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rosoo
· 7 years ago
· FIRST
I'm confused
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boredatwork
· 7 years ago
They’re cooling down their hot drink by passing it through a bowl of cold water as they drink it.
17
the_average_gatsby
· 7 years ago
It's a very low tech heat exchanger
4
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rosoo
· 7 years ago
Oh
1
jimcrichton
· 7 years ago
Use a crazy straw for the cold section to increase heat exchange efficiency
2
guest
· 7 years ago
Ooooh, I like how you think!
