For a Proton, a Little Off the Top or Side Could Be Big Trouble

The quark structure of the proton. There are t...
The quark structure of the proton
“Physicists announced last week that a new experiment had shown that the proton is about 4 percent smaller than they thought. Instead of celebration, however, the result has caused consternation. Such a big discrepancy, say the physicists, led by Randolf Pohl of the Max Planck Institute for Quantum Optics in Garching, Germany, could mean that the most accurate theory in the history of physics, quantum electrodynamics, which describes how light and matter interact, is in trouble.”  (NYTimes.com)

  1 comment for “For a Proton, a Little Off the Top or Side Could Be Big Trouble

  1. Charles
    14 Jul 10 at 5.05 pm

    I wonder if physicists love or hate this kind of “everything you know is wrong” moment?

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