ATM (was Re: too many routes)

Vadim Antonov avg at
Fri Sep 12 04:28:00 UTC 1997

Quote from Jim Steinhardt's <jsteinha at>
personal message:

>>a) light is slower in dense media

>   The index of refraction of glass is 1.5 vs 1.0 for
>  a vacuum.  Hence, the speed of light in glass is 2 * 10 **8 m/s.

That gives 60 ms RTT on 4000 mile line.

Case closed.

Thanks, Jim!


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