To make solar power viable, we need a solution for overnight energy storage.
Batteries are complicated.
Do you know what isn't? Water go up. 
this post was submitted on 29 Sep 2024
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Isn’t the salt very corrosive?
Well, it's in a tank. Atop a 250m high tower. Smack in the centre of a ring of mirrors focusing all their heat on it. Liquified to generate steam.
I think the "corrosive" part is the least of the issues here.
Just something I’ve heard from some people about molten salt.
no u
Lol
I thought salt was cheap.
I guess cleaning up after a huge salt spill isn’t its also probably terrible for the ground when it leaks. From reading Wikipedia it also uses an obscene amount of fresh water.
Is seawater too "dirty"?
I mean it also contains salt ;) as I said salt is corrosive sea water has 35 parts per thousand of salt in it and look how corrosive that is. Here we are talking about hot molten salt…
No, saltwater is corrosive, pure salt is not.
Cool good to know, but why do they need to keep cleaning the pipes?
Some of molten salt crystallizes on pipe walls, because they are colder, and it makes the pipe narrower.
https://www.sciencedirect.com/science/article/abs/pii/S030645492100801X
Just from reading here a bit there seems to be some corrosion though. My chemistry is to shit atm to understand it though
The salt is not pure enough, it seems.