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Do electrons age?

Do electrons age? If electron do age, then how can you tell how old the electron is?

No, electrons do not age. There is no way to tell how old an electron is, since all electrons are exactly identical to one another. The same is true for any other kind of elementary particle; even particles which eventually decay into other particles decay instantaneously.

January 1999, Dave Kornreich (more by Dave Kornreich) (Like this Answer)

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