What's Wrong with these Elements of Reality?

@article{Mermin1990WhatsWW,
  title={What's Wrong with these Elements of Reality?},
  author={N. David Mermin},
  journal={Physics Today},
  year={1990},
  volume={43},
  pages={9-11}
}
The subject of Einstein-PodolskyRosen correlations—those strong quantum correlations that seem to imply "spooky actions at a distance"—has just been given a new and beautiful twist. Daniel Greenberger, Michael Home and Anton Zeilinger have found a clever and powerful extension of the two-particle EPR experiment to gedanken decays that produce more than two particles. In the GHZ experiment the spookiness assumes an even more vivid form than it acquired in John Bell's celebrated analysis of the… Expand
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