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Article #4649

Re: GR with no Einstein? (Was: Re: No big crunch?)

#4649
From: Matthew P Wiener
Date: Tue, 10 Nov 1992 20:53
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In article <1992Nov9.182446.13635@murdoch.acc.Virginia.EDU>, crb7q@kelvin (Cameron Randale Bass) writes:
>     It is wonderful what we can do once we know the 'answer', no?

Yes.  It makes it easy to say absolutely anything regarding what might
have been.

>     Though many people were working on gravitation, and always had
>     been working on gravitation (and there are still people working
>     on alternatives), it wasn't like there was any vastly compelling
>     reason to overthrow Newton.

Huh?  How about the incompatibility of SR with gravitation?

>>  (3)   One does have to decide what "GR would have been developed" means.
>>    	Would it count to have a theory equivalent to GR, not generally
>>    	accepted but merely one of a welter of competing theories?

>     Absolutely, if we had had to wait until renormalizability
>     became a criterion for physical law, I suspect that *no* such
>     theory would have become accepted.

I have to agree that Einstein's absolute imprimatur and the mystique of
the immense difficulty of GR and the post-WW1 Eddington eclipse measurement
carried GR permanantly into the #1 position over its then non-existent
competition.
-- 
-Matthew P Wiener (weemba@sagi.wistar.upenn.edu)
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From: weemba@sagi.wistar.upenn.edu (Matthew P Wiener)
Newsgroups: sci.physics
Subject: Re: GR with no Einstein? (Was: Re: No big crunch?)
Message-ID: <97014@netnews.upenn.edu>
Date: 10 Nov 92 20:53:23 GMT
References: <1992Nov9.182446.13635@murdoch.acc.Virginia.EDU>
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Reply-To: weemba@sagi.wistar.upenn.edu (Matthew P Wiener)
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In-reply-to: crb7q@kelvin.seas.Virginia.EDU (Cameron Randale Bass)