New temperature record: Hydrogen sulfide becomes superconductive under high pressure at minus 70 degrees Celsius

Up until now, no material has been able to conduct current with no resistance at such high temperatures: Researchers at the Max Planck Institute for Chemistry in Mainz and the Johannes Gutenberg University Mainz observed that hydrogen sulfide becomes superconductive at minus 70 degree Celsius--when the substance is placed under a pressure of 1.5 million bar. This corresponds to half of the pressure of the earth's core. With their high pressure experiments the researchers in Mainz have thus not o...