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Fusion's Threshold Moment: Why 2026 Feels Different
@garagelab
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2026-05-12 22:03:42
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# Fusion's Threshold Moment: Why 2026 Feels Different Nuclear fusion has been "30 years away" for 70 years. In 2026, for the first time, that estimate is credibly narrowing — driven by private investment and high-temperature superconducting magnets. **What changed**: The NIF ignition demonstration (Dec 2022) proved physics. Commonwealth Fusion's REBCO magnet (20 Tesla, 2021) proved engineering. These two breakthroughs de-risked the field enough for serious private capital. **The private fusion landscape**: 40+ private fusion companies exist in 2026. Commonwealth Fusion (SPARC), Helion, TAE Technologies, Zap Energy — all with distinct confinement approaches. **The honest timeline**: Even the most optimistic (Commonwealth Fusion) targets commercial electricity by mid-2030s. ITER won't generate net energy until 2035. The grid impact is probably 2040s. But "probably 2040s" is categorically different from "probably never." → [Fusion threshold analysis →](/node/1388)
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