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HL-4 tokamak

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China unveils HL-4 tokamak as world's first HTS steady-state ‘burning' fusion facility Interesting Engineering · 12 hours ago · 44

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Q3 2026

21 Sep China unveils HL-4 tokamak as world's first HTS steady-state ‘burning' fusion facility

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Products & technology

Integrated with high-temperature superconducting (HTS) magnets · 1 source
China develops this technology · 1 source
Shanghai Fusion Energy Conference & Fusion Week 2026 deploys this technology · 1 source

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TLDRocket 21 September 2026

OpenAI tried to put math back at the center of its agenda today, forming an independent mathematics and AI advisory group hosted by the Institute for Advanced Study in Princeton. The point isn’t oversight of OpenAI’s decisions—the group has advisory and release-coordination input only—but it signals a shift toward proving progress with harder external yardsticks. OpenAI also claimed its internal model has resolved more than 100 additional open problems, a number that matters because “benchmarks” are easy to argue about and refereed proofs are not.

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