The elevator shaft was a kind of heat sink. Hot food was cold by the time it arrived. Cold food got colder. No one knew what would happen to ice cream, but it would probably involve some rewriting of the laws of thermodynamics.

Terry Pratchett
About This Quote

The author described the problem of food cooling in the elevator when the sun is hot and the air is hot. The food gets hotter in the elevator due to the heat of the sun. However, when it gets into the elevator, there is no air to cool it down. Thus, the food keeps getting hotter even after getting into the elevator.

This problem will affect all foods that are exposed to heat in an environment where there is no air to cool them down. Instead, they will get hotter and hotter throughout their journey.

Source: Lords And Ladies

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