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foxpoint11
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What is the speed of light at 2.7 degrees K.If it`s less than C,you know what my next question is.
Empty space is not empty i am told, so we don`t have the classical definition of a vacuum so photons
are passing through something that should slow the photons down?
At cryogenic temperatures on earth,photons are as slow as or slower than photons through water.
Any clarification would be helpful.
foxpoint11
Empty space is not empty i am told, so we don`t have the classical definition of a vacuum so photons
are passing through something that should slow the photons down?
At cryogenic temperatures on earth,photons are as slow as or slower than photons through water.
Any clarification would be helpful.
foxpoint11