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Korea's 'artificial Sun' reactor has made headlines this week by officially sustaining plasma at a temperature of 100 million degrees Celsius for more than 20 seconds. The team at the Korea Superconducting Tokamak Advanced Research (KSTAR) device reached an ion temperature of above 100 million degrees Celsius (180 million degrees Fahrenheit).According to New Scientist, the reaction was only stopped after 30 seconds because of hardware limitations. KSTAR uses magnetic fields to generate and stabilize ultra-hot plasma, with the ultimate aim of making nuclear fusion power a reality. You can see the footage below showing the reactor run over 24 seconds,...

The Korea Superconducting Tokamak Advanced Research(KSTAR), a superconducting fusion device also known as the Korean artificial sun, set the new world record as it succeeded in maintaining the high temperature plasma for 20 seconds with an ion temperature over 100 million degrees. To re-create fusion reactions that occur in the sun on Earth, hydrogen isotopes must be placed inside a fusion device like KSTAR to create a plasma state where ions and electrons are separated, and ions must be heated and maintained at high temperatures. So far, there have been other fusion devices that have briefly managed plasma at temperatures...