XPost: alt.home.repair, uk.d-i-y   
   From: usenet@andyburns.uk   
      
   Mark Lloyd wrote:   
      
   > I once had an audio amplifier with a solar cell rather than a microphone   
   > for the input transducer. This made it possible to listen to light. The   
   > sun is steady, incandescent lights (AC powered) hum.   
   >   
   > That was 40 years ago. Maybe something like that would work today.   
      
   Certainly if you connect a solar cell to an oscilloscope, you can see   
   the difference between   
      
   incandescent and LED GU10 lamps fed 240V mains   
      
   incandescent and LED MR16 lamps fed 12V from an electronic 'transformer'   
      
   a dimmer feeding either of the above.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)