= Maxwell's equations require special relativity
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The following aspects of <Maxwell's equations> make no sense without <special relativity>:
* the <Lorentz force> would be different observers have different speeds, see e.g.: <charged particle moving at the same speed of electrons thought experiment>
* <Maxwell's equations imply that the speed of light is the same for all inertial reference frames>
When charged particle though experiment are seen from the point of view of special relativity, it becomes clear that magnetism is just a direct side effect of charges being viewed in special relativity. One is philosophically reminded of how <the Dirac equation predicts spin>[spin is the consequence of quantum mechanics + special relativity].
Bibliography:
* http://richardhaskell.com/files/Special%20Relativity%20and%20Maxwells%20Equations.pdf
* https://en.wikipedia.org/w/index.php?title=Lorentz_transformation&oldid=909991141\#Transformation_of_the_electromagnetic_field