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[-] LodeMike@lemmy.today 14 points 4 days ago

Actually there's also the mirror based solar which boils water in a central column.

[-] rumba@lemmy.zip 12 points 4 days ago

It's cooler than that; they use the heat to make molten salt, then use a heat exchanger to boil water with that, the salt gets stupid hot and holds energy into the night.

[-] LodeMike@lemmy.today 2 points 1 day ago

Sounds like it's hotter than that not cooler

[-] rumba@lemmy.zip 3 points 1 day ago

coincidentally, just saw a youtube short with more crazy shit

https://www.youtube.com/shorts/l3CFqCgmumw

they mix three salts together to control the melting temperature so it's still hot but not as hard on the equipment.

[-] Smaile@lemmy.ca 3 points 4 days ago* (last edited 4 days ago)

its basically a bowl of water made of solar panels, i mean its not a bad idea at all but its nothing crazy either, probably a bitch to maintain tho.

this post was submitted on 30 Jul 2026
745 points (97.5% liked)

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