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Old March 10th 07, 09:07 PM posted to rec.radio.amateur.homebrew,sci.electronics.design
John Smith I John Smith I is offline
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First recorded activity by RadioBanter: Dec 2006
Posts: 1,154
Default Detecting Ultrasound

Scott wrote:
It cuts off your ear if you get too close



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?


Be better if you could use it as an electric razor ...

JS