PhysicsNo space, no time, no particles: A radical vision of quantum reality If we admit that quantum numbers are the true essence of reality – not particles, space or time – then a surprising and beautiful new vision of reality opens up to us Features
PhysicsUltracold clocks could reveal how quantum physics alters time The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test the boundaries of physics News