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Nov 8, 2026, 7:15 am130 ptsTrending
Ars Technica
Superconductors carry electricity without resistance, but most only work a few degrees above absolute zero. In the late 1980s, copper-based materials called cuprates were found to superconduct at higher temperatures—reachable with affordable liquid nitrogen. Yet nearly 40 years later, physicists still don't…
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