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Jan8-11, 08:46 AM
Sci Advisor
P: 1,716
I thought that the idea that the speed of light is a constant in every reference frame came from the Michelson-Morely experiment. But a friend of mine was saying that Einstein supposed that if one could catch up to a light beam then it would no longer be moving and would then not be an electromagnetic wave. This would violate Maxwell's equations. Wouldn't this thought experiment suggest that the speed of light is constant?
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