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  • Beijing Review

    Hefei Aims High

    May 11, 2023 4 minutes

    On April 12, China’s artificial Sun, officially known as the experimental advanced superconducting tokamak (EAST), achieved a steady-state high-confinement plasma operation for 403 seconds, Xinhua News Agency reported that same day. In 2017, China’s artificial Sun set a world record by achieving this operation for 101 seconds.

    A tokamak is a machine that confines a plasma using magnetic fields in a donut shape. A steady-state high-confinement plasma operation, then, is a process during which the plasma reaches a state of high-energy confinement and produces fusion power with very hot plasmas.

    The EAST is located at the Institute of Plasma Physics (IPP) under the Chinese Academy of Sciences in Hefei, capital city of Anhui Province in east China. The experimental reactor’s main goal is

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