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Charles Babbage, a british mathematician and mechanical engineer, designed and built the first mechanical caculating machine and an analytical machine. -
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. -
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. -
an italian electrical engineer and Nobel Prize winner, Guillermo Marconi made the first radio transmition. -
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. -
1968, Alan Kay disigned it. It's considered ad the grandfather of all electronic tablets. -
on 1973, artin Cooper of Motorola made the first call from a DynaTAC 8000X cell phone from New York