Itβs even more important than your drink! The fact that Iβve floats is what allows ice to act as an insulator on top of frozen lakes and oceans. If it sank, liquid water would take its place and freeze. After a while the whole body of water would be frozen.
this post was submitted on 22 Jun 2023
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Showerthoughts
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Never thought of this either! Makes me curious of the efficiency vs say a whiskey stone or equivalent
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.