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They had slaves wave fans at them until the fan slaves died from exhaustion.

make it 1,000s of years

The wetbulb temperature in the middle east at 45C ambient air is not very high. Let's use F so I can do this easier in my head. Let's say 110F instead of 45C, it's close, at 10% humidity in the desert, which is a wetbulb temperature of around 70F.

It has to be more humid by the coast or maybe in cities leading to a higher wetbulb temperature at 110F. High temp and humidity conditions get really gay to cool yourself in places like Korea or the coastal south usa or even southern Illinois.

Hell, there have been summers up here in Toronto where it's been approximately that hot with the humidity index taken into account.

Wet-bulb temperature involves a thermometer wrapped in a moist cloth. So it relates air temperature to humidity. The dryer the air is, the faster the water in the cloth evaporates. Evaporating water takes heat with it, which lowers the temperature on the thermometer (below ambient levels) in a process that's the opposite of the condensation that happens on your cold soda cans. The wetter the air, the slower the evaporation, and the less affected the thermometer is.

At 70% humidity, wet-bulb temperature will be about 10 deg below ambient temp. If you drop the humidity to 50%, wet-bulb will be about 16-18 deg lower. So, the first reason Nate is retarded is because wet-bulb temperature is a useless figure without having the humidity value too. If its 100% humidity, wet-bulb = ambient. At 90% humidity, there won't be much difference either.

The purpose of wet-bulb temp is to give you the lowest temperature that can be achieved by evaporative cooling. So, you could think of the damp cloth around the thermometer bulb as being like your skin covered in sweat. If sweating was your body's only means of staying cool, then a 94 degF wet-bulb temperature would tell you that this is the lowest you could possibly get your body temp through sweating, which would only be dangerous if (a) you couldn't sweat properly and/or (b) the wet-bulb temperature was 100 degF or higher. At wet-bulb of 94 degF, you're fine, even if you're miserable.

The second reason NateBear is retarded is that evaporative cooling isn't the only means the human body has for regulating its temp. That would be retarded to think, since homeostasis is so sensitive to temperature shifts; the body has redundancies; it doesn't just rely on your ability to sweat. But hydration is very important.

For fuck's sake, people sit in saunas at 150 degF + (up to, what, 200?) for 15 or 20 minutes at a time. Most of the time, they don't die. In high school, we practiced in 90 deg heat with midwest humidity levels, wearing thirty pounds of pads and a fucking helmet. We would practice for three hours, working our asses off.

Now, it can be quite dangerous not to hydrate when it's 104 degF. You probably don't want to be exerting yourself outdoors (find some shade and lie down). Duh. But this temperature won't kill you unless you lose too much fluid. It might be uncomfortable as fuck, but people have lived without AC for longer than they've lived with it. Stay hydrated. If you are sweating normally, then a 94 degF wet-bulb temp is not life threatening. The tweet is frankly just a flagrant, fear-mongering lie. It's honestly one of the dumbest things I've heard, and it's infuriating for the fact that it is said with such nakedly absent authority.

These are people who live their entire lives in carefully air controlled environments. The only time they've sweat in their lives is when doing drugs or other nonsense.

no, they are not serious. I wonder how many normies will believe them

@NateB_Panic

Totally serious.

it's 94F at 100% humidity

Pha what would you know you lowly welder blue collar slob, with your money making and all your debt free life you don't even have the time to sit around and consider what a feminist tap dancing arts degree holder knows about climate...I have you known that my prof gave me a few sources to read about it and even more which to avoid.

You dead, Red.

Depends maybe you are dead, are you following a kid around that can see dead people?