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China's 'artificial Sun' shatters a nuclear fusion record
How It Works UK
|Issue 200
China's reactor has broken its own world record for maintaining superhot plasma, marking another milestone in the long road towards near-limitless clean energy.
The Experimental Advanced Superconducting Tokamak (EAST) nuclear fusion reactor maintained a steady, highly confined loop of plasma, the high-energy fourth state of matter, for 1,066 seconds on 20 January 2025, which more than doubled its previous best of 403 seconds.
This story is from the Issue 200 edition of How It Works UK.
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