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Helion raises $425M to help build a fusion reactor for Microsoft
Helion's unorthodox approach to fusion power and relative secrecy has earned it plenty of fans — and critics. But don’t count its investors among the naysayers.
The 12-year-old company is backed by Sam Altman, rumored to be in talks with OpenAI, and has a deal to supply Microsoft with electricity by 2028 — years earlier than its competitors. Image Credits: Mike Kane/Bloomberg / Getty ImagesDespite having to build a supply chain from scratch, Kirtley remains optimistic that Helion can still deliver electrons to Microsoft in just a few years. The device looks like an hourglass with a bulge in the middle, and it’s ringed with powerful magnets, which guide and compress the plasma throughout the course of each reaction, which Helion calls a “pulse.”
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