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Silently ‘speak’ to someone across the room with an ultrasonic beam
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Silently ‘speak’ to someone across the room with an ultrasonic beam
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17th May 2017, 06:07
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| [M] Reviewer  Join Date: May 2010 Location: Romania
Posts: 148,462
 |  Silently ‘speak’ to someone across the room with an ultrasonic beam If you ever wanted to whisper across a crowded room, a new experimental device might let you deliver sneaky instructions -- if the awkward speaker and electrodes don't tip everyone off. Researchers at the University of Bristol built a wearable that t... https://www.engadget.com/2017/05/15/...trasonic-beam/ |
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