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27. Natural Reality / B. Modern Physics / 3. Chromodynamics / b. Quarks

[basic particles that make up the nucleons]

3 ideas
Quarks in threes can build hadrons with spin or with spin 3/2 [New Sci.]
Classifying hadrons revealed two symmetry patterns, produced by three basic elements [New Sci.]
Three different colours of quark (as in the proton) can cancel out to give no colour [New Sci.]