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	<id>http://memory-tau.org/w/index.php?action=history&amp;feed=atom&amp;title=Electromagnetic_radiation</id>
	<title>Electromagnetic radiation - Revision history</title>
	<link rel="self" type="application/atom+xml" href="http://memory-tau.org/w/index.php?action=history&amp;feed=atom&amp;title=Electromagnetic_radiation"/>
	<link rel="alternate" type="text/html" href="http://memory-tau.org/w/index.php?title=Electromagnetic_radiation&amp;action=history"/>
	<updated>2026-04-09T01:51:03Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.42.1</generator>
	<entry>
		<id>http://memory-tau.org/w/index.php?title=Electromagnetic_radiation&amp;diff=4086&amp;oldid=prev</id>
		<title>Idran at 16:49, 29 November 2017</title>
		<link rel="alternate" type="text/html" href="http://memory-tau.org/w/index.php?title=Electromagnetic_radiation&amp;diff=4086&amp;oldid=prev"/>
		<updated>2017-11-29T16:49:11Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&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;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:49, 29 November 2017&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-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;* Radiation consisting of excited &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;photons &lt;/del&gt;in varying frequencies&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;* Radiation consisting of excited &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[photon]]s &lt;/ins&gt;in varying frequencies&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Certain categories overlap; boundary between types not strict, and categories are as much from radiative source as from energy level&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Certain categories overlap; boundary between types not strict, and categories are as much from radiative source as from energy level&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* From least to most generally energetic:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* From least to most generally energetic:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Idran</name></author>
	</entry>
	<entry>
		<id>http://memory-tau.org/w/index.php?title=Electromagnetic_radiation&amp;diff=2499&amp;oldid=prev</id>
		<title>Idran at 15:17, 15 October 2017</title>
		<link rel="alternate" type="text/html" href="http://memory-tau.org/w/index.php?title=Electromagnetic_radiation&amp;diff=2499&amp;oldid=prev"/>
		<updated>2017-10-15T15:17:23Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&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;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 08:17, 15 October 2017&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-l16&quot;&gt;Line 16:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 16:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**** Ranges from 3.1-120 eV&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**** Ranges from 3.1-120 eV&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*** X-ray&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*** X-ray&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;**** Divided into soft X-rays (~&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;0.1&lt;/del&gt;-10 keV) and hard X-rays (10+ keV)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; 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;**** Divided into soft X-rays (~&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;100 eV&lt;/ins&gt;-10 keV) and hard X-rays (10+ keV)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**** Usually no more energetic than ~120 keV, but can be produced with energies upwards of 1 MeV; such are known as high-energy x-rays, or HEX-rays&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**** Usually no more energetic than ~120 keV, but can be produced with energies upwards of 1 MeV; such are known as high-energy x-rays, or HEX-rays&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**** HEX-rays distinguished from low-energy gamma radiation by source: charged particles colliding with matter&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;**** HEX-rays distinguished from low-energy gamma radiation by source: charged particles colliding with matter&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Idran</name></author>
	</entry>
	<entry>
		<id>http://memory-tau.org/w/index.php?title=Electromagnetic_radiation&amp;diff=2498&amp;oldid=prev</id>
		<title>Idran: Created page with &quot;* Radiation consisting of excited photons in varying frequencies * Certain categories overlap; boundary between types not strict, and categories are as much from radiative sou...&quot;</title>
		<link rel="alternate" type="text/html" href="http://memory-tau.org/w/index.php?title=Electromagnetic_radiation&amp;diff=2498&amp;oldid=prev"/>
		<updated>2017-10-15T15:16:54Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;* Radiation consisting of excited photons in varying frequencies * Certain categories overlap; boundary between types not strict, and categories are as much from radiative sou...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;* Radiation consisting of excited photons in varying frequencies&lt;br /&gt;
* Certain categories overlap; boundary between types not strict, and categories are as much from radiative source as from energy level&lt;br /&gt;
* From least to most generally energetic:&lt;br /&gt;
** Non-ionizing&lt;br /&gt;
*** Radio&lt;br /&gt;
**** Often used for STL [[communications]]&lt;br /&gt;
**** Ranges &amp;lt;1.24 µeV&lt;br /&gt;
*** Microwave&lt;br /&gt;
**** Ranges from 1.24 µeV–1.24 meV&lt;br /&gt;
*** Infrared&lt;br /&gt;
**** Ranges from 1.24 meV-1.7 eV&lt;br /&gt;
*** Visible light&lt;br /&gt;
**** Ranges from 1.7-3.1 eV&lt;br /&gt;
** Ionizing&lt;br /&gt;
*** Ultraviolet&lt;br /&gt;
**** Ranges from 3.1-120 eV&lt;br /&gt;
*** X-ray&lt;br /&gt;
**** Divided into soft X-rays (~0.1-10 keV) and hard X-rays (10+ keV)&lt;br /&gt;
**** Usually no more energetic than ~120 keV, but can be produced with energies upwards of 1 MeV; such are known as high-energy x-rays, or HEX-rays&lt;br /&gt;
**** HEX-rays distinguished from low-energy gamma radiation by source: charged particles colliding with matter&lt;br /&gt;
*** Gamma&lt;br /&gt;
**** Generally 125+ keV, but some nuclear decay detected as low as 0.08 keV&lt;br /&gt;
**** Low-energy gamma radiation distinguished from HEX-rays by source: produced by the nucleus of an atom, often through radioactive decay&lt;br /&gt;
* [https://en.wikipedia.org/wiki/Electromagnetic_radiation General properties]&lt;br /&gt;
&lt;br /&gt;
[[Category:Radiation]]&lt;/div&gt;</summary>
		<author><name>Idran</name></author>
	</entry>
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