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PBS Space Time
Did AI Prove Our Proton Model Wrong?
Season 9
Episode 17
The humble proton may seem simple enough, and they’re certainly common. And protons are each made of three up or down quarks. Simple stuff, right? All except for that last part. Protons are actually made of many, many quarks that happen to look like three only when we look at them in a particular way. And even then, sometimes they’re made of 5 quarks - including the charm quark.
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