ultrasonic pain inducer?

- Z
- ziliath
  
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posted
18 years ago

Mon, Apr 19, 2004 3:37 AM

Hi all,
Can anyone tell me, are the devices described on the following
webpage genuinely effective or just bogus?

formatting link

Thanks.

- M
- Mark Thorson
  
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posted
18 years ago

Mon, Apr 19, 2004 4:14 AM

Ha! I wouldn't bet your life on it!
Don't these claims seem rather extraordinary for a device powered by a mere 9-volt battery?

- A
- Allen L. Barker
  
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posted
18 years ago

Tue, Apr 20, 2004 10:26 AM

The devices on that page probably do something, but probably not all that the marketing copy would have you believe.
For info on a real ultrasonic pain inducer, check out:

formatting link

devices use the mixing of two ultrasonic beams to produce another acoustic signal at the absolute difference of the original frequencies. Besides inducing pain, other variations of the device can send "voices" and other sounds to people which seem to them to be originating inside their head.

- Z
- ziliath
  
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posted
18 years ago

Tue, Apr 20, 2004 6:04 PM

A very helpful response. Thank you.

ultrasonic pain inducer?

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