TechnologyGoogle's quantum computer flunks landmark speed test In its first head-to-head test against a PC, the D-Wave Two showed no quantum speed boost – but it is being used in blink-detection and planet-hunting 51¶¯Âþ
PhysicsSaving time: Physics killed it. Do we need it back? Past, present, future: modern science tells us they are only an illusion. Now some maverick physicists want to restart the river of time, says Michael SlezakFeatures