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A comment on New material that can absorb and release enormous amounts of energy. Parent comment

Re:New material that can absorb and release enormous amounts... by vkou on Wednesday February 02, 2022 @06:18PM (#30185624)
You can, but the energy efficiency of this would be horrible. You'd lose a ton of energy to waste heat. Trying to collect that waste heat and turn it into useful energy would have a horrible Carnot efficiency.
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Re:New material that can absorb and release enormous amounts... by ncmncm on Wednesday February 02, 2022 @11:12PM (#30188559)
You keep it in an insulated container. Or, you let the environment warm it back to room temperature as it expands.
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