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 distance.
YouTuber Drake Anthony, who goes by "styropyro," has created what he claims is the world's strongest handheld laser. According to Anthony, the legal limit of a laser pointer is 5 milliwatts, so he ...
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