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World’s first superconducting magnet created in Leiden, The Netherlands, in 1912.
The world’s first superconducting magnet, consisting of a wire coil made of lead, was manufactured in the Leiden (The Netherlands) Physics Laboratory in 1912. Superconductivity had been discovered the year before, in 1911, by Heike Kamerlingh Onnes in mercury cooled to -269 degrees Celcius.
Journalists wishing to reproduce this image for news stories about related research should include the following image credit: Credit: Image Courtesy of Museum Boerhaave, Leiden, The Netherlands (2011).