New Delhi, Jan. 7 -- China has reached a historic milestone in nuclear fusion research after its "artificial sun," the Experimental Advanced Superconducting Tokamak, or EAST, successfully surpassed a long-standing plasma density limit that has constrained fusion experiments for decades. Announced in early 2026, the achievement marks a critical step toward making fusion energy a realistic and scalable clean power source.

The breakthrough was achieved by scientists at the Institute of Plasma Physics under the Chinese Academy of Sciences, working with research partners, at the EAST facility in Hefei, Anhui Province. EAST belongs to the category of magnetic confinement fusion technologies, which use powerful magnetic fields to confine super-...