The Visual Microphone

  1. nsaspook

    nsaspook 1,214
    Science Advisor

    https://www.youtube.com/watch?v=FKXOucXB4a8
     
    2 people like this.
  2. jcsd
  3. Borek

    Staff: Mentor

    Nice!
     
  4. atyy

    atyy 11,026
    Science Advisor

    Wikipedia gives some history: http://en.m.wikipedia.org/wiki/Laser_microphone
     
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