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John Smith wrote:
... "they" do travel MUCH slower than the speed of light ... When traveling through a medium other than a vacuum they do travel MUCH slower than the speed of light *in a vacuum* but they travel at exactly the speed of light *in the medium*, i.e. the photons don't know that they have slowed down. :-) -- 73, Cecil http://www.w5dxp.com |
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