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A comment on Controversy continues over whether hot water freezes faster than cold. Parent comment

Re:Controversy continues over whether hot water freezes fast... by Const-me on Thursday June 30, 2022 @09:42AM (#31932231)
Convection works because density of warm fluid is less than density of cold one. The gravity causes hot fluid to rise, and cold fluid to sink.

For this reason, switching off the gravity stops the convection.

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