1749
Ancient Iran had air conditioning
(lemmy.world)
This is for strictly mildly interesting material. If it's too interesting, it doesn't belong. If it's not interesting, it doesn't belong.
This is obviously an objective criteria, so the mods are always right. Or maybe mildly right? Ahh.. what do we know?
Just post some stuff and don't spam.
The water doesn't actually have to be all that cool for swamp coolers, because it's the evaporation that cools the environment and warm water actually evaporates quicker.