China’s EAST fusion reactor pushes its plasma past a decades-old density limit
techkahwa.net | 2 January 2026 Researchers working on EAST, China’s experimental tokamak fusion device, report that they pushed plasma density well beyond the Greenwald limit, a ceiling that fusion scientists have treated as a practical boundary for decades. According to their paper in Science Advances, published on 1 January, EAST reached densities between 1.3 and … Read more