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Scientists demonstrate quantum nature of entanglement swapping As if plain old quantum entanglement weren`t strange enough for modern physics, now physicists are entangling already entangled particles. In entanglement swapping, one particle of an entangled pair becomes entangled with a third particle, which itself becomes entangled with the other particle in the first pair, even though the two never interact. Here`s how physicists are unraveling this behavior and manipulating it for use in quantum communications and high-speed computing.
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