PHYSICISTS QUESTION CHINESE FUSION CLAIMS.

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Dr. Dantua Sadowski of Princeton's Plasma Physics Laboratory was among several researchers to express doubt, calling the published reactor specifications "hard to comprehend" and noting that the described containment temperatures would require materials that are, to her knowledge, physically impossible.

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Beijing's energy ministry dismissed these concerns in a statement and reiterated its invitation for international observers, though no date has been confirmed.

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ITER spokesperson Evan Colten declined to comment on the claims directly but acknowledged that the consortium's own timeline was "being reassessed in light of recent developments."