alt Hacker NewsYou can also listen for audio simply by measuring any vibrating surface with a laser. Which goes all the way back to the late 40s, used by the USSR. |
Fun fact, it was invented by Leon Theremin. The inventor of the Theremin.
Replies
fortran77 • today at 2:18 PM
You are completely wrong.
Here's what Theremin invented: https://en.wikipedia.org/wiki/The_Thing_(listening_device)
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fouc • today at 1:57 PM
>The theremin is an electronic musical instrument controlled without physical contact by the performer.
ForHackernews • today at 10:02 AM
https://en.wikipedia.org/wiki/The_Thing_(listening_device) is a fun read for people who haven't seen it before
1940s? The LASER device was invented in 1960. The Soviet spies used an infrared light beam.