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A comment on The emergence of heat and humidity too severe for human tolerance (2020). Parent comment

Re:The emergence of heat and humidity too severe for human t... by michaelbuckbee on Wednesday August 11, 2021 @10:06AM (#28142133)
This reminds me of how the London Underground used to be much cooler, but the trains have raised the temperature of the clay surrounding the tunnels sufficiently that it never cools off:

https://en.wikipedia.org/wiki/London_Underground_cooling

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Re:The emergence of heat and humidity too severe for human t... by mastax on Wednesday August 11, 2021 @11:22AM (#28143080)
Relevant: https://youtu.be/Y8RfeAmLfn8

There's also all the body heat, and the resistive braking of the trains which is being phased out.

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