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Quantum mechanics

Quantum mechanics

Quantum Cheshire cats could have a travelling grin

27 Oct 2021 Ieva Čepaitė 
Cartoon of the grinning Cheshire cat, perched on a tree limb
Grinning away: The quantum Cheshire cat effect takes its name from a character in Lewis Carroll's novel Alice’s Adventures in Wonderland. (Courtesy: Larissa Kulik/Shutterstock)
Since its inception, quantum theory has presented us with many strange and seemingly paradoxical phe

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Ieva Čepaitė is a PhD student contributor to Physics World. Ieva studies quantum physics at the University of Strathclyde. Find out more about our student contributor networks
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