This $15 Billion Nuclear Fusion Machine Can’t Work, Physicists Say
Sabine Hossenfelder
Sep 30, 2026 15:00
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Fusion startups keep postponing their dates, but it's becoming clear who is doing well and who isn't. Helion is valued at fifteen billion dollars, and three groups have now said their machine cannot work, one of them the researcher whose work it is based on. Let's take a look.
Paper: https://doi.org/10.1007/s10894-026-00554-2
Paper 2: https://doi.org/10.1007/s10894-026-00565-z
#sciencenews #physics #nuclearfusion #energy #technology
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