• Question: how big is an electron?

    Asked by the one and only to Flavia on 17 Nov 2015.
    • Photo: Flavia de Almeida Dias

      Flavia de Almeida Dias answered on 17 Nov 2015:

      We don’t know!

      To date, no evidence of electron size has been detected. It is possible that the electron could have a finite size, but it could not. As of 2011, the electron behaves as an exact point particle!

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