PhysicsQuantum batteries could charge better by breaking rules of causality Taking advantage of a quantum phenomenon called indefinite causal order could make quantum batteries charge more efficiently ¿ìè¶ÌÊÓÆµ
PhysicsQuantum engine could power devices with an ultracold atom cloud A quantum engine that works by toggling the properties of an ultracold atom cloud could one day be used to charge quantum batteries ¿ìè¶ÌÊÓÆµ