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#14
November 2nd 14, 11:01 AM
posted to rec.radio.amateur.antenna
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No antennae radiate all the power fed to them!
Lostgallifreyan wrote in
: True but to get the best of it you have to have high grade energy to radiate. (High temperatures, short wavelengths). If you could efficiently convert low grade warmth in large amounts, to a small source of incandescent light, you'd improve it. I'm not sure if such a process is easy or practical. To be worth doing, it would have to cost less energy to convert than the difference in that emitted for the two temperatures. It would probably have to use storage too, for long slow inputs, short strong bursts of output, which complicates things. Never mind what I wrote just now. Can't beat entropy. |
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