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Probably a stupid question, but will we ever have something like a microwave to make things cold? Is there a reason this can't exist?
(lemmy.dbzer0.com)
this post was submitted on 14 Sep 2023
464 points (94.3% liked)
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Yes or one of those weird ice cream things that has an extremely cold surface, or one of those things where you roll it in ice water or a million machines. "Machine that makes things cold" isn't sci fi.
heat pump