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Something spooky has been spotted in CERN's Large Hadron Collider

ScienceAlert · Published on September 21, 2026

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In the cascade of debris that sprays out from high-energy collisions in the world's most powerful particle collider, physicists have found strong evidence of a phenomenon Albert Einstein famously called "spooky action at a distance". It's not the first time quantum entanglement has been detected at the LHC – but this time, it's somewhere new. Now, scientists have found the first strong evidence of entanglement between a pair of Z bosons produced in the decay of a Higgs boson – their spins so inextricably linked that one cannot be fully described without the other. Full story: https://www.sciencealert.com/cern-detects-quantum-entanglement-in-particles-born-from-the-higgs-boson

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