[privatelypublic]

Also to add some practicals: you can drive a steam turbine with the concrete temps, but not with the water.

Also, looking at how hot water could theoretically get (decomposes between 2200-3300C), it looks like 1200C is an interesting limit. Above that and you get safety(practical) and cost issues with every material I could find (common salts, pure elements).

Sand just makes sense! Though, don't ever youtube sand battery.

[stavros]

Why not YouTube sand battery? I did it, and nothing much happened.

[privatelypublic]

Previously it was a bunch of overunity nutjobs.

[stavros]

Ahh right, I did see some preppers there, to be fair.

[internet_points]

> don't ever youtube sand battery

Huh? I just get stuff related to this article?