Year in review: Big stride for superconductivity
Hydrogen sulfide sets temperature record
![experimental setup for superconductivity test](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/12/122615_11_feat.jpg?fit=860%2C460&ssl=1)
UNDER PRESSURE The compartment in the middle of this copper-titanium casing contains two diamonds that crush substances to enormous pressures. Experiments inside this apparatus showed that a hydrogen-sulfur compound is a superconductor at relatively high temperatures.
Mikhail Eremets