X-Message-Number: 13274
From: "John de Rivaz" <>
Subject: Re: Huge quantities of inexpensive liquid nitrogen 
Date: Sun, 20 Feb 2000 08:00:21 -0000

A possible use for surplus liquid nitrogen was suggested on a BBC television
programme (possibly Tomorrow's World) - transport. Cars containing cylinders
of liquid nitrogen would use atmospheric heat to boil the nitrogen and use
the expansion in a "steam" engine for propulsion.

I am not totally convinced that the idea is practical, but it would be
convenient for people killed in road accidents - they would be cryopreserved
instead of cremated by fuel spillage :-)

The programme showed a van using the technology, so it certainly works even
if only for a one-off example.

Sincerely, John de Rivaz
my homepage links to Longevity Report, Fractal Report, my singles club for
people in Cornwall, music, Inventors' report, an autobio and various other
projects:       http://geocities.yahoo.com/longevityrpt

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