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Telegraph Invention
David Alter ivented it.It allows the transmission of information by coded signail over distance -
Telephone Invention
The inventor of the telephone was an Italian-American called Antonio Meucci.He invented it to communicate some rooms of his house -
Radio Invention
Guilermo Marconi invented ir on year 1904.He recibed a Novel on physics in 1909 thanks to his invention -
Television Invention
Philo Farnsworth was the genius that invented de TV -
Computer Invention
Charles Babbage was a English mathematican and inventor of the computer -
Tablet Invention
In 1972,Alan Kay,an american computer scientist,came up with the concept of a tablet named Dynabooka.Personal computing device for children that works pretty much like a PC. -
Mobile Phone Invention
Martin Cooper from the company "Motorola"invented the first mobile phone.It's weight was 2,1/2 pounds