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Re: [Phys-l] how to prove relativity

John Clement wrote:
...
But he knows that light always travels at the same speed...

John M. Clement
Houston, TX
...except when it doesn't, that is. It's always amusing to read that,
"yes, it APPEARS to travel slower through air, water, plastics etc..."

Some people have to work with the various fractions of c at which
EM waves ACTUALLY (appear to) travel.
:-)

Brian W