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They are interesting, but do present problems. Sorta like wireless electricity, in general. I think a better study would be zero point energy. Now that would be a technology to master!
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dabeaner I remember the crystal sets....there was no power source but you could listen to the radio....woohoo, and they think that all this techie stuff is new.
Are they reviving the "crystal set"? I use to make them when I was a kid with a germanium crystal and contact wire, along with wrapping wire around an oatmeal carton, earphones, etc.
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