Schrödinger’s Cat

At the center of physics is a conundrum that has persisted since the early days of quantum mechanics.

Schrödinger’s famous thought experiment involves a cat in a box. The cat is locked in a box with a vial of poison gas. The gas will be released if a radioactive atom decays. From outside the box, the experimenter does not know whether the cat is alive or dead. Schrödinger’s thought experiment illuminates a perplexing question: How can we reconcile quantum and classical physics?

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