I'd love to know how they're planning on disposing of heat in the magnets themselves - most of the available high-current superconductors prefer to stay close t

I'd love to know how they're planning on disposing of heat in the magnets themselves - most of the available high-current superconductors prefer to stay close to liquid helium temperatures, which is a challenge when you've set them next to a ten megakelvin plasma that's emitting a 100MW neutron flux...