Can things really be in two places at once?

Can objects be in two places at the same time? Even if we take the best theory of atomic physics for granted – quantum mechanics – the idea is difficult to reconcile with our experiences of everyday life. Is there a reason why macroscopic objects (such as cats, or the moon) cannot also be placed into superpositions: To exist in paradoxical quantum states? A rigorous experimental method to decide the question has been proposed by Read more…