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ArsTechnica | Size of Proton May Have Been Overestimated

»Link.  Apparently, in the world of quantum mechanics 4% is a really big deal. I am sure there is a joke here about quarks (up? down?), muons, or quantum electrodynamics...but hell if I can figure it out.
– Friday, 2010 July 09 @ 5:36 PM –
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