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Based on the 4 ways to transfer heat which is vaporazation, contact, radiation, and convection. If I needed to cool down an object for example a hot soup how would I do it, put it in the freezer to vaporize, put it in an ice bath to cool down, how would I radiate it to become cold, and do convection

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"how would I radiate it to become cold" just don't radiate it... – AccidentalFourierTransform Jan 14 at 17:55
    
well, there is en.wikipedia.org/wiki/Laser_cooling not really applicable on soup scale, though – Bort Jan 14 at 17:57
    
hypothetically @petersmith – A.H Jan 14 at 17:57
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@AccidentalFourierTransform Technically, "don't irradiate it"; radiating it would work if that were possible :-) – Carl Witthoft Jan 14 at 18:30

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