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Light-based listening: researchers develop a low-cost visual microphone
July 31, 2025
WASHINGTON, July 31 [Category: Medical] -- Optica, formerly the Optical Society, posted the following news release:

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Light-based listening: researchers develop a low-cost visual microphone

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31 July 2025

New approach makes it possible to hear through barriers like glass

WASHINGTON -- Researchers have created a microphone that listens with light instead of sound. Unlike traditional microphones, this visual microp . . .

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