4 ms·

And every surface can be a speaker with lasers..

• uvesten 2y ago
  …and a microphone?
  • Piskvorrr 2y ago
    Yes. IIRC there were some eavesdropping cases where sound was read from a fairly remote glass pane.
    • keville 2y ago
      https://news.mit.edu/2014/algorithm-recovers-speech-from-vibrations-0804 https://news.mit.edu/2014/algorithm-recovers-speech-from-vib... How about through a glass pane, off of a bag of chips?
      • Piskvorrr 2y ago
        Oh, cool. That's a decade ago, though - technology must have progressed, surely.
• salomonk_mur 2y ago
  How?