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George and John’s Excellent Adventures in Quantum Entanglement
[Video]  ShareShare  ShareEmail  PrintPrint    The basic point
of entanglement is that the behavior of objects at spatially
separated locations is random yet coordinated. Two (or more)
particles behave as a single indivisible system, no matter how
far apart they are. Indeed, even to speak of “particles” in the
plural is a falsehood; we see them as individual parts, but they
possess collective properties that cannot be partitioned. In the
1930s, Albert Einstein argued that for entangled particles to
behave in such a coordinated way, either their behavior must be
choreographed in advance or they must surreptitiously influence
each other on the fly. This influence cannot pass through the
intervening space—it would be, as Einstein put it, “spooky
action at a distance.” Three decades later, physicist John Bell
devised an exp