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120 Million Degrees Celsius “Burning” in 101 Seconds: Chinese Academy of Sciences Sets World Record With Controllable Nuclear Fusion

The magnetic fusion energy reactor Experimental Advanced Superconducting Tokamak (EAST), known as the "artificial sun", at the Hefei Institute of Material Science of Chinese Academy of Sciences, set a new world record.

On May 28, the magnetic fusion energy reactor Experimental Advanced Superconducting Tokamak (EAST), known as the “artificial sun”, at the Hefei Institute of Material Science of Chinese Academy of Sciences, set a new world record by reaching a experimentally repeatable 120 million degrees celsius in 101 seconds, and 160 million degrees celsius in 20 seconds for plasma operation, extending the existing benchmark of 100 million degrees celsius in 20 seconds by 5 times.

The infrared image of the “artificial sun” when it successfully “burned” at 120 million degrees celsius for 100 seconds. Source: Institute of Plasma Physics, Hefei Institute of Material Science, Chinese Academy of Sciences.

EAST has a nuclear fusion reaction mechanism similar to that of the sun. In the ten years since its establishment, EAST has continuously made breakthroughs in the research of controllable nuclear fusion. Its operating principle is to add a small amount of hydrogen isotope deuterium or tritium in the vacuum chamber of the device, and generate plasma through a principle similar to a transformer, and then increase its density and temperature to cause a fusion reaction. During the reaction process, huge energy will be generated.

In the early morning of May 28th, after the successful EAST experiment, Song Yuntao (Director of Institute of Plasma Physics, Chinese Academy of Sciences, front left), Gong Xianzu (Researcher of Institute of Plasma Physics, Chinese Academy of Sciences, head of this experiment, front right) and other researchers stood up to celebrate .

At present, there are more than 200 core technologies and nearly 2,000 patents on EAST, bringing together cutting-edge technologies such as “ultra-high temperature”, “ultra-low temperature”, “ultra-high vacuum”, “ultra-strong magnetic field”, and “ultra-large current” in one furnace. The total power is 34 megawatts, which is equivalent to about 68,000 household microwave ovens heating together.

Song Yuntao, director of the Institute of Plasma Physics, Hefei Institute of Material Science of Chinese Academy of Sciences, said that the new EAST record further proves the feasibility of nuclear fusion energy and also laid a physical and engineering foundation for commercialization.

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1 comment on “120 Million Degrees Celsius “Burning” in 101 Seconds: Chinese Academy of Sciences Sets World Record With Controllable Nuclear Fusion

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