4 ene 1915 año - Albert Einstein makes theory of relativity.
Descripción:
Albert Einstein, in his theory of special relativity, determined that the laws of physics are the same for all non-accelerating observers, and he showed that the speed of light within a vacuum is the same no matter the speed at which an observer travels, according
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fecha:
4 ene 1915 año
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~ 110 years ago