PhysicsQuantum trick lets you cool objects down using nothing at all Physicists have demonstrated a bizarre cooling effect by setting up a detector to record the absence of photons in a laser experiment ¿ìè¶ÌÊÓÆµ
PhysicsParticle physicists may have solved a strange mystery about the muon A subatomic particle called the muon caused waves when its experimental behaviour didn't align with a prediction based on the standard model. A new calculation might resolve the discrepancy – but some particle physicists are sceptical ¿ìè¶ÌÊÓÆµ