Physicists are used to the idea that subatomic particles behave according to the bizarre rules of quantum mechanics, completely different to human-scale objects. In a breakthrough experiment, Aaron O'Connell has blurred that distinction by creating an object that is visible to the unaided eye, but provably in two places at the same time. [7:52]

Concepts

quantum mechanics, subatomic particles

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Additional Tags

ted ed: making sense of a visible quantum object

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Classroom Considerations

• Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)