PhysicsWhy simple tasks like charging your phone rely on quantum measurements A hidden world of quantum metrologists ensure that everyday devices perform safely and correctly, but their work is never done Comment
PhysicsQuantum device detects all units of electricity at once Defining the fundamental units of electricity used to require two finicky quantum devices – but now scientists have found an easier way to standardise our electrical measurements ¿ìè¶ÌÊÓÆµ