A rare-earth barium copper oxide (REBCO) is now being used by an Oxfordshire-based company for its superconducting properties ...

It looks more like a charcoal briquette than anything, but the black brittle thing at the bottom of [Ben Krasnow]’s crucible is actually a superconducting ceramic that can levitate magnets when ...

Since then, numerous other superconducting materials have been discovered, including various metals, alloys, and ceramics. The quest for room-temperature superconductors has been a major focus of ...