ST40 does not use HTS magnets. The magnets are made from copper and LN2 cooled. The company is demoing HTS magnets but has not used them in a working tokamak.
ST40 does not use HTS magnets. The magnets are made from copper and LN2 cooled. The company is demoing HTS magnets but has not used them in a working tokamak.
ST25 HTS did as far as I can tell — unless TE are lying, but that seems improbable.
ST25 was a "desktop tokamak" measuring 25cm in diameter.