Why do thermos flask bottles advertise 24hrs cold and 12hrs hot. Shouldn’t it be the same amount of time for temps in both directions?
In: 1049
I can’t believe it, all the answers except one are wrong. And you’re all waay overthinking it. It’s simply because cold water has ice in it. Ice absorbs as much heat as water at -83C. You’re comparing 100C water with -83C water.
ELI5: ice is colder than hot water is hot.
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