8/4/2023 0 Comments Nuclear time![]() The plasma was five times hotter than the Sun at 70 million degrees Celsius. In 2021, a similar facility in China could operate for over 17 minutes at a slightly lower temperature. Korea Superconducting Tokamak Advanced Research (KSTAR) However, the study’s author, Yong-Su Na of Seoul National University, later informed New Scientist that the reaction lasted 30 seconds. The publication indicates that the researchers only encountered temperatures of 100 million degrees Celsius for 20 seconds. On September 7, the research was published in the scientific journal Nature. The team succeeded in improving the technology for containing the plasma at the reactor’s core. File ImageĪ team from Seoul National University and the Korea Institute of Fusion Energy conducted experiments with the reactor at the Korea Superconducting Tokamak Advanced Research (KSTAR). Plasma instabilities can disrupt reactions and harm equipment if they come into contact with the reactor’s walls. Engineers still have trouble getting tokamaks to circulate plasma at high temperatures for an extended period. The tokamak technology has undergone several improvements, from temperature increases to size reductions. The term “plasma” refers to stuff that has had its electrons removed from its atoms, creating a charged gas. The tokamak, a doughnut-shaped device with a ring of hot gas known as plasma trapped by powerful magnets, is one of the top contenders for a stable nuclear reactor. The challenge is sustaining this reaction so power plants can harness the energy. Scientists have invented various methods, including compressing matter with lasers and running superheated gas in a circle. The difficult element of nuclear fusion is not producing the reaction. The primary benefit of nuclear fusion is that the outcome is not radioactive and hence does not necessitate the containment measures required for nuclear fission technology. Nuclear fusion is a viable technique for generating power because vast amounts of energy are produced when two nuclei with low atomic weights merge. The latest achievement of heat and stability simultaneously brings researchers one step closer to a workable fusion reactor, even though the duration and temperature do not set records. Over 7 times hotter than the Sun itself /wtqt018y4n NEWS □: South Korea's "artificial sun" reached 100 million ☌ for more than 20 seconds. It represents a significant step toward achieving viable fusion power, which promises virtually endless clean energy by replicating the processes that naturally take place inside the Sun. For the first time, researchers in South Korea were able to keep a nuclear fusion reaction going for 30 seconds at temperatures beyond 100 million degrees Celsius, which is approximately seven times hotter than the Sun’s core.
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