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What Goes On in a Proton? Quark Math Still Needs Answers

Objects are produced of atoms, and atoms are likewise the sum of their parts—electrons, protons, and neutrons. Dive into one particular of these protons or neutrons, nonetheless, and items get strange. Three particles referred to as quarks ricochet back again and forth at almost the speed of light, snapped back again by interconnected strings of particles referred to as gluons. Bizarrely, the proton’s mass have to by some means crop up from the electricity of the stretchy gluon strings, due to the fact quarks weigh very very little and gluons nothing at all.

Initial tale reprinted with permission from Quanta

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