Inspired by bats, a new ultra-low-power sensing system enables tiny drones to navigate through darkness, smoke and dust, where cameras and other light-based sensors fail.
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Engineers designed a wristband that enables wearers to control a robotic hand with such dexterity that it can play the piano.
The proposal is based on their findings which show for the first time that hedgehogs can hear high-frequency ultrasound.
The range of materials that concrete contains scatters normal sound waves, making clear imaging difficult to obtain.
BERLIN — Androscoggin Valley Hospital ultrasound technologist Cassandra Claffey recently earned the additional credential of registered vascul…