Thread: Post O scope of signal from gold or diamond
View Single Post
  #10  
Old 02-07-2008, 06:54 PM
Esteban's Avatar
Esteban Esteban is offline
Guru
  
Join Date: Mar 2005
Location: In the Heart of South America
Posts: 2,454
Default
I remember that maybe 15 years ago this was taken. When gold was detected a phototransistor catch the small difference and produce the audio.
Attached Images
 
Reply With Quote