Hydrogen sulfide loses its electrical resistance under high pressure at minus 70 degrees Celsius

Hydrogen sulfide becomes superconductive at minus 70 degree Celsius -- when the substance is placed under a pressure of 1.5 million bar -- researchers have observed. This corresponds to half of the pressure of Earth's core. With their high-pressure experiments the researchers have thus not only set a new record for superconductivity, their findings have also highlighted a potential new way to transport current at room temperature with no loss.

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