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	<title>Experimentum Crucis for Magnetic Interaction - Revision history</title>
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	<updated>2026-04-09T20:09:49Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://naturalphilosophy.org/wiki/index.php?title=Experimentum_Crucis_for_Magnetic_Interaction&amp;diff=18161&amp;oldid=prev</id>
		<title>Maintenance script: Imported from text file</title>
		<link rel="alternate" type="text/html" href="http://naturalphilosophy.org/wiki/index.php?title=Experimentum_Crucis_for_Magnetic_Interaction&amp;diff=18161&amp;oldid=prev"/>
		<updated>2017-01-01T17:24:17Z</updated>

		<summary type="html">&lt;p&gt;Imported from text file&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&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 13:24, 1 January 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-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=&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;==Abstract==&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;==Abstract==&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;br&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;br&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;The investigation of the long-standing controversy over the precise formulation of the magnetic interaction between steady currents (or between uniformly moving charges) is re-opened. An experimental technique is proposed whereby the distinction between the Ampere-Weber ?central force&#039; formulation and the Grassmann-Lorentz ?normal force&#039; formulation can be demonstrated decisively within a modestly equipped laboratory. Although no preference is advanced on theoretical grounds, a confirmation of the ?normal force&#039; law would have notable consequences for theory: the third law of motion could only be satisfied through reaction against a background medium, and the possibility of a ?jetless&#039; propulsion system is thereby suggested. It is also argued that the ?longitudinal&#039; portion of the original Ampere force law is nonetheless compatible with, and perhaps necessary for, either possible outcome.[[Category:Scientific Paper]]&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;The investigation of the long-standing controversy over the precise formulation of the magnetic interaction between steady currents (or between uniformly moving charges) is re-opened. An experimental technique is proposed whereby the distinction between the Ampere-Weber ?central force&#039; formulation and the Grassmann-Lorentz ?normal force&#039; formulation can be demonstrated decisively within a modestly equipped laboratory. Although no preference is advanced on theoretical grounds, a confirmation of the ?normal force&#039; law would have notable consequences for theory: the third law of motion could only be satisfied through reaction against a background medium, and the possibility of a ?jetless&#039; propulsion system is thereby suggested. It is also argued that the ?longitudinal&#039; portion of the original Ampere force law is nonetheless compatible with, and perhaps necessary for, either possible outcome.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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;[[Category:Scientific Paper&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|experimentum crucis magnetic interaction&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Maintenance script</name></author>
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	<entry>
		<id>http://naturalphilosophy.org/wiki/index.php?title=Experimentum_Crucis_for_Magnetic_Interaction&amp;diff=867&amp;oldid=prev</id>
		<title>Maintenance script: Imported from text file</title>
		<link rel="alternate" type="text/html" href="http://naturalphilosophy.org/wiki/index.php?title=Experimentum_Crucis_for_Magnetic_Interaction&amp;diff=867&amp;oldid=prev"/>
		<updated>2016-12-30T01:19:08Z</updated>

		<summary type="html">&lt;p&gt;Imported from text file&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Infobox paper&lt;br /&gt;
| title = Experimentum Crucis for Magnetic Interaction&lt;br /&gt;
| url = [http://www.naturalphilosophy.org/pdf/abstracts/abstracts_5234.pdf Link to paper]&lt;br /&gt;
| author = [[Stewart Ian Wells]]&lt;br /&gt;
| published = 2010&lt;br /&gt;
| journal = [[Proceedings of the NPA]]&lt;br /&gt;
| volume = [[7]]&lt;br /&gt;
| num_pages = 4&lt;br /&gt;
| pages = 612-619&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Read the full paper&amp;#039;&amp;#039;&amp;#039; [http://www.naturalphilosophy.org/pdf/abstracts/abstracts_5234.pdf here]&lt;br /&gt;
&lt;br /&gt;
==Abstract==&lt;br /&gt;
&lt;br /&gt;
The investigation of the long-standing controversy over the precise formulation of the magnetic interaction between steady currents (or between uniformly moving charges) is re-opened. An experimental technique is proposed whereby the distinction between the Ampere-Weber ?central force&amp;#039; formulation and the Grassmann-Lorentz ?normal force&amp;#039; formulation can be demonstrated decisively within a modestly equipped laboratory. Although no preference is advanced on theoretical grounds, a confirmation of the ?normal force&amp;#039; law would have notable consequences for theory: the third law of motion could only be satisfied through reaction against a background medium, and the possibility of a ?jetless&amp;#039; propulsion system is thereby suggested. It is also argued that the ?longitudinal&amp;#039; portion of the original Ampere force law is nonetheless compatible with, and perhaps necessary for, either possible outcome.[[Category:Scientific Paper]]&lt;/div&gt;</summary>
		<author><name>Maintenance script</name></author>
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