- Dubbed the "proton radius puzzle", physicists spent the last 8 years trying to measure the charge radius of the proton in order to resolve conflicting values obtained by other experiments. New study confirms 2010 finding that the proton is significantly smaller a than scientists previously believed https://arstechnica.com/science/2019/09/physics-not-broken-after-all-were-close-to-resolving-proton-radius-puzzle/ 8 comments science
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- Hydrogen made with muons reveals proton size conundrum | Ars Technica http://arstechnica.com/science/2013/01/hydrogen-made-with-muons-reveals-proton-size-conundrum/ 134 comments
- Researchers orbit a muon around an atom, confirm physics is broken | Ars Technica http://arstechnica.com/science/2016/08/researchers-orbit-a-muon-around-an-atom-confirm-physics-is-broken/ 17 comments
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