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From: Clive Arthur <clive@nowaytoday.co.uk>
Newsgroups: sci.electronics.design
Subject: Re: A new type of fridge, maybe also for cooling electronics?
Date: Fri, 5 Apr 2024 09:44:14 +0100
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On 05/04/2024 06:01, Jan Panteltje wrote:
> Elastocaloric cooling: Refrigerator cools by flexing artificial muscles
>   https://www.sciencedaily.com/releases/2024/04/240402192607.htm
> 
> Picture of the thing here:
>    https://www.uni-saarland.de/aktuell/hannover-messe-elastocaloric-cooling-refrigerator-30894.html
> 
> cooling the bitcoin machines?
> ;-)

Stretch an elastic band and it will heat up.  Allow it to dissipate this 
heat, then allow it to relax and it will cool down below ambient. 
Easiest way to feel this is on your philtrum.

I claim prior art from my schooldays.

-- 
Cheers
Clive