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The Conversation USA

The first mobile phone call was 75 years ago – what it takes for technologies to go from breakthrough to big time

  • Written by Daniel Bliss, Professor of Electrical Engineering, Arizona State University
imageAn engineer demonstrates a car phone five months before the historic first call on a competing company's commercial mobile telephone service in 1946.Bettmann via Getty Images

I have a cellphone built into my watch. People now take this type of technology for granted, but not so long ago it was firmly in the realm of science fiction. The transition...

Read more: The first mobile phone call was 75 years ago – what it takes for technologies to go from...

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