And lo On Tue, 06 Jan 2009 12:46:26 -0000, Invisible <voi### [at] devnull> did  
spake thusly:

>>> Super-saturated salt solution. ;-) Just in case.
>>  And that'll keep you warm how? ;-)
>
> Because, old chap, when I snap the small metallic band, the entire  
> solution will crystalise, releasing heat. >:-D

Oh one of those, I get you now; I was thinking of some sort of ultra  
de-icer. Those are quite neat I picked up three on some trip, they also  
had huge ones to put behind your neck too.

-- 
Phil Cook

--
I once tried to be apathetic, but I just couldn't be bothered
http://flipc.blogspot.com

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