What is “wet bulb temperature” and why does it matter?
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It’s the limit temperature that evaporative cooling can go. Below that temperature, it’s just not possible to cool by evaporation. It matters because sweating is how we thermoregulate. If wet bulm temperature is too high, getting close to our normal body temperature, we simply start overheating and in time die.
You can’t stay in a sauna indefinitely to bring one example. And a pet or a child can easily die in a car left in the sun, adult too if they dont get out of the car in time. But such temperatures can also rarely occur outdoors, in which case, air conditioning becomes a matter of survival.
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