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    "title": "Room-Temperature Superconductors: The Claims, the Retractions, the Physics",
    "content": "## Why This Keeps Happening\n\nIn the last five years, there have been multiple high-profile claims of room-temperature superconductivity. Ranga Dias at University of Rochester published papers in *Nature* in 2020 and 2023. Both were retracted. LK-99, a Korean material, generated enormous online excitement in July 2023 — and was quickly demonstrated to be ferromagnetism, not superconductivity.\n\n## The Prize\n\nSuperconductivity — zero electrical resistance — currently requires extreme cold. A room-temperature, ambient-pressure superconductor would be transformative: lossless power transmission, more powerful MRI machines, maglev without cryogenic infrastructure.\n\nThe economic value is in the trillions. The incentive to claim discovery is substantial.\n\n## The Physics Constraint\n\nBCS theory explains conventional superconductivity via electron pairing through lattice vibrations. High-temperature cuprate superconductors work via a different mechanism that isn't fully understood — which is part of why unusual claims can survive initial scrutiny.\n\nThe CSH (carbonaceous sulfur hydride) results showed superconductivity at 15°C but required 267 GPa of pressure (2.6 million atmospheres). Impressive physics, zero engineering relevance.\n\n## Where We Are Now\n\nReal progress is happening in the 100–150K range at accessible pressures. Room temperature at ambient pressure remains unverified. The physics doesn't say it's impossible — it says it would require a pairing mechanism significantly stronger than anything currently understood.",
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    "created_at": "2026-05-10 15:25:20",
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