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Does Hot Water Freeze Faster Than Cold Water?

Sciencium · 5M views · 2017-02-08 · 7:38

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Overview

Sciencium examines the Mpemba effect, the claim that hot water freezes faster than cold water. It walks through experiments and a published paper questioning the effect.

On Hacker News

HN cites it as a concise rundown of why the Mpemba effect likely does not hold up.

Discussed on HN; no positive recommendation is recorded in this export · HN mentions 2020–2026

Topics

Everyday physics & science demosFundamental physics
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freezingphysicsexperimentsdebunkingthermodynamics

What people said

chotmat · 2026-03 · Reference

It's because you was wrong (or at least not correct). The Mpemba Effect wasn't scientifically proven, and can be explained away with error in measurement. [VIDEO]

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simonjgreen · 2022-06 · Reference

There was a video by Derek/Veritasium as few years ago explaining this and also walking through all the experiments that demonstrate the effect does not in fact exist. [VIDEO]

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aaron695 · 2020-08 · Reference

We all get the Mpemba effect is totally fake right? You all own freezers so you can test it for yourself, it was found by a child making icecream so it will be easy! And if you're the !first! to put it on Youtube that'd be cool. Sciencium talks about it here if you want an ok run down and how it's not real - [VIDEO]

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Sources

Video by Sciencium, played through YouTube.

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