PhysicsScientists race to test claimed room-temperature superconductor Researchers are moving quickly to test if a material called LK-99 really is a superconductor at room temperature and pressure. Several labs have already announced results News
EarthStunning image of erupting volcano reminds us of Earth’s violent past This photo of Tungurahua, a volcano exploding in the Ecuadorian night, comes from an illustrated book to accompany a TV series about Earth’s deep history Regulars