
Could some particles have tiny electric charges?
Daniel and Kelly’s Extraordinary Universe
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The Concept of Charge in Particle Physics
In particle physics, we generalize this concept of charge to not just refer to electromagnetism. It's sort of like mass is for gravity, right? Like if you have two particles out there in space, they're going to attract each other depending on this thing about them called mass. And that's kind of the same for charge, right? So really charge in general is a label by saying whether or not a particle feels that force.
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