By: Jesse Emspak, LiveScience Contributor
Published: 04/28/2013 09:35 AM EDT on LiveScience
The speed of light is constant, or so textbooks say....
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GENEVA — One of the very pillars of physics and Einstein's theory of relativity – that nothing can go faster than the speed of light &ndas...
So far, the universe hasn't disclosed all its secrets. As the famous science fiction writer Arthur C. Clarke once said, "Either we are alone in the Universe or we are not. Both are equally terrifying."
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