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Light Speed

Speed Of Light May Not Be Constant After All, Physicists Say

Posted 04.29.2013 | Science

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....

Silence of the Aliens

Santhosh Mathew, PhD | Posted 05.25.2011 | Technology
Santhosh Mathew, PhD

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."