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ELI5: How do we make things cold? (by Sparky)
(29 / M-F / Massachusetts)
ELI5: How do we make things cold?
I understand that we typically use cold elements like Freon or nitrogen forced through radiators to create cold in fridges and air conditioners, but how do we make the nitrogen cold? If it involves removing energy, how do we do that? Thanks!
Source.
I understand that we typically use cold elements like Freon or nitrogen forced through radiators to create cold in fridges and air conditioners, but how do we make the nitrogen cold? If it involves removing energy, how do we do that? Thanks!
Source.
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