TechnologyQubit breakthrough could make it easier to build quantum computers Quantum computers that correct their own errors usually require hundreds of thousands of qubits. Start-up Nord Quantique claims it can dramatically decrease that number – but many challenges remain ¿ìè¶ÌÊÓÆµ
PhysicsWhy physicists keep trying to get rid of space-time entirely Physicists are trying to ditch the concept of space-time – the supposed fabric of physical reality. Quantum columnist Karmela Padavic-Callaghan explains why Comment