X-Message-Number: 12122
From: Thomas Donaldson <>
Subject: Re: CryoNet #12116 - #12119
Date: Wed, 14 Jul 1999 00:12:42 +1000 (EST)

To Magnus Redin:

Yes, experimenting with nonhuman subjects will be very important. I doubt
that any cryonicist wants to be revived without previous such experiments
good enough to develop methods to revive him/her to as good a state as
possible... not just experiments which succeed in reviving an animal, but
experiments which not only revive the animal but leave it in good health
afterwards, with as much memory as possible.

However freezing at the temperature of liquid nitrogen creates a situation
in which no significant changes will occur for thousands of years. Even
warmer (but well below 0 C) temperatures should keep someone virtually
the same for hundreds of years. (Once freezing turns you into a solid,
you're about as durable as rocks --- though you could be easily 
shattered, just like some rocks). 

Basically this means that we need not freeze and store any animals now
for future experiments. What we do need to do, and it is done by all the
cryonics societies, is to record as carefully as we know how just how
a patient was frozen. This allows future scientists/doctors to carry out
the same procedure on animals and thus study how to revive patients 
frozen by the same methods.

			Best wishes and long long life,

				Thomas Donaldson

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