PhysicsWhat putting big things in quantum states can tell us about reality In principle, there should be no limit on how large objects can get and still display quantum behaviour like superpositions. Physicists testing the idea hope to reveal clues about quantum gravity Features
PhysicsStates of matter: The unthinkable forms beyond solid, liquid and gas From time crystals to supersolids, we keep discovering extraordinary new kinds of matter – now the true challenge is being able to predict what we'll find next Features