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The speed of light, one of the most sacrosanct of the universal physical constants, may have been lower as recently as two billion years ago - and not in some far corner of the universe, but right here on Earth.
Originally posted by cyberdude78
Well I hate the ATS search. I love ATS but I can never find anything on the search. Well it might have something to do with the fact that light slows down when it passes through matter. If light from a certain part of the universe passed through a nebula that might explain what scientists are seeing.