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Re: Cryogenically Frozen Rotors

Ok, Ok, so maybe it's not "absolute" zero. :-)
As someone else pointed out, it's pretty hard to get something down to
ablsolute zero, which if memory serves me, is something on the order of

I beleive they use (as previously stated) liquid nitrogen to bring the temp
down, but it's not instantaneous. The entire process, cooling and warming
back up, takes somewhere around 8 or more hours depending on the mass of the
item.  The company featured in the video I saw explained how they use temp
sensors within the container and a program to regulate the speed of cooling
and warming to prevent stress fractures.

Virtual Bob wrote:

> > I saw a portion of a program once ( I might actually have it on tape
> > too) on Discovery about a company that freezes items down to absolute
> > zero and then warms them back up. According to the show, metal seems to
> > ...
> So how do you get things to absolute zero? Sounds weird to me.
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