An anonymous reader writes University of Cambridge scientists have broken a decade-old superconducting record by packing a 17.6 Tesla magnetic field into a golf ball-sized hunk of crystal — equivalent to about three tons of force. From the Cambridge announcement: "A world record that has stood for more than a decade has been broken by a team led by University of Cambridge engineers, harnessing the equivalent of three tonnes of force inside a golf ball-sized sample of material that is normally as brittle as fine china. The Cambridge researchers managed to 'trap' a magnetic field with a strength of 17.6 Tesla — roughly 100 times stronger than the field generated by a typical fridge magnet — in a high temperature gadolinium barium copper oxide (GdBCO) superconductor, beating the previous record by 0.4 Tesla."
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