• Question: When was the first electronic device made and who made it?

    Asked by Emma The Penguin Lover to Áine, Ciarán, Eoin, Lydia, Victoria on 18 Nov 2014.
    • Photo: Lydia Bach

      Lydia Bach answered on 18 Nov 2014:

      Hey Emma,

      one of the first electronic devices was invented around 1835 by an American scientist called Joseph Henry. He developed a remote switch called a relay, which worked magnetism and currents. It was part of a telegraph and was later used in a telephone.

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