Showerthoughts

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The best ones are thoughts that many people can relate to and they find something funny or interesting in regular stuff.

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It's quite handy that ice floats for summer drinks (lemmy.world)

submitted 1 year ago by [email protected] to c/[email protected]

3 comments fedilink hide all child comments

Ice floating and cooling the upper part of a drink should start a natural convection type cycle which cools the whole drink. If the ice sank, you'd have a very warm surface layer. Never thought about this with focus before 😅

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[–] [email protected] 0 points 1 year ago (1 children)

Never thought of this either! Makes me curious of the efficiency vs say a whiskey stone or equivalent

[–] [email protected] 1 points 1 year ago

Stones are less effective overall because they don't melt. A very substantial part of the temperature change you get from putting ice in something is actually from thermal energy in the liquid going towards breaking the bonds between molecules that comprise solid ice in order to make it water. Without that sink for heat, you'll still cool your drink by allowing the colder solid to absorb heat from the liquid, but the temperature change will not be nearly as much.