A nuclear fusion reactor in Germany has reached world record numbers for runtime. The tokamak dominates fusion research in 2025, but stellarators are making a comeback. A stellarator is still a donut ...
The Wendelstein 7-X stellarator in Germany has broken the record for plasma duration in a nuclear fusion reactor. Fusion reactions were sustained at high performance levels for 43 seconds, which is a ...
— World’s First Performance Test of a High-Temperature Superconducting Coil Under Conditions Replicating the Magnetic Environment Inside a Fusion Device — Helical Fusion Co., Ltd., a world-leading ...
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