I found recently the existence of Geothermic Energy and i didn’t really understand It.
There are zones where the underground is so hot we can get energy (Electricity) from it. How?
I read that One of the first to do It was in Italy, in the 1904 or something, and i don’t understand how could they build something without…well die. If the heat is so High wouldnt people be hurt? How could they build something like that? I guess that now is more easy but at that time how was that even possible?
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It’s pretty simple. You drill a borehole, you put a U shaped pipe in it, you pump water through it and use the hot water at the surface to generate energy. (I.E. steam spins a turbine, wich spins a generator)
No human needs to get into the hole, and they’d indeed not survive it.
How deep you have to drill before it gets really hot is also regionally very different. Like, in regions with active vulcanoes you can find places where you only need a few hundred meter to reach boiling hot water, while in other areas it’s more like a kilometer deep
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