Elastocaloric heating and cooling. Another topic for @psychicwarrior.

Elastocaloric material heats up when exposed to a mechanical force field (F). When this heat is released into the environment and the force field is removed, the material supercools and extracts the same amount of heat from the environment again. The effect is reversible.

www.ipm.fraunhofer.de/.../elastocaloric-systems.html

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  • I can imagine the tricky bit of using it is arranging that it dumps the heat on one side of a barrier, and absorbs heat on the other side, without some ridiculously complicated and inefficient mechanical system.

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  • I can imagine the tricky bit of using it is arranging that it dumps the heat on one side of a barrier, and absorbs heat on the other side, without some ridiculously complicated and inefficient mechanical system.

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