Physicists introduced color charge as a concept distinct from electric charge, using red, green, and blue as its representations. Gluons, carriers of this color charge, play a vital role in quantum chromodynamics. The mass of a proton is mostly attributed to the energy of the gluons holding it together, despite gluons being massless. This illustrates the unique nature of interactions at the subatomic level.
Could the universe be composed of a single electron? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly answer grab-bag questions about the multidimensionality of time, quantum chromodynamics, gluons, tachyons, and more with astrophysicist Charles Liu.
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