Electron-ness: Why are all electrons identical?

Electron-ness: Why are all electrons identical? BEGINNINGS: Go to your local store and buy several items of the same product - for example a pack of three golf balls. While golf balls look the same, closer inspection will reveal even the most minor differences. A ball may be slightly larger, the other a little bit less spherical, perhaps the lightest third or something. The general public, which extends from the fact that all but two apparently identical products will be slight variations in

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