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2006-10-15 15:05:53 · 4 answers · asked by Anonymous in Science & Mathematics Physics

4 answers

use piezo electric material such as PZT which is lead zerconium titanate or quartz chrystal

2006-10-15 15:10:28 · answer #1 · answered by fancy 5 · 0 0

called a microphone it's like a small generator then amplified

2006-10-15 22:09:14 · answer #2 · answered by Chris 4 · 0 0

buy a microphone.

2006-10-15 22:08:06 · answer #3 · answered by Phil S 5 · 0 0

your ears do it every time you hear something!

2006-10-15 22:08:50 · answer #4 · answered by t_roy_e 3 · 0 0

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