Power-free system harnesses evaporation to keep items cool
Researchers at MIT are working on a two-layered material that could preserve perishable goods for an extended period of time.
Camels have evolved a seemingly counterintuitive approach to keeping cool while conserving water in a scorching desert environment: They have a thick coat of insulating fur. Applying essentially the same approach, researchers at MIT have now developed a system that could help keep things like pharmaceuticals or fresh produce cool in hot environments, without the need for a power supply.
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