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Finally, room temperature achieved superconductivity


Fulfilling a decades-old quest, reports this week that scientists are creating the first superconductor that does not need to be cooled for its electrical resistance to disappear. There’s a catch: The new superconductor at room temperature only works at a pressure equivalent to about three-quarters of that in the center of the earth. To achieve this pressure, the material – a mixture of hydrogen, sulfur and carbon – was crushed between the flat tops of two diamonds. Now, if scientists can stabilize the material at ambient pressure, dreamed applications of superconductivity could be within reach, such as low-loss power lines and ultra-demanding superconducting magnets that do not require cooling, for MRI machines and maglev trains.

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