Neutrons that escape the tokamak arrive in a lithium mantle around the reactor, which produces helium and some heat. The heat is extracted from the lithium mant

Neutrons that escape the tokamak arrive in a lithium mantle around the reactor, which produces helium and some heat. The heat is extracted from the lithium mantle, and then you have a conventional gas turbine. This is what I remember from memory, I would need to fact check that.