How does it happen that i just put a bottle of water in the fridge and when i take it out it’s cold? How can we just “charge“ stuff with coldness? Warmth is energy but what is it when something is cold? Energy aswell?
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Technically, we don’t make things cold; we remove the heat from them. Of course it’s the same thing in practical terms, but yeah. The refrigerant in the coils absorbs the heat and then takes the heat outside the refrigerator.
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