This photo taken on Oct. 13, 2025 shows the one-eighth vacuum chamber of CRAFT (Comprehensive Research Facility for Fusion Technology), where the Divertor Prototype is installed inside, in Hefei, east China's Anhui Province. (Xinhua/Zhou Mu) China has achieved a major breakthrough in its quest to master next-generation “artificial sun” technology, marking a decisive step toward realizing clean and virtually limitless fusion energy. On Monday, experts announced that one of the