In March 1987 at an event later dubbed ‘The Woodstock of Physics’ scientists cheered as the Universities of Houston and Alabama disclosed that they had made materials (compounds of yttrium, barium, copper and oxygen) which allowed superconductivity at around -180 degrees C. This meant that instead of having to use liquid helium to cool the ...
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from Electronics Weekly https://www.electronicsweekly.com/blogs/mannerisms/yarns/all-that-glisters-2018-06/
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