X-Message-Number: 3364 Date: Fri, 28 Oct 1994 12:41:23 -0400 From: Ken Stone <> Subject: CRYONICS Question regarding ice crystal formation Someone touched on the notion of using high pressures during suspensions a few weeks ago, but then I didn't see anything more about it, or any of the follow-up that I hoped for. The idea presented involved massively increasing the pressure during suspension over an extremely short period of time in order to convert the person into a solid in a snap. A few persons expressed reservations about the technique, noting that the quick changes in pressure would smush the patient. My question is, why is there a need for that kind of instantaneous pressure change, any way? Why can't a patient's pressure simply be gradually increased to a point where ice expansion doesn't occur during cooling? Is the problem really with ice crystal formation itself, or just with the deformation caused by expansion occurring when crystals form at 'normal' pressures? ---Ken =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Ken Stone - "Listen to what I say, not what I mean." =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Rate This Message: http://www.cryonet.org/cgi-bin/rate.cgi?msg=3364