szczys writes: Theremin, yes the same Theremin who built the instrument that made the Star Trek theme song famous, had a hand in espionage as well. Albeit not a willing one. Turns out his life is actually quite tragic. In addition to that story, Adam Fabio takes a trip through the details of “The Thing”, a bug installed in the US Embassy by the Soviet Union during the cold war. It used no batteries, instead depending on a carrier frequency transmitted by the “listener”, causing the resonant cavity to transmit back the audio from the room at a higher frequency. Pretty nifty, and so was the hiding place: a hand-carved wooden seal of the United States. Beware Greeks Bearing Gifts, right? Read more of this story at Slashdot.
See the original article here:
Theremin’s Bug Let Soviets Spy On USA For More Than 7 Years