Enterprising engineers build world's smallest microphone

Thursday, January 5, 2012 - 10:30 in Physics & Chemistry

(PhysOrg.com) -- Imagine what you could do with a microphone so small, it’s almost invisible to the naked eye. Clearly there would be practical uses, such as in creating hearing aids that no one would notice, or devices that could be applied with a mild adhesive on or near the mouth or jaw bone to allow for instant communications via Bluetooth technology; but what of other more clever applications, such as always-on implanted heart monitors or super-sensitive devices that could be used as hidden monitors to detect intruders or the presence of others for those with vision impairments.

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