SMRTR Science & EngineeringJun 3, 2025Interesting Engineering

Wendelstein 7-X stellarator sets world record for holding fusion plasma for 43 seconds

SMRTR summary

Scientists at Germany's Wendelstein 7-X stellarator set a world record by sustaining high-performance fusion plasma for 43 seconds. This breakthrough, achieved using a pellet injector for continuous refueling, surpasses previous tokamak records and demonstrates stellarators' potential for long-duration plasma confinement. The achievement marks significant progress toward viable fusion energy production, potentially leading to clean, limitless power in the future.

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