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Echoes and Mirrors» Blog Archive » its maybe too early for this, really.

its maybe too early for this, really.

So Fast it goes… backward?

In the past few years, scientists have found ways to make light go both faster and slower than its usual speed limit, but now researchers at the University of Rochester have published a paper today in Science on how they’ve gone one step further: pushing light into reverse. As if to defy common sense, the backward-moving pulse of light travels faster than light.

Confused? You’re not alone.

“I’ve had some of the world’s experts scratching their heads over this one,” says Robert Boyd, the M. Parker Givens Professor of Optics at the University of Rochester. “Theory predicted that we could send light backwards, but nobody knew if the theory would hold up or even if it could be observed in laboratory conditions.”

Never the less, I’m sure any practical use for the manipulation of photon speeds are far away. Either that or we’ll be time traveling in the next ten to fifteen. I saw that movie, too. And time-travel doesn’t excite me that much because I understand that I will never get anywhere near the machine.

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