X-Message-Number: 1779
Date: Sat, 20 Feb 1993 13:44:31 MST
From: "Richard Schroeppel" <>
Subject: CRYONICS  Puzzlement about Ettinger -136C proposal

I retreived and read Ettinger's proposal for storage at -136C.
Very briefly, he recaps the theory that -136C is a better storage
temperature, and then suggests a method for doing it at reasonable
cost.  He suggests that the patient be wrapped in a conductor+
insulator sandwich, and then floated on pontoons above a pool of LN2.
I don't understand why this will equilbrate the patient at -136C.
LN2 is -196C, and the vapor shouldn't be much warmer, since it's
in direct contact with the liquid.  I suspect Ettinger has omitted
some obvious detail, or that I walked in on the middle of the
discussion.  Could someone clue me in?

Rich Schroeppel  

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