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A comment on 22-year British student invents a mobile fridge that could save many lives. Parent comment

Re:22-year British student invents a mobile fridge that coul... by makomk on Saturday September 10, 2016 @07:24PM (#12471353)
It's possible he couldn't get one anyway depending on how exactly it works. Ammonia-based refrigeration is very old technology: https://en.wikipedia.org/wiki/Icyball (In some of the other coverage he even mentions being inspired by this.)
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Re:22-year British student invents a mobile fridge that coul... by userbinator on Saturday September 10, 2016 @09:08PM (#12471609)
It's also relatively easy to build one, if you're not put off by ammonia or the high pressures involved:

http://crosleyautoclub.com/IcyBall/HomeBuilt/HomeBuilt.html

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