TechnologyWhat makes a quantum computer good? Claims that one quantum computer is better than another rest on terms like quantum advantage or quantum supremacy, fault-tolerance or qubits with better coherence – what does it all mean? Karmela Padavic-Callaghan sifts through the noise Comment
EnvironmentExciting new research shows ways to defuse the "green backlash" There is growing opposition to environmental policies around the world, but could researchers have found a way around this, asks Graham LawtonComment