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"Mystery booms" cause identified

So-called "mystery booms" that have puzzled residents in California's Gold Country appear to be coming from a U.S. military installation over 100 miles away in the Nevada desert.

dateAug 02, 2015 in Earth Sciences
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Carbon nanotube speakers play music with heat

Troy Bouman reaches over, presses play, and the loudspeaker sitting on the desk starts playing the university fight song. But this is no ordinary loudspeaker. This is a carbon nanotube transducer—and it makes sound with ...

dateJul 28, 2015 in Nanomaterials
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