• Question: what did alexander graham bell discover

    Asked by sake49hue to Marcello on 24 Nov 2020.
    • Photo: Marcello Valente

      Marcello Valente answered on 24 Nov 2020:

      Dear Sake49hue,
      he invented the phone thanks to his study of deafness in people and from there he created an artificial system that could translate sound in electric signal and it in sound again.
      We know this invention as the telephone.

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