Summer 2009 157

Evolution of Technology -The Cell Phone

By matts457
  • US Postal Service Organized

    US Postal Service Organized

  • Pony Express

    Pony Express

    Pony Express
  • Samual Morse Invented Speaking Telegraph

    Samual Morse Invented Speaking Telegraph

    Samual Morse
  • Alendar Graham Bell Invented the telephone.

    Alendar Graham Bell Invented the telephone.

    Alexander Graham Bell-Inventor of the telephone
  • Marconi receives radio signal over Atlantic1901

    Marconi receives radio signal over Atlantic1901

    Radio Waves
  • First Telephone Call Around the World

    First Telephone Call Around the World

  • America's first communications satellite

  • DynaTAC Cell Phone

    DynaTAC Cell Phone

    Invented by Dr. Martin Cooper

  • First Real Mobile Phone is Avaiable

  • First Digital Hand-held Phone

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