QZ qz thoughts
a blog from Eli the Bearded

Home Built Icyball

The Icyball was a commercially sold refridgeration system that had no moving parts and was powered by a heat source. Perfect for on the road cooling, or backwater farms with no electricity. This page discusses a home built modern version.

dead link: http://www.ggw.org/~cac/IcyBall/HomeBuilt/HomeBuilt.html