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Computer
It was created in 1822 by Charles Babbage, he was a British mathematician and mechanical engineer who designed and built the first mechanical differential calculating machine and an analytical machine. He's known as the father of digital computing. -
Telegraph
It was Joseph Henry who in 1829 built the first telegraph. However, the person who gave it great impetus was the American Samuel Morse (1791-1872), who invented a code that bears his name. -
Telephone
The telettrofono or telephone was invented in 1854 by the Italian Antonio Meucci. The purpose was simple: to connect his office with his bedroom in order to be able to talk to his sick wife who was bedridden due to a serious illness. -
Radio
the discovery of radio was not without polemics, but on May 14, 1897, the Italian electrical engineer and Nobel Prize winner Guillermo Marconi made the first radio transmission in history. -
Television
Television was invented by John Logie Baird in 1923 in the town of Hastings, England and the first television picture was broadcast by Baird in 1926. -
Tablet
1968, the year in which Alan Kay surprised with a conceptual design that we can consider as the common "grandfather" of all electronic tablets, the Dynabook. -
Mobile Phone
On April 3, 1973, Martin Cooper of Motorola made the first call from a DynaTAC 8000X project cell phone from a New York street.