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#12
March 10th 07, 06:47 PM
posted to rec.radio.amateur.homebrew,sci.electronics.design
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Detecting Ultrasound
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? |
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