
Why Molten Metal, Not Batteries
A Dyson module is a solar thermal power plant — store heat directly as molten Fe-Ni in zero-g. ~145 Wh/kg with latent heat, infinite cycles, all from asteroid ore.

A Dyson module is a solar thermal power plant — store heat directly as molten Fe-Ni in zero-g. ~145 Wh/kg with latent heat, infinite cycles, all from asteroid ore.