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		<id>https://www.explainxkcd.com/wiki/index.php?action=history&amp;feed=atom&amp;title=3067%3A_SawStart</id>
		<title>3067: SawStart - 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=3067%3A_SawStart"/>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;action=history"/>
		<updated>2026-04-15T04:21:13Z</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=3067:_SawStart&amp;diff=409176&amp;oldid=prev</id>
		<title>38.126.98.230: /* Trivia */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=409176&amp;oldid=prev"/>
				<updated>2026-03-31T11:43:56Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Trivia&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 11:43, 31 March 2026&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-l31&quot; &gt;Line 31:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 31:&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;==Trivia==&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;==Trivia==&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;In theory, such a system could be useful on a futuristic mechanized melee weapon (like &amp;quot;[[wikia:w:c:warhammer40k:Chainsword|chainswords]]&amp;quot; from ''{{w|Warhammer 40,000}}''). In that case, the saw would start spinning as soon as it hits the enemy, removing the need to allow time for it to spin up. On top of that, the saw is impossible to stop, and will continue to rip and shred any enemies in contact until the saw breaks. Such a combat disk saw may need to be redesigned so that it is activated by armor and flesh alike.&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;In theory, such a system could be useful on a futuristic mechanized melee weapon (like &amp;quot;[[wikia:w:c:warhammer40k:Chainsword|chainswords]]&amp;quot; from ''{{w|Warhammer 40,000}}''). In that case, the saw would start spinning as soon as it hits the enemy, removing the need to allow time for it to spin up. On top of that, the saw is impossible to stop, and will continue to rip and shred any enemies in contact until the saw breaks. Such a combat disk saw may need to be redesigned so that it is activated by armor and flesh alike&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. It could also be used in&amp;#160; {{w|Robot Combat}}, where it could be modified to be activated by metal and be used as a spinning weapon&lt;/ins&gt;. &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;{{comic discussion}}&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;{{comic discussion}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>38.126.98.230</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=379552&amp;oldid=prev</id>
		<title>FaviFake: is now formal</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=379552&amp;oldid=prev"/>
				<updated>2025-06-16T13:48:53Z</updated>
		
		<summary type="html">&lt;p&gt;is now formal&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 13:48, 16 June 2025&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|Language is too informal.}}&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose products are designed to increase safety. Table saws are extremely dangerous tools due to their rapidly spinning {{w|circular saw}} blades protruding from the table surface. Accidental contact with the blade can result in severe injury or death. Even a stopped blade can pose a risk if the saw is not properly powered off and unplugged, or if the blade remains sharp.&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose products are designed to increase safety. Table saws are extremely dangerous tools due to their rapidly spinning {{w|circular saw}} blades protruding from the table surface. Accidental contact with the blade can result in severe injury or death. Even a stopped blade can pose a risk if the saw is not properly powered off and unplugged, or if the blade remains sharp.&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>FaviFake</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=378278&amp;oldid=prev</id>
		<title>141.101.98.235: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=378278&amp;oldid=prev"/>
				<updated>2025-05-21T12:23:07Z</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 12:23, 21 May 2025&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-l15&quot; &gt;Line 15:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 15:&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;SawStop saws feature an automatic brake that activates when the blade detects contact with human skin. According to the company, the system stops the blade within 5 milliseconds by releasing an aluminum brake block, after which the blade instantly retracts below the table. This mechanism is intended to prevent serious injury in the event of contact.&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;SawStop saws feature an automatic brake that activates when the blade detects contact with human skin. According to the company, the system stops the blade within 5 milliseconds by releasing an aluminum brake block, after which the blade instantly retracts below the table. This mechanism is intended to prevent serious injury in the event of contact.&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, [[Black Hat]] takes the concept of a safety-enhancing product and reverses it, creating one that is far more dangerous. His fictional invention mimics the SawStop's ability to detect skin contact, but instead of stopping the blade, it uses an explosive charge to ''start'' a stationary blade. This would be extremely &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;hazardous—triggering &lt;/del&gt;a rapid spin-up exactly when someone touches the blade. The comic suggests that it might even work when the tool is turned off and unplugged, which is typically considered a safe state. The explosive acceleration could cause severe injuries, and the device provides no functional &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;advantage—its &lt;/del&gt;only purpose is malicious, which is presumably why it's &amp;quot;less popular.&amp;quot;&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, [[Black Hat]] takes the concept of a safety-enhancing product and reverses it, creating one that is far more dangerous. His fictional invention mimics the SawStop's ability to detect skin contact, but instead of stopping the blade, it uses an explosive charge to ''start'' a stationary blade. This would be extremely &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;hazardous, in triggering &lt;/ins&gt;a rapid spin-up exactly when someone touches the blade. The comic suggests that it might even work when the tool is turned off and unplugged, which is typically considered a safe state. The explosive acceleration could cause severe injuries, and the device provides no functional &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;advantage. Its &lt;/ins&gt;only purpose is malicious, which is presumably why it's &amp;quot;less popular.&amp;quot;&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;{{w|Coffman engine starter|Explosive starters}} have historically been used in older piston aircraft and some {{w|Field Marshall#Starting|tractors}} to rapidly start engines when electric starters weren’t practical. This method is still used in some modern aircraft, such as the [https://www.af.mil/News/Article-Display/Article/121480/ B-52 bomber].&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;{{w|Coffman engine starter|Explosive starters}} have historically been used in older piston aircraft and some {{w|Field Marshall#Starting|tractors}} to rapidly start engines when electric starters weren’t practical. This method is still used in some modern aircraft, such as the [https://www.af.mil/News/Article-Display/Article/121480/ B-52 bomber].&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;The title text references the fact that the SawStop brake mechanism is single-use. Once triggered, both the brake cartridge and the saw blade are damaged and must be &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;replaced—though &lt;/del&gt;this is a small price to pay compared to losing a finger.{{Citation needed}} The fictional &amp;quot;SawStart&amp;quot; is also single-use, but in its case, the result is even worse: the blade becomes unstoppable, defying the second law of thermodynamics (and possibly several others). The comic suggests this could be the result of a collaboration between Black Hat and [[Beret Guy]]'s mysterious business ventures. Since the spinning blade cannot be stopped, it must be replaced while still in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;motion—an &lt;/del&gt;obviously dangerous and impractical process. Even disposal would be hazardous, as the blade could destroy any container it's placed in.&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;The title text references the fact that the SawStop brake mechanism is single-use. Once triggered, both the brake cartridge and the saw blade are damaged and must be &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;replaced — though &lt;/ins&gt;this is a small price to pay compared to losing a finger.{{Citation needed}} The fictional &amp;quot;SawStart&amp;quot; is also single-use, but in its case, the result is even worse: the blade becomes unstoppable, defying the second law of thermodynamics (and possibly several others). The comic suggests this could be the result of a collaboration between Black Hat and [[Beret Guy]]'s mysterious business ventures. Since the spinning blade cannot be stopped, it must be replaced while still in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;motion — an &lt;/ins&gt;obviously dangerous and impractical process. Even disposal would be hazardous, as the blade could destroy any container it's placed in.&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;A similar &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;concept—subverting &lt;/del&gt;a safety &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;feature—is &lt;/del&gt;explored in [[2876: Range Safety]], where a range safety officer is accompanied by a &amp;quot;range danger officer.&amp;quot;&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;A similar &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;concept, subverting &lt;/ins&gt;a safety &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;feature, is &lt;/ins&gt;explored in [[2876: Range Safety]], where a range safety officer is accompanied by a &amp;quot;range danger officer.&amp;quot;&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>141.101.98.235</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=378269&amp;oldid=prev</id>
		<title>172.70.142.82: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=378269&amp;oldid=prev"/>
				<updated>2025-05-21T05:57:30Z</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 05:57, 21 May 2025&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-l15&quot; &gt;Line 15:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 15:&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;SawStop saws feature an automatic brake that activates when the blade detects contact with human skin. According to the company, the system stops the blade within 5 milliseconds by releasing an aluminum brake block, after which the blade instantly retracts below the table. This mechanism is intended to prevent serious injury in the event of contact.&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;SawStop saws feature an automatic brake that activates when the blade detects contact with human skin. According to the company, the system stops the blade within 5 milliseconds by releasing an aluminum brake block, after which the blade instantly retracts below the table. This mechanism is intended to prevent serious injury in the event of contact.&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, [[Black Hat]] takes the concept of a safety-enhancing product and reverses it, creating one that is far more dangerous. His fictional invention mimics the SawStop's ability to detect skin contact, but instead of stopping the blade, it uses an explosive charge to ''start'' a stationary blade. This would be extremely hazardous—triggering a rapid spin-up exactly when someone touches the blade. The comic suggests that it might even work when the tool is turned off and unplugged, which is typically considered a safe state. The explosive acceleration could cause severe injuries, and the device provides no functional advantage—its only purpose is malicious, which is presumably why it's &amp;quot;less popular.&amp;quot;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{Citation needed}}&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;Here, [[Black Hat]] takes the concept of a safety-enhancing product and reverses it, creating one that is far more dangerous. His fictional invention mimics the SawStop's ability to detect skin contact, but instead of stopping the blade, it uses an explosive charge to ''start'' a stationary blade. This would be extremely hazardous—triggering a rapid spin-up exactly when someone touches the blade. The comic suggests that it might even work when the tool is turned off and unplugged, which is typically considered a safe state. The explosive acceleration could cause severe injuries, and the device provides no functional advantage—its only purpose is malicious, which is presumably why it's &amp;quot;less popular.&amp;quot;&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;{{w|Coffman engine starter|Explosive starters}} have historically been used in older piston aircraft and some {{w|Field Marshall#Starting|tractors}} to rapidly start engines when electric starters weren’t practical. This method is still used in some modern aircraft, such as the [https://www.af.mil/News/Article-Display/Article/121480/ B-52 bomber].&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;{{w|Coffman engine starter|Explosive starters}} have historically been used in older piston aircraft and some {{w|Field Marshall#Starting|tractors}} to rapidly start engines when electric starters weren’t practical. This method is still used in some modern aircraft, such as the [https://www.af.mil/News/Article-Display/Article/121480/ B-52 bomber].&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;The title text references the fact that the SawStop brake mechanism is single-use. Once triggered, both the brake cartridge and the saw blade are damaged and must be replaced—though this is a small price to pay compared to losing a finger. The fictional &amp;quot;SawStart&amp;quot; is also single-use, but in its case, the result is even worse: the blade becomes unstoppable, defying the second law of thermodynamics (and possibly several others). The comic suggests this could be the result of a collaboration between Black Hat and [[Beret Guy]]'s mysterious business ventures. Since the spinning blade cannot be stopped, it must be replaced while still in motion—an obviously dangerous and impractical process. Even disposal would be hazardous, as the blade could destroy any container it's placed in.&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;The title text references the fact that the SawStop brake mechanism is single-use. Once triggered, both the brake cartridge and the saw blade are damaged and must be replaced—though this is a small price to pay compared to losing a finger.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{Citation needed}} &lt;/ins&gt;The fictional &amp;quot;SawStart&amp;quot; is also single-use, but in its case, the result is even worse: the blade becomes unstoppable, defying the second law of thermodynamics (and possibly several others). The comic suggests this could be the result of a collaboration between Black Hat and [[Beret Guy]]'s mysterious business ventures. Since the spinning blade cannot be stopped, it must be replaced while still in motion—an obviously dangerous and impractical process. Even disposal would be hazardous, as the blade could destroy any container it's placed in.&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;A similar concept—subverting a safety feature—is explored in [[2876: Range Safety]], where a range safety officer is accompanied by a &amp;quot;range danger officer.&amp;quot;&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 similar concept—subverting a safety feature—is explored in [[2876: Range Safety]], where a range safety officer is accompanied by a &amp;quot;range danger officer.&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>172.70.142.82</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=378268&amp;oldid=prev</id>
		<title>172.70.142.83: /* Explanation */</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=378268&amp;oldid=prev"/>
				<updated>2025-05-21T05:56:19Z</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 05:56, 21 May 2025&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-l11&quot; &gt;Line 11:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 11:&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;&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|Language is too informal.}}&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|Language is too informal.}}&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;product is &lt;/del&gt;designed to increase safety. Table saws &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;can be highly &lt;/del&gt;dangerous &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;if not used properly, because they feature a &lt;/del&gt;rapidly spinning {{w|circular saw}} protruding from the surface. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;If any part of someone's body comes into &lt;/del&gt;contact with the blade &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;while it's spinning, it &lt;/del&gt;can &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cause &lt;/del&gt;severe injury or death. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;In general, it is not wise to touch even &lt;/del&gt;a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;normal &lt;/del&gt;stopped blade &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;without being absolutely certain that &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;power cannot be turned on and the blade &lt;/del&gt;is not &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;sharp enough to be dangerous at rest. SawStop products feature an automatic brake&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;designed to detect when flesh comes into contact with &lt;/del&gt;the blade&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;. According to manufacturer claims, the brake (an aluminum block) will stop the blade within 5 milliseconds of detecting contact, followed by the blade retracting into the table. This is intended to prevent major injuries in the event of contact&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;products are &lt;/ins&gt;designed to increase safety. Table saws &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;are extremely &lt;/ins&gt;dangerous &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;tools due to their &lt;/ins&gt;rapidly spinning {{w|circular saw}} &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;blades &lt;/ins&gt;protruding from the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;table &lt;/ins&gt;surface. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Accidental &lt;/ins&gt;contact with the blade can &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;result in &lt;/ins&gt;severe injury or death. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Even &lt;/ins&gt;a stopped blade &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;can pose a risk if &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;saw &lt;/ins&gt;is not &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;properly powered off and unplugged&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;or if &lt;/ins&gt;the blade &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;remains sharp&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;−&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 class=&quot;diffchange diffchange-inline&quot;&gt;Here, [[Black Hat]] takes &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly &lt;/del&gt;detects contact with skin &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and reacts within milliseconds&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;but rather than stopping &lt;/del&gt;the blade&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, his product uses &lt;/del&gt;an &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;but &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;explosive device implies very rapid acceleration. It might even work if &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;tool is turned off and unplugged (usually a safe condition for working with saw blades)&lt;/del&gt;. This &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'feature' &lt;/del&gt;is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;specifically designed &lt;/del&gt;to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;run up to significantly damaging speeds &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&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;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;SawStop saws feature an automatic brake that activates when &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;blade &lt;/ins&gt;detects contact with &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;human &lt;/ins&gt;skin&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. According to the company&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the system stops &lt;/ins&gt;the blade &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;within 5 milliseconds by releasing &lt;/ins&gt;an &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;aluminum brake block&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;after which &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;blade instantly retracts below &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;table&lt;/ins&gt;. This &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;mechanism &lt;/ins&gt;is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;intended &lt;/ins&gt;to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;prevent serious injury in &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;event of contact&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;−&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 class=&quot;diffchange diffchange-inline&quot;&gt;{{w|Coffman engine starter|Using explosives}} &lt;/del&gt;to start a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;mechanism has been implemented in older piston&lt;/del&gt;-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;engined aircraft as well as in {{w|Field Marshall#Starting|tractors}}&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;This method was preferred in times &lt;/del&gt;when &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;speed &lt;/del&gt;is a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;priority in starting a rotary mechanism&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;especially when electric starters were not an option. This has led to its use in &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[https://www.af.mil/News/Article-Display/Article/121480/ B-52 bomber] nowadays&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;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Here, [[Black Hat]] takes the concept of a safety-enhancing product and reverses it, creating one that is far more dangerous. His fictional invention mimics the SawStop's ability to detect skin contact, but instead of stopping the blade, it uses an explosive charge &lt;/ins&gt;to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;''&lt;/ins&gt;start&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'' &lt;/ins&gt;a &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;stationary blade. This would be extremely hazardous—triggering a rapid spin&lt;/ins&gt;-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;up exactly when someone touches the blade&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The comic suggests that it might even work &lt;/ins&gt;when &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the tool is turned off and unplugged, which &lt;/ins&gt;is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;typically considered &lt;/ins&gt;a &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;safe state. The explosive acceleration could cause severe injuries&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;device provides no functional advantage—its only purpose is malicious, which is presumably why it's &amp;quot;less popular&lt;/ins&gt;.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;{{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;−&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 class=&quot;diffchange diffchange-inline&quot;&gt;The title text refers to the fact that the braking feature on the SawStop is single use. Because of the very fast response time, both the braking cartridge and the saw blade will be badly damaged &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the process, &lt;/del&gt;and &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;both will need &lt;/del&gt;to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;be replaced (this being considered preferable to the kinds of permanent injuries that can result from a spinning blade)&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The SawStart &lt;/del&gt;is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;also single use, but &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;its case, it somehow makes the blade impossible to stop&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;violating &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;second law of thermodynamics (and probably several other laws); perhaps SawStart is a partnership between Black Hat and &lt;/del&gt;[&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[Beret Guy]]'s business&lt;/del&gt;.. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Hence, the SawStart blade must also be replaced and disposed of, but this apparently has to be done while the blade is spinning. To attempt to remove a spinning blade is incredibly dangerous, and this simply adds to the unnecessary harm this product could do. Disposal would also be complicated, because the still&lt;/del&gt;-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;spinning blade could cause damage to whatever is chosen to contain it&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;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{w|Coffman engine starter|Explosive starters}} have historically been used &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;older piston aircraft &lt;/ins&gt;and &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;some {{w|Field Marshall#Starting|tractors}} &lt;/ins&gt;to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;rapidly start engines when electric starters weren’t practical&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;This method &lt;/ins&gt;is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;still used &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;some modern aircraft&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;such as &lt;/ins&gt;the [&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;https://www&lt;/ins&gt;.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;af&lt;/ins&gt;.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;mil/News/Article-Display/Article/121480/ B&lt;/ins&gt;-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;52 bomber]&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;−&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;A similar &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;attempt at taking &lt;/del&gt;a safety &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;feature and flipping it on its head was done &lt;/del&gt;in [[2876: Range Safety]], &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;this time with the &lt;/del&gt;range safety officer &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;being &lt;/del&gt;accompanied by a range danger officer.&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;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The title text references the fact that the SawStop brake mechanism is single-use. Once triggered, both the brake cartridge and the saw blade are damaged and must be replaced—though this is a small price to pay compared to losing a finger. The fictional &amp;quot;SawStart&amp;quot; is also single-use, but in its case, the result is even worse: the blade becomes unstoppable, defying the second law of thermodynamics (and possibly several others). The comic suggests this could be the result of a collaboration between Black Hat and [[Beret Guy]]'s mysterious business ventures. Since the spinning blade cannot be stopped, it must be replaced while still in motion—an obviously dangerous and impractical process. Even disposal would be hazardous, as the blade could destroy any container it's placed in.&lt;/ins&gt;&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;&amp;#160;&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;A similar &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;concept—subverting &lt;/ins&gt;a safety &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;feature—is explored &lt;/ins&gt;in [[2876: Range Safety]], &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;where a &lt;/ins&gt;range safety officer &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/ins&gt;accompanied by a &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/ins&gt;range danger officer.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&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>172.70.142.83</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=376235&amp;oldid=prev</id>
		<title>Miamiclay: Deleted para with math/logic error - Assumed replacing entire $1200 saw, not just blade.</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=376235&amp;oldid=prev"/>
				<updated>2025-05-03T20:27:35Z</updated>
		
		<summary type="html">&lt;p&gt;Deleted para with math/logic error - Assumed replacing entire $1200 saw, not just blade.&lt;/p&gt;
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				&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 20:27, 3 May 2025&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;/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;Here, [[Black Hat]] takes the notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly detects contact with skin and reacts within milliseconds, but rather than stopping the blade, his product uses an explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough, but the explosive device implies very rapid acceleration. It might even work if the tool is turned off and unplugged (usually a safe condition for working with saw blades). This 'feature' is specifically designed to run up to significantly damaging speeds the moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular.&amp;quot;&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, [[Black Hat]] takes the notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly detects contact with skin and reacts within milliseconds, but rather than stopping the blade, his product uses an explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough, but the explosive device implies very rapid acceleration. It might even work if the tool is turned off and unplugged (usually a safe condition for working with saw blades). This 'feature' is specifically designed to run up to significantly damaging speeds the moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular.&amp;quot;&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;&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;This product is highly inefficient and unsafe, given the inherent danger of a rapidly accelerating saw blade. However, another possibly more important issue exists with this product: cost. SawStart is likely priced similarly to SawStop (around $1200 as of the time of writing) and may be used weekly or even daily. The net cost would be $62 400 for the saws alone, and around $187 200 in hospital bills, assuming the user resides in New York and is using SawStart weekly.&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;{{w|Coffman engine starter|Using explosives}} to start a mechanism has been implemented in older piston-engined aircraft as well as in {{w|Field Marshall#Starting|tractors}}. This method was preferred in times when speed is a priority in starting a rotary mechanism, especially when electric starters were not an option. This has led to its use in the [https://www.af.mil/News/Article-Display/Article/121480/ B-52 bomber] nowadays.&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;{{w|Coffman engine starter|Using explosives}} to start a mechanism has been implemented in older piston-engined aircraft as well as in {{w|Field Marshall#Starting|tractors}}. This method was preferred in times when speed is a priority in starting a rotary mechanism, especially when electric starters were not an option. This has led to its use in the [https://www.af.mil/News/Article-Display/Article/121480/ B-52 bomber] nowadays.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Miamiclay</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=375624&amp;oldid=prev</id>
		<title>FaviFake: From the Editor FAQ#citation: &quot;This template should only be placed when there is a deeper sense of humor and should not be overused.&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=375624&amp;oldid=prev"/>
				<updated>2025-04-29T14:38:27Z</updated>
		
		<summary type="html">&lt;p&gt;From the &lt;a href=&quot;/wiki/index.php/explain_xkcd:Editor_FAQ#citation&quot; title=&quot;explain xkcd:Editor FAQ&quot;&gt;Editor FAQ#citation&lt;/a&gt;: &amp;quot;This template should only be placed when there is a deeper sense of humor and should not be overused.&amp;quot;&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 14:38, 29 April 2025&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-l13&quot; &gt;Line 13:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 13:&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose product is designed to increase safety. Table saws can be highly dangerous if not used properly, because they feature a rapidly spinning {{w|circular saw}} protruding from the surface. If any part of someone's body comes into contact with the blade while it's spinning, it can cause severe injury or death. In general, it is not wise to touch even a normal stopped blade without being absolutely certain that the power cannot be turned on and the blade is not sharp enough to be dangerous at rest. SawStop products feature an automatic brake, designed to detect when flesh comes into contact with the blade. According to manufacturer claims, the brake (an aluminum block) will stop the blade within 5 milliseconds of detecting contact, followed by the blade retracting into the table. This is intended to prevent major injuries in the event of contact.&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose product is designed to increase safety. Table saws can be highly dangerous if not used properly, because they feature a rapidly spinning {{w|circular saw}} protruding from the surface. If any part of someone's body comes into contact with the blade while it's spinning, it can cause severe injury or death. In general, it is not wise to touch even a normal stopped blade without being absolutely certain that the power cannot be turned on and the blade is not sharp enough to be dangerous at rest. SawStop products feature an automatic brake, designed to detect when flesh comes into contact with the blade. According to manufacturer claims, the brake (an aluminum block) will stop the blade within 5 milliseconds of detecting contact, followed by the blade retracting into the table. This is intended to prevent major injuries in the event of contact.&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, [[Black Hat]] takes the notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly detects contact with skin and reacts within milliseconds, but rather than stopping the blade, his product uses an explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough, but the explosive device implies very rapid acceleration. It might even work if the tool is turned off and unplugged (usually a safe condition for working with saw blades)&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{Citation needed}}&lt;/del&gt;. This 'feature' is specifically designed to run up to significantly damaging speeds the moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular.&amp;quot;&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, [[Black Hat]] takes the notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly detects contact with skin and reacts within milliseconds, but rather than stopping the blade, his product uses an explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough, but the explosive device implies very rapid acceleration. It might even work if the tool is turned off and unplugged (usually a safe condition for working with saw blades). This 'feature' is specifically designed to run up to significantly damaging speeds the moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular.&amp;quot;&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 product is highly inefficient and unsafe, given the inherent danger of a rapidly accelerating saw blade. However, another possibly more important issue exists with this product: cost. SawStart is likely priced similarly to SawStop (around $1200 as of the time of writing)&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/del&gt;and may be used weekly or even daily. The net cost would be $62 400 for the saws alone, and around $187 200 in hospital bills, assuming the user resides in New York and is using SawStart weekly.&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 product is highly inefficient and unsafe, given the inherent danger of a rapidly accelerating saw blade. However, another possibly more important issue exists with this product: cost. SawStart is likely priced similarly to SawStop (around $1200 as of the time of writing) and may be used weekly or even daily. The net cost would be $62 400 for the saws alone, and around $187 200 in hospital bills, assuming the user resides in New York and is using SawStart weekly.&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;{{w|Coffman engine starter|Using explosives}} to start a mechanism has been implemented in older piston-engined aircraft as well as in {{w|Field Marshall#Starting|tractors}}. This method was preferred in times when speed is a priority in starting a rotary mechanism, especially when electric starters were not an option. This has led to its use in the [https://www.af.mil/News/Article-Display/Article/121480/ B-52 bomber] nowadays.&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;{{w|Coffman engine starter|Using explosives}} to start a mechanism has been implemented in older piston-engined aircraft as well as in {{w|Field Marshall#Starting|tractors}}. This method was preferred in times when speed is a priority in starting a rotary mechanism, especially when electric starters were not an option. This has led to its use in the [https://www.af.mil/News/Article-Display/Article/121480/ B-52 bomber] nowadays.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>FaviFake</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=375623&amp;oldid=prev</id>
		<title>CKcoolidge at 13:54, 29 April 2025</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=375623&amp;oldid=prev"/>
				<updated>2025-04-29T13:54:17Z</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 13:54, 29 April 2025&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-l13&quot; &gt;Line 13:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 13:&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose product is designed to increase safety. Table saws can be highly dangerous if not used properly, because they feature a rapidly spinning {{w|circular saw}} protruding from the surface. If any part of someone's body comes into contact with the blade while it's spinning, it can cause severe injury or death. In general, it is not wise to touch even a normal stopped blade without being absolutely certain that the power cannot be turned on and the blade is not sharp enough to be dangerous at rest. SawStop products feature an automatic brake, designed to detect when flesh comes into contact with the blade. According to manufacturer claims, the brake (an aluminum block) will stop the blade within 5 milliseconds of detecting contact, followed by the blade retracting into the table. This is intended to prevent major injuries in the event of contact.&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose product is designed to increase safety. Table saws can be highly dangerous if not used properly, because they feature a rapidly spinning {{w|circular saw}} protruding from the surface. If any part of someone's body comes into contact with the blade while it's spinning, it can cause severe injury or death. In general, it is not wise to touch even a normal stopped blade without being absolutely certain that the power cannot be turned on and the blade is not sharp enough to be dangerous at rest. SawStop products feature an automatic brake, designed to detect when flesh comes into contact with the blade. According to manufacturer claims, the brake (an aluminum block) will stop the blade within 5 milliseconds of detecting contact, followed by the blade retracting into the table. This is intended to prevent major injuries in the event of contact.&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, [[Black Hat]] takes the notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly detects contact with skin and reacts within milliseconds, but rather than stopping the blade, his product uses an explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough, but the explosive device implies very rapid acceleration. It might even work if the tool is turned off and unplugged (usually a safe condition for working with saw blades)&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;[[&lt;/del&gt;Citation needed&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;]]&lt;/del&gt;. This 'feature' is specifically designed to run up to significantly damaging speeds the moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular.&amp;quot;&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, [[Black Hat]] takes the notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly detects contact with skin and reacts within milliseconds, but rather than stopping the blade, his product uses an explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough, but the explosive device implies very rapid acceleration. It might even work if the tool is turned off and unplugged (usually a safe condition for working with saw blades)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{&lt;/ins&gt;Citation needed&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;}}&lt;/ins&gt;. This 'feature' is specifically designed to run up to significantly damaging speeds the moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular.&amp;quot;&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;This product is highly inefficient and unsafe, given the inherent danger of a rapidly accelerating saw blade. However, another possibly more important issue exists with this product: cost. SawStart is likely priced similarly to SawStop (around $1200 as of the time of writing), and may be used weekly or even daily. The net cost would be $62 400 for the saws alone, and around $187 200 in hospital bills, assuming the user resides in New York and is using SawStart weekly.&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 product is highly inefficient and unsafe, given the inherent danger of a rapidly accelerating saw blade. However, another possibly more important issue exists with this product: cost. SawStart is likely priced similarly to SawStop (around $1200 as of the time of writing), and may be used weekly or even daily. The net cost would be $62 400 for the saws alone, and around $187 200 in hospital bills, assuming the user resides in New York and is using SawStart weekly.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>CKcoolidge</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=375622&amp;oldid=prev</id>
		<title>CKcoolidge at 13:53, 29 April 2025</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=375622&amp;oldid=prev"/>
				<updated>2025-04-29T13:53:53Z</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;
				&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 13:53, 29 April 2025&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-l13&quot; &gt;Line 13:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 13:&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose product is designed to increase safety. Table saws can be highly dangerous if not used properly, because they feature a rapidly spinning {{w|circular saw}} protruding from the surface. If any part of someone's body comes into contact with the blade while it's spinning, it can cause severe injury or death. In general, it is not wise to touch even a normal stopped blade without being absolutely certain that the power cannot be turned on and the blade is not sharp enough to be dangerous at rest. SawStop products feature an automatic brake, designed to detect when flesh comes into contact with the blade. According to manufacturer claims, the brake (an aluminum block) will stop the blade within 5 milliseconds of detecting contact, followed by the blade retracting into the table. This is intended to prevent major injuries in the event of contact.&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose product is designed to increase safety. Table saws can be highly dangerous if not used properly, because they feature a rapidly spinning {{w|circular saw}} protruding from the surface. If any part of someone's body comes into contact with the blade while it's spinning, it can cause severe injury or death. In general, it is not wise to touch even a normal stopped blade without being absolutely certain that the power cannot be turned on and the blade is not sharp enough to be dangerous at rest. SawStop products feature an automatic brake, designed to detect when flesh comes into contact with the blade. According to manufacturer claims, the brake (an aluminum block) will stop the blade within 5 milliseconds of detecting contact, followed by the blade retracting into the table. This is intended to prevent major injuries in the event of contact.&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, [[Black Hat]] takes the notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly detects contact with skin and reacts within milliseconds, but rather than stopping the blade, his product uses an explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough, but the explosive device implies very rapid acceleration. It might even work if the tool is turned off and unplugged (usually a safe condition for working with saw blades)[Citation needed]. This 'feature' is specifically designed to run up to significantly damaging speeds the moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular.&amp;quot;&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, [[Black Hat]] takes the notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly detects contact with skin and reacts within milliseconds, but rather than stopping the blade, his product uses an explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough, but the explosive device implies very rapid acceleration. It might even work if the tool is turned off and unplugged (usually a safe condition for working with saw blades)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[&lt;/ins&gt;[Citation needed&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;]&lt;/ins&gt;]. This 'feature' is specifically designed to run up to significantly damaging speeds the moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular.&amp;quot;&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;This product is highly inefficient and unsafe, given the inherent danger of a rapidly accelerating saw blade. However, another possibly more important issue exists with this product: cost. SawStart is likely priced similarly to SawStop (around $1200 as of the time of writing), and may be used weekly or even daily. The net cost would be $62 400 for the saws alone, and around $187 200 in hospital bills, assuming the user resides in New York and is using SawStart weekly.&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 product is highly inefficient and unsafe, given the inherent danger of a rapidly accelerating saw blade. However, another possibly more important issue exists with this product: cost. SawStart is likely priced similarly to SawStop (around $1200 as of the time of writing), and may be used weekly or even daily. The net cost would be $62 400 for the saws alone, and around $187 200 in hospital bills, assuming the user resides in New York and is using SawStart weekly.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>CKcoolidge</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=375621&amp;oldid=prev</id>
		<title>CKcoolidge at 13:53, 29 April 2025</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=3067:_SawStart&amp;diff=375621&amp;oldid=prev"/>
				<updated>2025-04-29T13:53:20Z</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 13:53, 29 April 2025&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-l13&quot; &gt;Line 13:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 13:&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose product is designed to increase safety. Table saws can be highly dangerous if not used properly, because they feature a rapidly spinning {{w|circular saw}} protruding from the surface. If any part of someone's body comes into contact with the blade while it's spinning, it can cause severe injury or death. In general, it is not wise to touch even a normal stopped blade without being absolutely certain that the power cannot be turned on and the blade is not sharp enough to be dangerous at rest. SawStop products feature an automatic brake, designed to detect when flesh comes into contact with the blade. According to manufacturer claims, the brake (an aluminum block) will stop the blade within 5 milliseconds of detecting contact, followed by the blade retracting into the table. This is intended to prevent major injuries in the event of contact.&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;{{w|SawStop}} is an American {{w|table saw}} manufacturer whose product is designed to increase safety. Table saws can be highly dangerous if not used properly, because they feature a rapidly spinning {{w|circular saw}} protruding from the surface. If any part of someone's body comes into contact with the blade while it's spinning, it can cause severe injury or death. In general, it is not wise to touch even a normal stopped blade without being absolutely certain that the power cannot be turned on and the blade is not sharp enough to be dangerous at rest. SawStop products feature an automatic brake, designed to detect when flesh comes into contact with the blade. According to manufacturer claims, the brake (an aluminum block) will stop the blade within 5 milliseconds of detecting contact, followed by the blade retracting into the table. This is intended to prevent major injuries in the event of contact.&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, [[Black Hat]] takes the notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly detects contact with skin and reacts within milliseconds, but rather than stopping the blade, his product uses an explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough, but the explosive device implies very rapid acceleration&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, and &lt;/del&gt;might work &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;even &lt;/del&gt;if the tool is turned off and unplugged (usually a safe condition for working with saw blades). This 'feature' is specifically designed to run up to significantly damaging speeds the moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular.&amp;quot;&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, [[Black Hat]] takes the notion of a product designed to increase safety, and changes the design to do the opposite, making it much more dangerous. Like the SawStop design, his product ostensibly detects contact with skin and reacts within milliseconds, but rather than stopping the blade, his product uses an explosive charge to ''start'' a stationary blade. Simply turning a stationary blade on in the event of contact would be bad enough, but the explosive device implies very rapid acceleration&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. It &lt;/ins&gt;might &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;even &lt;/ins&gt;work if the tool is turned off and unplugged (usually a safe condition for working with saw blades)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[Citation needed]&lt;/ins&gt;. This 'feature' is specifically designed to run up to significantly damaging speeds the moment it is touched, likely causing severe injury. There is no benefit to such a system, and it exists solely to be malicious, which is likely why it's &amp;quot;less popular.&amp;quot;&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;This product is highly inefficient and unsafe, given the inherent danger of a rapidly accelerating saw blade. However, another possibly more important issue exists with this product: cost. SawStart is likely priced similarly to SawStop (around $1200 as of the time of writing), and may be used weekly or even daily. The net cost would be $62 400 for the saws alone, and around $187 200 in hospital bills, assuming the user resides in New York and is using SawStart weekly.&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 product is highly inefficient and unsafe, given the inherent danger of a rapidly accelerating saw blade. However, another possibly more important issue exists with this product: cost. SawStart is likely priced similarly to SawStop (around $1200 as of the time of writing), and may be used weekly or even daily. The net cost would be $62 400 for the saws alone, and around $187 200 in hospital bills, assuming the user resides in New York and is using SawStart weekly.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>CKcoolidge</name></author>	</entry>

	</feed>