TechnologyControversial quantum computer aces entanglement tests D-Wave chips using a novel quantum computing approach appear to show entanglement – boosting hopes that a computing revolution is closer than we thought 51¶¯Âþ
PhysicsSand-grain-sized drum extends reach of quantum theory Detection of the uncertainty principle in a drum the width of a sand grain vindicates quantum theory but could complicate the hunt for gravitational waves 51¶¯Âþ