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Physics

Time may be an illusion created by quantum entanglement

The true nature of time has eluded physicists for centuries, but a new theoretical model suggests it may only exist due to entanglement between quantum objects

By Karmela Padavic-Callaghan

31 May 2024

Where does time come from?

Quality Stock / Alamy

Time may not be a fundamental element of our physical reality. New calculations add credence to the idea that it emerges from quantum entanglement, in which two objects are so inextricably linked that disturbing one disrupts the other, no matter how distant they are.

“For centuries, time has entered physics as an essential ingredient that is not to be questioned. It is so deeply rooted in our conception of reality that people thought that a definition of time was not…

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