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    2020

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Neat News 2020-23 (added 2020-01-23)

Cooling by twisting

airConditioner.png
Public Domain by Ilmari Karonen

Using stress-induced crystallization, stretched rubber bands can absorb heat from their surroundings when they are allowed to relax. This process can in principle be used for refrigerating without the need for environmentally damaging substances.

News seen at: Scientific American - Engineering

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