If your Physics books told you that nothing travels faster than Light then better brush up the facts. Prof. Boyd of University of Rochester has "recently showed how he can slow down a pulse of light to slower than an airplane, or speed it up faster than its breakneck pace, using exotic techniques and materials. But he's now taken what was once just a mathematical oddity—negative speed—and shown it working in the real world." For details read on, Light's Most Exotic Trick Yet: So Fast it Goes ... Backwards?
As Boyd is eager to put Einstein to the test, we must remember what Robert Oppenheimer once said, "There must be no barriers for freedom of inquiry. There is no place for dogma in science. The scientist is free, and must be free to ask any question, to doubt any assertion, to seek for any evidence, to correct any errors."
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