'Whisper' laser tech sends audible messages to specific people - Engadget

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'Whisper' laser tech sends audible messages to specific people (https://www.engadget.com/2019/01/28/whisper-laser-tech-sound-to-targeted-people/) EngadgetResearchers from MIT have discovered a way to send highly targeted audio signals directly to someone's ear at a distance using laser beams. The system works ...

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أكثر... (https://www.engadget.com/2019/01/28/whisper-laser-tech-sound-to-targeted-people/)