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Physics
Special and General Relativity
How to rule out that the speed of light was different in the past?
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[QUOTE="victorvmotti, post: 6847720, member: 492233"] The constancy of the speed of light is a fundamental principle in modern physics, and it is supported by a wide range of current experimental evidence. There is no evidence to suggest that the speed of light was different in the past, and the idea that it could have been different is at odds with current scientific understanding. But how can we test and experiment in the present and definitely rule out that the speed of light was differenet in the past? [/QUOTE]
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Forums
Physics
Special and General Relativity
How to rule out that the speed of light was different in the past?
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