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Posting-Version: version B 2.10.2 9/5/84; site cadomin.UUCP
Path: utzoo!utcsri!ubc-vision!alberta!cadomin!andrew
From: andrew@cadomin.UUCP (Andrew Folkins)
Newsgroups: net.startrek
Subject: Re: New discussion
Message-ID: <638@cadomin.UUCP>
Date: Mon, 4-Nov-85 14:21:14 EST
Article-I.D.: cadomin.638
Posted: Mon Nov  4 14:21:14 1985
Date-Received: Mon, 4-Nov-85 18:45:22 EST
References: <353@uw-june.UUCP> <8500013@orstcs.UUCP> <198@ur-tut.UUCP>
Reply-To: andrew@alberta.UUCP (Andrew Folkins)
Distribution: net
Organization: U. of Alberta, Edmonton, AB
Lines: 13
Keywords: speed of light
Summary: 

In article <198@ur-tut.UUCP> scco@ur-tut.UUCP (Sean Colbath) writes:
>
>WHAT???  The speed of light in water is much less than the speed of light 
>in a vacuum????  AAAUUUGHH!!  Einstein just rolled over!  I always thought:
>'The speed of light is the same for all observers, no matter what his 
>frame of reference'...  If what you say is true, then all kinds of phenomena
>would open up simply by exceeding this 'slower' speed in water...  Eek! 
>

That's "The speed of light IN A VACUUM is the same for all observers . . ."
If you did the stereotypical 'two spaceships approaching each other at 0.8c'
experiment underwater, the basic premises of relativity would still hold. 
(Hmm, 0.8c in a submarine, just think of the effects *that* would have!)