Comment by zitterbewegung
5 days ago
The system is not breakeven and the plasma was contained for 22 minutes so the situation would be the plasma was contained until it ran out of fuel. It is made out of tungsten for heat dissipation, has active cooling, has magnetic confinement with superconductors to prevent the system from destroying itself. https://en.wikipedia.org/wiki/WEST_(formerly_Tore_Supra)
Fusion energy gain factor: https://en.wikipedia.org/wiki/Fusion_energy_gain_factor :
> A fusion energy gain factor, usually expressed with the symbol Q, is the ratio of fusion power produced in a nuclear fusion reactor to the power required to maintain the plasma in steady state