View single post by EVPDave
 Posted: Apr 20th, 2011 08:14 AM
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EVPDave

 

Joined: Mar 7th, 2007
Location: USA
Posts: 206
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 mikesndbs wrote:
....Lots more to try, laser microphones sound interesting as do the UV diodes.

But, is there any evidence for the vibration that spirit can best work with?

I had assumed IR.

Cheers

 

Mike


If you study the designs of Hans Otto Koenig he had very good documented results using IR and UV light.

http://www.worlditc.org/c_04_s_bridge_19.htm