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Quantum Information Can be Negative

nerdlygirl writes "In a development that would probably even puzzle Claude Shannon, information can be negative -- at least when the information is quantum. The discovery, by Horodecki, Oppenheim, and Winter, appears in the current edition of the leading journal Nature. If I tell you negative information, you'll know less. Apparently, researchers hope to use this to gain deeper insights into phenomena such as quantum teleportation and computation, as well as the very structure of the quantum world. More details can be found here and here A popular account of the article can be found on Oppenheim's homepage, and a free version of the article can be found in the arxiv for those of us without subscriptions to Nature."

2 of 445 comments (clear)

  1. Guh! by HawaiianMayan · · Score: 0, Redundant

    Have you never heard of Entertainment Weekly? It must be full of negative quantum information, because reading it definitely make you dumber.

  2. In soviet russia... by skarphace · · Score: 0, Redundant

    ...information knows you!

    --
    Bullish Machine Tzar