X-Message-Number: 21131
From: 
Date: Tue, 11 Feb 2003 16:20:51 EST
Subject: vitrification, repair

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Thomas Donaldson writes in part:

> Kurzweil begins his piece here with an apparent assumption that
> nanotechnology would be used to repair VITRIFIED patients. The 
> purpose of vitrification is to make repair of patients much
> easier and not require us to first develop suitable nanomachines.
> 

Yes, the purpose of vitrification is to reduce damage, but that doesn't 
necessarily mean that damage will be zero or will not need nano-equivalent 
means of repair. Perfusion by any means available in the near future will not 
be uniform, and mechanical damage by ice crystals is not the only kind.

We have high hopes for Dr. Pichugin's developing procedures, but 
fully-reversible-on-demand cryopreservation of a human patient is not 
something we expect soon. 

Robert Ettinger
Cryonics Institute
Immortalist Society
www.cryonics.org


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