View Single Post
  #31   Report Post  
Old March 15th 07, 11:18 PM posted to rec.radio.amateur.homebrew,sci.electronics.design
PeterD PeterD is offline
external usenet poster
 
First recorded activity by RadioBanter: Mar 2007
Posts: 28
Default Detecting Ultrasound

On Sat, 10 Mar 2007 12:35:30 -0600, clifto wrote:

Stace MacGuyver wrote:
Suspend a thin shaving razor blade between two pieces of dental floss and put
your ear close to the blade. Watch the razor vibrate.


That's pretty cool, MacGuyver. Does the razor blade do anything?


Yes, it shaves your ear!