Coffee with hot milk but without hot water compared to coffee with 75% hot milk and 25% hot water. Seems the latter retains more heat. Note: Final beverage quantity of both cases are same and also assume milk and water having same temperature while making beverage.
In: Physics
Fat is very good at transferring heat. It’s why we use it for cooking. Milk is an emulsion of water and fat. The fat in the milk is much better at transferring the heat out than the water is, so it gets colder faster.
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