XPost: misc.news.internet.discuss   
   From: here@is.invalid   
      
   Eavesdropping on Sound Using Variations in Light Bulbs   
      
   New research is able to recover sound waves in a room by observing   
   minute changes in the room's light bulbs. This technique works from a   
   distance, even from a building across the street through a window   
      
   https://www.schneier.com/blog/archives/2020/06/eavesdropping_o_9.html   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)