[sten]

If this works as described, why hasn’t someone put one online and sold the generated power?

Generating 300x the amount of today’s reactor would yield big money

[maine-iac7]

If this works as described, why hasn’t someone put one online and sold the generated power?

If you design a better mousetrap, the government won't let you build it? (threatens their status quo buddies, their cash cows)

[blackdog]

Because you can’t have a weapons program using Thorium. A dirty little secret about Uranium fueled reactors and their duality of purpose.

[Salgak]

Very simply, because it was decided to work the Uranium-plutonium cycle as you got both power and weapons-grade fissionables out of it. The Thorium cycle is not conducive to making nuclear weapons. .