Word: superconductivity
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Dates: during 1993-1993
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...Kelvin scale favored by physicists (that's a not-so-balmy -283 degreesF). That record, broken repeatedly, is now as outdated as the 19-foot pole vault, and last month the contest heated up again. First Chu announced in the journal Nature that a mercury-based compound could superconduct at 153 degreesK (-184 degreesF), a startling 20 degrees higher than the old standard. He got that result by subjecting the material to enormous pressure -- the sort that creates diamonds from carbon. Just a week later, a team of researchers in France and Russia reported in Science that they...
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