2005/04/22 | 法拉第笼[Faraday Cage]
类别(Ω〖物理〗) | 评论(0) | 阅读(65) | 发表于 13:58
A conducting cage used to shield electronic equipment. Amazingly, the law of electrostatics conspire so that electric fields outside are completely canceled out in the interior, as well as vice versa.
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