A tokamak must breathe
ITER 06 JUN, 2016 When plasmas ten times hotter than the core of the Sun begin pulsating inside the ITER vacuum vessel, the combined mass of the Tokamak and cryostat (25,000 tons) will need a bit of breathing space. Not much—but enough to accommodate the wobbling, expansions and occasional displacements caused by the tremendous forces … Read more