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Graphene Microphone

Scientists have just built the world’s first graphene-based condenser microphone. It’s roughly 32 times more sensitive than garden-variety nickel mics over a range of audible frequencies and boasts 15 decibels higher sensitivity than commercial microphones. http://gizmodo.com/a-graphene-microphone-may-pick-up-sounds-far-beyond-the-1744957150 #tech

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