Quantum entanglement, whereby two or more objects are linked by an unseen connection, has some famously spooky effects. As quantum researcher Anton Zeilinger has said, entanglement can be thought of as a pair of dice that always land on the same number.One of the most intriguing applications of this entanglement is quantum teleportation, in which the quantum state of a particle or atom is transferred to its entangled partner, even if they are separated physically. Such relaying of quantum information could form the backbone of long-distance quantum communication channels, but such a network remains far on the horizon.
Full article on Scientific American
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