PhysicsUltra-thin material creates a magnetic mystery The soft metal bismuth may be a wonder material for electronics – particularly because of one surprising behaviour it displays when exposed to magnetic fields ¿ìè¶ÌÊÓÆµ
PhysicsHow materials that rewind light can test physics' most extreme ideas Strange solids called temporal metamaterials finally make it possible to investigate the controversial idea of quantum friction – and push special relativity to its limits Features