Wendelstein 7-X sets a triple product record for long-duration plasmas

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Wendelstein 7-X reported a world record triple product for long plasma discharges, sustained for 43 seconds, exceeding previous long-duration values held by tokamaks. The same campaign reported an energy turnover of 1.8 gigajoules over a 360-second discharge and plasma pressure reaching 3% of magnetic pressure across the full plasma volume for the first time. The device runs on hydrogen and helium, so this is a confinement-quality result and not a fusion energy result.

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