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computer
Charles Babbage, a british mathematician and mechanical engineer, designed and built the first mechanical caculating machine and an analytical machine. -
Telegraph
Morse's apparatus, which issued the first public telegram in 1844, was shaped like an electrical switch. Through the pressure of the fingers, it allowed the passage of the current for a certain period of time and then canceled it. -
Telephone
The telettrofono or telephone was invented in 1854 by the Italian Antonio Meucci. His purpose was simple: to connect his office with the bedroom so that he could talk to his sick wife immobile in bed due to a serious illness. -
Radio
an italian electrical engineer and Nobel Prize winner, Guillermo Marconi made the first radio transmition. -
Television
The mechanical television, the first model to work, was based on an invention by the German scientist Paul Gottlieb Nipkow, who in 1884 devised a flat, circular disk with a series of holes arranged in a spiral that start from the center. -
Tablet
1968, Alan Kay disigned it. It's considered ad the grandfather of all electronic tablets. -
Mobile phone
on 1973, artin Cooper of Motorola made the first call from a DynaTAC 8000X cell phone from New York