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?
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?


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It is called liquid nitrogen and it is too expensive to store.
23 0 ReplyIt's not just too expensive to store, it's thermodynamically impossible to store indefinitely at room temperature.
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