X-Message-Number: 21245
Date: Sun, 23 Feb 2003 23:37:44 -0700
From: Mike Perry <>
Subject: Immersion in LN2 at Alcor

John Bull wrote:
>Charles Platt's explanation of LN2 levels brings back memories and raises a
>question.  Judging from all that's been said, Alcor patients are not
>immersed fully in LN2 rather they're  inserted head down in the cryostats

No, they *are* fully immersed, *and* they are inserted head-down, to 
optimize their care in an extreme emergency when LN2 supplies might be cut 
off for a lengthy period. So far, no such emergency has occurred or seemed 
likely.

Mike Perry

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