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## Main Question or Discussion Point

Is there an intuitive explanation of why E/w = 2*L, where E/w is the ratio of the energy of any photon to its angular frequency and L is the magnitude of the spin of any electron? Evidentially there is a mathematical derivation of L=hbar/2 from some base assumptions, and evidentially E=hbar*w was initially derived by Planck from experiments (but probably also now can be derived from the same base assumptions as L?), but is there some clearer way to see why this should be the case without going through all the math (or is the math simple and based on intuitive base assumptions)?