Re: SCI: existance -vs- non-existance

michael k teehan (miketeehan@worldnet.att.net)
Thu, 4 Dec 1997 06:59:23 -0500


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> From: Anders Sandberg <asa@nada.kth.se>
> To: extropians@extropy.com
> Subject: Re: SCI: existance -vs- non-existance
> Date: Thursday, December 04, 1997 5:03 AM
>
> Ian Camilleri <ian.camilleri@utoronto.ca> writes:
>
> > If it takes a large gravity well to create a wormhole, or in effect, a
> > black hole or singularity, how would it be possible to traverse?
Anything
> > like a black hole would tear you to shreads and crunch you into
infinitly
> > dense particles.
>
> Wormholes may have this problem, the jury is still out on that. The
> energy densities and space-time curvatures involved in wormholes are
> comparable to black holes (but "negative" in some sense), and there
> are many wormhole models that are not traversable at all since they
> collapse, have infinite blueshifts and other nastiness. But on the
> other hand, just as very large black holes would have fairly weak
> tidal forces at their event horizons, traversable wormholes with
> sufficiently large throats might be survivable.
>
> --
> -----------------------------------------------------------------------
> Anders Sandberg Towards Ascension!
> asa@nada.kth.se http://www.nada.kth.se/~asa/
> GCS/M/S/O d++ -p+ c++++ !l u+ e++ m++ s+/+ n--- h+/* f+ g+ w++ t+ r+ !y
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> From: Anders Sandberg <asa@nada.kth.se>
> To: extropians@extropy.com
> Subject: Re: SCI: existance -vs- = non-existance
> Date: Thursday, December 04, 1997 5:03 AM
> =
> Ian Camilleri <ian.camilleri@utoronto.ca> writes:
>
> > If it takes a large = gravity well to create a wormhole, or in effect, a
> > black = hole or singularity, how would it be possible to traverse? =  Anything
> > like a black hole would tear you to shreads = and crunch you into infinitly
> > dense particles.
> =
> Wormholes may have this problem, the jury is still out on that. = The
> energy densities and space-time curvatures involved in = wormholes are
> comparable to black holes (but = "negative" in some sense), and there
> are many wormhole = models that are not traversable at all since they
> collapse, have = infinite blueshifts and other nastiness. But on the
> other hand, = just as very large black holes would have fairly weak
> tidal = forces at their event horizons, traversable wormholes with
> = sufficiently large throats might be survivable.
>
> -- =
> = -----------------------------------------------------------------------> Anders Sandberg =             &= nbsp;           &n= bsp;           &nb= sp;Towards Ascension!
> asa@nada.kth.se =             &= nbsp;           &n= bsp;  http://www.nada.kth.se/~asa/
> GCS/M/S/O d++ -p+ c++++ !l u+ e++ m++ s+/+ = n--- h+/* f+ g+ w++ t+ r+ !y

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