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| Re: Union Station Photographers Rights Issue Gets Press Attention (628957) | |||
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Re: Union Station Photographers Rights Issue Gets Press Attention |
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Posted by Olog-hai on Thu Jun 5 15:32:48 2008, in response to Re: Union Station Photographers Rights Issue Gets Press Attention, posted by trainsarefun on Thu Jun 5 15:21:39 2008. Part of the special theory of relativity states that the speed of light is constant in all frames of reference. Since the formula E = mc˛ actually works, I'd regard that as proof of the statement. In the material universe, that is. Not to mention that all electromagnetic waves travel at that speed in all frames of reference as well—which is borne out by observing all of the above in several frames of reference.The only thing that changes the speed of light is the medium it passes through. And it's always slower than "c" (about 671 million mph). |
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