Is there a connection more extreme than quantum entanglement?
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Quantum entanglement can link two objects even when they are separated by extremely large distances. But a new study has found a limit at which such quantum correlations stop – and surprisingly, something even stronger may begin.
“Honestly, we are at the edge of science here,” says Jean-Daniel Bancal at Paris-Saclay University in France.
To verify that two quantum objects are entangled, physicists use what are called Bell tests: they repeatedly measure the system to find out all possible states…
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