Spy Tech: Build Your Own Laser Eavesdropper

hackaday.com

Spy Tech: Build Your Own Laser Eavesdropper

hackaday.com

cm0002@lemmy.world to

Hardware · 1 day ago

Laser microphones have been around since the Cold War. Back in those days, they were a favorite tool of the KGB – allowing spies to listen in on what was being said in a room from a safe dist…

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