Re: A non-tachyon, still-follows-Einsten's-rules FTL idea ... PLEASE comment on it!!!

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Article #8322

#8322

From: Chris Wagner
Date: Tue, 01 Apr 1997 00:00

32 lines
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James Grady Ward wrote:
> 
> Chris Wagner wrote:
> >
> > You're saying that the gravity drive will propel you faster than c.  For
> > this to be so, the gravity would have to propogate infront of the ship
> > faster than c or else it would be overtaken by the ship itself!
> > ..Unless
> > you want to sell the idea that gravity moves faster than c...
> 
> well if you want singualrities to exist, you have to allow that gravity
> can "propagate" faster than c.  the only way the gravity well of a
> singularity can be formed in a finite time is if at some point the
> rate at which space is being bent( and thus gravity increasing) is
> infinite.

An interesting question.  However, the flaw in your argument is that no
matter *how* fast the gravity well can form it can *never* get to
infinity
unless it goes infinitly fast.  This leads us to the idea that
singularities
don't require an infinite space time distortion or that singularities
don't 
exist as we concieve them.  A virtual singularity.  You don't need
infinite
density or zero volume in order to catch a light wave.  Only a greater
than
critical density.

Anybody care to calculate the critical density needed to catch a light
wave?

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From: Chris Wagner <wagnerc@ucunix.san.uc.edu>
Subject: Re: A non-tachyon, still-follows-Einsten's-rules FTL idea ... PLEASE comment on it!!!
Date: 1997/04/01
Message-ID: <3341E48D.5607@ucunix.san.uc.edu>
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Organization: University of Cincinnati, Chemical Engineering
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