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To: gr8eman; FredZarguna

Sorry pal. I think you’re thinking of lasers, which indeed emit photons. But that is not the only source of photons, not by a long shot.

The radar “waves” emitted and detected by radar antennas are themselves a type of photon. Every kind of electromagnetic radiation is composed of photons.


36 posted on 12/18/2012 11:07:25 AM PST by ccmay (Too much Law; not enough Order.)
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To: ccmay

Yes...the waves emit photons across the electromagnetic spectrum.


59 posted on 12/28/2012 6:04:12 AM PST by gr8eman (Ron Swanson for President!)
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