Princeton put AI in charge of a fusion-plasma control loop running every 20 milliseconds; in one test it predicted a damaging instability 200 ms early and stopped it before it began
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September 9, 2026
Nuclear fusion illustration Photo: Canva Inside a steel vault at the Princeton Plasma Physics Laboratory, a superheated whirl of charged particles spins in near vacuum, held in place by invisible magnetic fields. This is a fusion plasma, the same kind of…