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  • South Korea’s Artificial Sun Is Cooking 100-Million-Degree Plasma

    South Korea’s Artificial Sun Is Cooking 100-Million-Degree Plasma

    The Korea Institute of Fusion Energy has installed a new diverter in the KSTAR tokamak, allowing the artificial sun to sustain high-ion temperatures exceeding 100 million degrees Celsius for longer. KSTAR—called an artificial sun because it does nuclear fusion, the same reaction that powers our star—was completed in 2007 and achieved its first plasma in…


  • Will Nuclear Fusion Ever Power the World?

    Will Nuclear Fusion Ever Power the World?

    Only an unusually naive child, or a fossil fuel executive, could sincerely argue that our current energy situation is sustainable. For over 50 years now, well before the scope of the climate crisis was clear, scientists have been working toward an alternative: fusion power (i.e., using the heat from nuclear fusion reactions to generate electricity).…