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Shahn Majid

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  • 17 Dec 2008
    Shahn Majid

    Reflections on a Self-Representing Universe

    This will be my last regular post for a while because of Christmas and teaching three courses next term at my University. These past eleven posts, see here and here, have been my personal take on many of the topics covered in On Space and Time and its now time in this twelfth post to […]

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  • 9 Dec 2008
    Shahn Majid

    Quantum Gravity Solved! … If You’re an Ant

    After last week’s imaginative speculation, I’d better tell you something concrete. How about the solution to quantum gravity that has been eluding us for some 90 years? Here it is … er … with one minor catch. We’ll have to suppose that spacetime is 3 dimensional, i.e. one time and only two space directions rather […]

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  • 2 Dec 2008
    Shahn Majid

    Aristotle May Provide the Key to Quantum Gravity

    So far in these posts we have looked at testable quantum gravity effects, but I have not said much about the ultimate theory of quantum gravity itself. There is a simple reason: I do not think we have a compelling theory yet. Rather, I think that this deepest and most long-standing of all problems in […]

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  • 18 Nov 2008
    Shahn Majid

    Quantum Anomaly and the Origin of Time

    First off, newly syndicated readers who want to have access to my previous posts can find them archived here as well as listed on my own site here. After last week’s speculations on time I would like to ask an even deeper question: why is there time? My 4 year old daughter would be proud. […]

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  • 11 Nov 2008
    Shahn Majid

    History, Economics, and Time Reversal

    First off, congratulations America! Electing the first black US president has to be significant and already puts Obama into the history books, whatever economic and other problems may loom worryingly in the future. Certainly his work will be cut out for him given the falls in the stock market and some of the dire predictions […]

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  • 29 Oct 2008
    Shahn Majid

    Truth, Symmetry, and Quantum Computers

    If the real world, at its base, is quantum, then should we not think with quantum logic? Shahn Majid discusses how the notion of quantum symmetry coming out of modern ideas on space and time could provide clues to the workings of a truly quantum computer. Have you ever sat through a really boring flow […]

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  • 21 Oct 2008
    Shahn Majid

    NASA Space Telescope to Test New Theory of Space and Time

    Is it impossible to pin down both where and when an event takes place, due to quantum gravity effects? Shahn Majid explains why this may be. In these posts I have emphasized ideas on the cutting edge of fundamental science which have testable predictions or other contact with experiment, rather than being merely fashionable. Now, […]

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  • 14 Oct 2008
    Shahn Majid

    Graffitti from 1843 Key to Mysteries Investigated in LHC

    Some of Fields medalist Alain Connes' revolutionary ideas shed light on how to understand the 'zoo' of elementary particles thrown up by accelerators like the LHC. If Connes is right, the key to the fundamental nature of matter lies in graffiti carved on a bridge in Dublin in 1843.

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