鲜花( 16) 鸡蛋( 1)
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本帖最后由 湖紧掏 于 2018-2-13 09:58 编辑 2 V6 ~% b& _5 c5 _ O( T+ N, T
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- j: ?. x! E( T" s7 q; G% y. g这现象一百多年前就被人发现了,还是那个大名鼎鼎的特斯拉。
1 @$ N1 \: {+ H! _" V* _9 C! ghttps://en.m.wikipedia.org/wiki/Singing_Tesla_coil4 `! p3 @2 a, P/ p3 A
The singing Tesla coil, sometimes called a zeusaphone, thoramin or musical lightning, is a form of plasma speaker. It is a variation of a solid state Tesla coil that has been modified to produce musical tones by modulating its spark output. 4 p/ V. h- A/ l& v1 A+ [. s
就是放电电弧,把空气电离了,能发声。7 X6 F# c+ B7 Y2 A% x& o
* y0 I( ?& f, G3 G7 R+ E看来大师电学知识忘得差不多了,当年当副叫兽是不是忙着潜规则女研究生、还是忙着看风水? |
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