PhysicsHow the most precise clock ever could change our view of the cosmos Forget atomic clocks. Nuclear clocks, which only drop a second every 300 billion years, can test whether nature's fundamental constants are constant after all Features
PhysicsFuzzy quantum effects have been seen on the largest scale yet A weird quantum phenomenon called delocalisation has been measured for a 100-nanometre glass bead, helping reveal where the boundary lies between quantum and classical physics News