SpaceCould a huge lunar telescope be our best chance of spotting aliens? In this latest instalment of Future Chronicles, an imagined history of future inventions, Rowan Hooper explores the advances that meant an optical telescope with an effective mirror size of 3000 km could be built on the moon Comment
PhysicsWe’ve discovered a new kind of magnetism. What can we do with it? Researchers have found the first new type of magnet in nearly a century. Now, these strange "altermagnets" could help us build an entirely new type of computer Features