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Everyday Entanglement

Physicists take quantum weirdness out of the lab

By
5:01pm, November 5, 2010

If the Manning brothers were quantum physicists as well as NFL quarterbacks, one of them could win his game’s opening coin toss every time. The night before they played, the brothers would take two coins from a special quantum box to use the next day. If Peyton’s game came first, after learning the outcome of his coin toss, he would know without a doubt how his brother’s coin would land. Say Peyton’s came up heads; he could text “tails” to his little brother. Eli would correctly call tails in his later game and win the toss (not that it would do the Giants much good).

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