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I thought Faraday cages had to be powered to block EM waves...
by stephengillie 12y ago
I thought Faraday cages had to be powered to block EM waves...
- msftie 12y agoYou just need a conductive metal container. http://en.wikipedia.org/wiki/Faraday_cage http://en.wikipedia.org/wiki/Faraday_cage