X-Message-Number: 21384
Date: Mon, 10 Mar 2003 23:50:09 -0000
Subject: Infinite life may be possible
From: <>

Very interesting article I found on the Extropians list:


Indefinite Information Processing in Ever-expanding Universes
http://arxiv.org/abs/gr-qc/0302076
Authors: John D. Barrow, Sigbjorn Hervik
Comments: 6 pages
We show that generic anisotropic universes arbitrarily close to the open
Friedmann universe allow information processing to continue into the
infinite future if there is no cosmological constant or stable
gravitationally repulsive stress, and the spatial topology is non-compact.
An infinite amount of information can be processed by ``civilisations'' who
harness the temperature gradients created by gravitational tidal energy.
These gradients are driven by the gravitational waves that sustain the
expansion shear and three-curvature anisotropy.
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I have always tried to take the perspective, when explaining cryonics, that 
we should simply assume that the universe will somewho allow us infinite 
life.  The above paper would seem to provide more ammunition for my viewpoint.

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