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Old 01-02-2011, 01:31 PM   #1 (permalink)
Right Off the Assembly Line
 
Join Date: Feb 2011
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In the "so-futuristic-it-hurts" category, Princeton engineers have come up with a way to create a laser beam out of thin air. Their method, published in the journal Science yesterday, uses a focused laser pulse which causes another beam to be created from the air, carrying fingerprints of any molecules it encounters to a receiver.
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