gunpowder, fireworks do claim a handful of lives and cause thousands of injuries each year due to improper handling procedures; between June 18th and July 18th of 2016 (thus including the {{w|Independence Day (United States)|Independence Day}} celebrations on July 4th), fireworks caused an estimated 11,000 injuries, of which 7,000 had to be treated in hospitals. In the whole year of 2016, four people died ([http://www.insurancejournal.com/news/national/2017/06/30/456213.htm U.S. stats]). Nuclear explosions, meanwhile, have &amp;quot;detrimental effects&amp;quot; on human health in the same way sledgehammers have &amp;quot;detrimental effects&amp;quot; to chicken eggs. For example, should a nuclear explosion at a firework display be too powerful, the spectators, and possibly the neighborhood around the display, would be vaporized instantly. Fallout from a nuclear reaction could spread radiation across a wide area, leading to increased risks of cancers and other detrimental genetic mutations. &amp;#160;&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;In other words, sometimes using newer technology is &amp;quot;overkill&amp;quot; for the purpose, and it might be costlier to switch to a newer technology. For example, many industrial machines were designed and sold in the 1990s when {{w|floppy disk}}s were the prevalent means of storing the instructions, but those machines still have one or two or even more decades of usable lifetime left, and the instruction files still fit on those floppy disks. So, in 2017, there are several companies that thrive on buying, refurbishing and selling floppy disks. This [https://www.digitaltrends.com/computing/why-do-floppy-disks-still-exist-the-world-isnt-ready-to-move-on/ report] portrays one of these companies.&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;In other words, sometimes using newer technology is &amp;quot;overkill&amp;quot; for the purpose, and it might be costlier to switch to a newer technology. For example, many industrial machines were designed and sold in the 1990s when {{w|floppy disk}}s were the prevalent means of storing the instructions, but those machines still have one or two or even more decades of usable lifetime left, and the instruction files still fit on those floppy disks. So, in 2017, there are several companies that thrive on buying, refurbishing and selling floppy disks. This [https://www.digitaltrends.com/computing/why-do-floppy-disks-still-exist-the-world-isnt-ready-to-move-on/ report] portrays one of these companies.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.71.103.221</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=352981&amp;oldid=prev</id>
		<title>42.book.addict at 22:43, 15 October 2024</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=352981&amp;oldid=prev"/>
				<updated>2024-10-15T22:43:53Z</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;
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				&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 22:43, 15 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-l34&quot; &gt;Line 34:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 34:&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;[[Category:Computers]]&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;[[Category:Computers]]&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;[[Category:Nuclear weapons]]&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;[[Category:Nuclear weapons]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Sarcasm]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>42.book.addict</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=329563&amp;oldid=prev</id>
		<title>162.158.74.118: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=329563&amp;oldid=prev"/>
				<updated>2023-11-23T10:53:54Z</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 10:53, 23 November 2023&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-l20&quot; &gt;Line 20:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 20:&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 uses a different twist, criticizing the current use of {{w|fax}} machines. In many respects, faxing is obsolete compared to e-mail; it supports only black-and-white images, it complicates the process of modifying sent text by rendering it as images, it consumes the recipient's paper and toner and, in some countries, requires the recipient to pay a fee. Fax machines are a peculiar topic among &amp;quot;obsolete&amp;quot; technology; in some fields, like lawyer offices, pharmacies and medical practices, they staunchly hold their ground, as they offer a way to quickly transfer handwritten and hand-signed documents. Confidentiality is also an issue; fax, which uses a landline, is more difficult to intercept than internet-based traffic. In some countries, a telecopy is a valid document, having the same legal value as the original. A patient can thus call their doctor to fill a prescription, which is faxed to the pharmacy where the patient can fetch their drugs, saving precious time. In the same manner, a legal request can be sent to the receiver, without having to use a courier or express mail.&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 uses a different twist, criticizing the current use of {{w|fax}} machines. In many respects, faxing is obsolete compared to e-mail; it supports only black-and-white images, it complicates the process of modifying sent text by rendering it as images, it consumes the recipient's paper and toner and, in some countries, requires the recipient to pay a fee. Fax machines are a peculiar topic among &amp;quot;obsolete&amp;quot; technology; in some fields, like lawyer offices, pharmacies and medical practices, they staunchly hold their ground, as they offer a way to quickly transfer handwritten and hand-signed documents. Confidentiality is also an issue; fax, which uses a landline, is more difficult to intercept than internet-based traffic. In some countries, a telecopy is a valid document, having the same legal value as the original. A patient can thus call their doctor to fill a prescription, which is faxed to the pharmacy where the patient can fetch their drugs, saving precious time. In the same manner, a legal request can be sent to the receiver, without having to use a courier or express mail.&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;But rather than argue on any of the above points, the title text instead claims that faxing is obsolete due to being electron-based, while {{w|neutrino}}-based communication would be faster. In 2017, neutrino detectors are heavy and expensive, used for nuclear research only. Electronic communications travel at a fair share of the speed of light and the advantage of path would be at most a factor of π/2, so neutrino-based communication would normally be far too expensive compared to the speed gain. Even in the most extreme case (communicating between {{w|antipodes}}), the time saved would be a few hundredths of a second – insignificant for almost all purposes, but potentially enough to gain an edge in {{w|high-frequency trading}}, as suggested in a [https://www.forbes.com/sites/brucedorminey/2012/04/30/neutrinos-to-give-high-frequency-traders-the-millisecond-edge/#25d0ba7a590c 2012 ''Forbes'' article.] Real-world fax detractors would rather replace it with other electronic communication systems, not neutrinic ones.&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;But rather than argue on any of the above points, the title text instead claims that faxing is obsolete due to being electron-based, while {{w|neutrino}}-based communication would be faster. In 2017, neutrino detectors are heavy and expensive, used for nuclear research only. Electronic communications travel at a fair share of the speed of light and the advantage of path would be at most a factor of π/2, so neutrino-based communication would normally be far too expensive compared to the speed gain. Even in the most extreme case (communicating between {{w|antipodes}}), the time saved would be a few hundredths of a second – insignificant for almost all purposes, but potentially enough to gain an edge in {{w|high-frequency trading}}, as suggested in a [https://www.forbes.com/sites/brucedorminey/2012/04/30/neutrinos-to-give-high-frequency-traders-the-millisecond-edge/#25d0ba7a590c 2012 ''Forbes'' article.] Real-world fax detractors would rather replace it with other electronic communication systems, not neutrinic ones.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{citation needed}}&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;/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;/table&gt;</summary>
		<author><name>162.158.74.118</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=297518&amp;oldid=prev</id>
		<title>Uranium233: Removing space</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=297518&amp;oldid=prev"/>
				<updated>2022-10-25T00:08:11Z</updated>
		
		<summary type="html">&lt;p&gt;Removing space&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 00:08, 25 October 2022&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;div&gt;This comic mocks people who criticize an industry for using obsolete technology, even when said technology is sufficient for the task at hand. The claim often comes with the implication that those in charge of the industry are behind the times and cannot adapt to the cutting edge. What these critics often fail to realize is that there are cost benefits to sticking with &amp;quot;obsolete&amp;quot; infrastructure, and that upgrading to the newest tech can introduce unwanted side effects and other risks.&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 mocks people who criticize an industry for using obsolete technology, even when said technology is sufficient for the task at hand. The claim often comes with the implication that those in charge of the industry are behind the times and cannot adapt to the cutting edge. What these critics often fail to realize is that there are cost benefits to sticking with &amp;quot;obsolete&amp;quot; infrastructure, and that upgrading to the newest tech can introduce unwanted side effects and other risks.&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;Here, [[Ponytail]] acts as one such critic, complaining that the business is taking &amp;quot;forever&amp;quot; to get with the times. [[Megan]] uses sarcasm to deliver her counterargument: despite the advent of nuclear weapons, fireworks use the ancient technology of {{w|gunpowder}} (invented in the 9th century), because fireworks are used by civilians for celebratory purposes and should have as few lethal side effects as possible. {{citation needed}}&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;Here, [[Ponytail]] acts as one such critic, complaining that the business is taking &amp;quot;forever&amp;quot; to get with the times. [[Megan]] uses sarcasm to deliver her counterargument: despite the advent of nuclear weapons, fireworks use the ancient technology of {{w|gunpowder}} (invented in the 9th century), because fireworks are used by civilians for celebratory purposes and should have as few lethal side effects as possible.{{citation needed}}&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;As they use gunpowder, fireworks do claim a handful of lives and cause thousands of injuries each year due to improper handling procedures; between June 18th and July 18th of 2016 (thus including the {{w|Independence Day (United States)|Independence Day}} celebrations on July 4th), fireworks caused an estimated 11,000 injuries, of which 7,000 had to be treated in hospitals. In the whole year of 2016, four people died ([http://www.insurancejournal.com/news/national/2017/06/30/456213.htm U.S. stats]). Nuclear explosions, meanwhile, have &amp;quot;detrimental effects&amp;quot; {{citation needed}} on human health in the same way sledgehammers have &amp;quot;detrimental effects&amp;quot; {{citation needed}} to chicken eggs. For example, should a nuclear explosion at a firework display be too powerful, the spectators, and possibly the neighborhood around the display, would be vaporized instantly. Fallout from a nuclear reaction could spread radiation across a wide area, leading to increased risks of cancers and other detrimental{{citation needed}} genetic mutations. &amp;#160;&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;As they use gunpowder, fireworks do claim a handful of lives and cause thousands of injuries each year due to improper handling procedures; between June 18th and July 18th of 2016 (thus including the {{w|Independence Day (United States)|Independence Day}} celebrations on July 4th), fireworks caused an estimated 11,000 injuries, of which 7,000 had to be treated in hospitals. In the whole year of 2016, four people died ([http://www.insurancejournal.com/news/national/2017/06/30/456213.htm U.S. stats]). Nuclear explosions, meanwhile, have &amp;quot;detrimental effects&amp;quot; {{citation needed}} on human health in the same way sledgehammers have &amp;quot;detrimental effects&amp;quot; {{citation needed}} to chicken eggs. For example, should a nuclear explosion at a firework display be too powerful, the spectators, and possibly the neighborhood around the display, would be vaporized instantly. Fallout from a nuclear reaction could spread radiation across a wide area, leading to increased risks of cancers and other detrimental{{citation needed}} genetic mutations. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Uranium233</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=297517&amp;oldid=prev</id>
		<title>Uranium233: Just adding the need for a citation</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=297517&amp;oldid=prev"/>
				<updated>2022-10-25T00:07:22Z</updated>
		
		<summary type="html">&lt;p&gt;Just adding the need for a citation&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 00:07, 25 October 2022&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;div&gt;This comic mocks people who criticize an industry for using obsolete technology, even when said technology is sufficient for the task at hand. The claim often comes with the implication that those in charge of the industry are behind the times and cannot adapt to the cutting edge. What these critics often fail to realize is that there are cost benefits to sticking with &amp;quot;obsolete&amp;quot; infrastructure, and that upgrading to the newest tech can introduce unwanted side effects and other risks.&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 mocks people who criticize an industry for using obsolete technology, even when said technology is sufficient for the task at hand. The claim often comes with the implication that those in charge of the industry are behind the times and cannot adapt to the cutting edge. What these critics often fail to realize is that there are cost benefits to sticking with &amp;quot;obsolete&amp;quot; infrastructure, and that upgrading to the newest tech can introduce unwanted side effects and other risks.&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;Here, [[Ponytail]] acts as one such critic, complaining that the business is taking &amp;quot;forever&amp;quot; to get with the times. [[Megan]] uses sarcasm to deliver her counterargument: despite the advent of nuclear weapons, fireworks use the ancient technology of {{w|gunpowder}} (invented in the 9th century), because fireworks are used by civilians for celebratory purposes and should have as few lethal side effects as possible.&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;Here, [[Ponytail]] acts as one such critic, complaining that the business is taking &amp;quot;forever&amp;quot; to get with the times. [[Megan]] uses sarcasm to deliver her counterargument: despite the advent of nuclear weapons, fireworks use the ancient technology of {{w|gunpowder}} (invented in the 9th century), because fireworks are used by civilians for celebratory purposes and should have as few lethal side effects as possible. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{citation needed}}&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;/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;As they use gunpowder, fireworks do claim a handful of lives and cause thousands of injuries each year due to improper handling procedures; between June 18th and July 18th of 2016 (thus including the {{w|Independence Day (United States)|Independence Day}} celebrations on July 4th), fireworks caused an estimated 11,000 injuries, of which 7,000 had to be treated in hospitals. In the whole year of 2016, four people died ([http://www.insurancejournal.com/news/national/2017/06/30/456213.htm U.S. stats]). Nuclear explosions, meanwhile, have &amp;quot;detrimental effects&amp;quot; {{citation needed}} on human health in the same way sledgehammers have &amp;quot;detrimental effects&amp;quot; {{citation needed}} to chicken eggs. For example, should a nuclear explosion at a firework display be too powerful, the spectators, and possibly the neighborhood around the display, would be vaporized instantly. Fallout from a nuclear reaction could spread radiation across a wide area, leading to increased risks of cancers and other detrimental{{citation needed}} genetic mutations. &amp;#160;&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;As they use gunpowder, fireworks do claim a handful of lives and cause thousands of injuries each year due to improper handling procedures; between June 18th and July 18th of 2016 (thus including the {{w|Independence Day (United States)|Independence Day}} celebrations on July 4th), fireworks caused an estimated 11,000 injuries, of which 7,000 had to be treated in hospitals. In the whole year of 2016, four people died ([http://www.insurancejournal.com/news/national/2017/06/30/456213.htm U.S. stats]). Nuclear explosions, meanwhile, have &amp;quot;detrimental effects&amp;quot; {{citation needed}} on human health in the same way sledgehammers have &amp;quot;detrimental effects&amp;quot; {{citation needed}} to chicken eggs. For example, should a nuclear explosion at a firework display be too powerful, the spectators, and possibly the neighborhood around the display, would be vaporized instantly. Fallout from a nuclear reaction could spread radiation across a wide area, leading to increased risks of cancers and other detrimental{{citation needed}} genetic mutations. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Uranium233</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=272470&amp;oldid=prev</id>
		<title>172.68.210.47: Undo revision 270753 by Explain xkcd server admin (talk)</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=272470&amp;oldid=prev"/>
				<updated>2022-05-21T01:02:41Z</updated>
		
		<summary type="html">&lt;p&gt;Undo revision 270753 by &lt;a href=&quot;/wiki/index.php/Special:Contributions/Explain_xkcd_server_admin&quot; title=&quot;Special:Contributions/Explain xkcd server admin&quot;&gt;Explain xkcd server admin&lt;/a&gt; (&lt;a href=&quot;/wiki/index.php?title=User_talk:Explain_xkcd_server_admin&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:Explain xkcd server admin (page does not exist)&quot;&gt;talk&lt;/a&gt;)&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;amp;diff=272470&amp;amp;oldid=270753&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>172.68.210.47</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=270753&amp;oldid=prev</id>
		<title>Explain xkcd server admin at 21:23, 20 May 2022</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=270753&amp;oldid=prev"/>
				<updated>2022-05-20T21:23:46Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;amp;diff=270753&amp;amp;oldid=267431&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Explain xkcd server admin</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=267431&amp;oldid=prev</id>
		<title>Theusaf: Reverted edits by 👖🔥 (talk) to last revision by Jacky720</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=267431&amp;oldid=prev"/>
				<updated>2022-05-11T18:43:28Z</updated>
		
		<summary type="html">&lt;p&gt;Reverted edits by &lt;a href=&quot;/wiki/index.php/Special:Contributions/%F0%9F%91%96%F0%9F%94%A5&quot; title=&quot;Special:Contributions/👖🔥&quot;&gt;👖🔥&lt;/a&gt; (&lt;a href=&quot;/wiki/index.php?title=User_talk:%F0%9F%91%96%F0%9F%94%A5&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:👖🔥 (page does not exist)&quot;&gt;talk&lt;/a&gt;) to last revision by &lt;a href=&quot;/wiki/index.php/User:Jacky720&quot; title=&quot;User:Jacky720&quot;&gt;Jacky720&lt;/a&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;amp;diff=267431&amp;amp;oldid=267013&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Theusaf</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=267013&amp;oldid=prev</id>
		<title>👖🔥 at 17:54, 11 May 2022</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=267013&amp;oldid=prev"/>
				<updated>2022-05-11T17:54:14Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;amp;diff=267013&amp;amp;oldid=260760&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>👖🔥</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=260760&amp;oldid=prev</id>
		<title>Jacky720: rv</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;diff=260760&amp;oldid=prev"/>
				<updated>2022-05-04T23:37:52Z</updated>
		
		<summary type="html">&lt;p&gt;rv&lt;/p&gt;
&lt;a href=&quot;//www.explainxkcd.com/wiki/index.php?title=1891:_Obsolete_Technology&amp;amp;diff=260760&amp;amp;oldid=260634&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Jacky720</name></author>	</entry>

	</feed>