Quantum Cheshire Cat experiment splits particles from their properties

When facing a fork in the road, neutrons appear to go one direction and their spins in the other

CURIOUS  The Cheshire Cat in Alice in Wonderland can somehow separate its grin from the rest of its body. Similarly, a new experiment appears to detect neutron spins that are disconnected from the particles themselves.

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Quantum mechanics has reached Alice in Wonderland levels of weirdness.