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Article #5717Re: Another antigravity device
From: Keith Ramsay
Date: Tue, 15 Dec 1992 20:06
Date: Tue, 15 Dec 1992 20:06
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In article <1992Dec15.013620.24161@galois.mit.edu> jbaez@riesz.mit.edu (John C. Baez) writes: >Imagine an extremely (although not infinitely) rigid crystal. It takes >a huge amount of energy to deform the crystal lattice ever so slightly. It occurred to me that such a crystal might at least be difficult to rotate, for similar reasons-- uneven Lorenz contraction produces a strain. Keith Ramsay ramsay@math.ubc.ca
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Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!qt.cs.utexas.edu!yale.edu!yale!gumby!destroyer!cs.ubc.ca!unixg.ubc.ca!ramsay From: ramsay@math.ubc.ca (Keith Ramsay) Newsgroups: sci.physics Subject: Re: Another antigravity device Date: 15 Dec 1992 20:06:46 GMT Organization: University of British Columbia, Vancouver, B.C., Canada Lines: 12 Message-ID: <1gldsmINNl6e@iskut.ucs.ubc.ca> References: <1992Dec15.013620.24161@galois.mit.edu> NNTP-Posting-Host: euclid.math.ubc.ca