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telephone patented
Alexander Graham Bell received a patent for the telephone; three days later, he and associate Thomas Watson successfully tested their invention. Elisha Gray, Antonio Meucci and Thomas Edison all claimed to have invented the telephone first, and the issue is still a source of controversy. -
internet
Robert Kahn and Vinton Cerf invent the internet -
television
Philo Farnsworth, John Logie Baird and Charles Francis Jenkins invent the television. -
fm radio
Edwin Armstronginvent de fm radio. -
invention of computer
Honrad Zuse invent firts computer. -
Laptop
Adam Osborne was a writer, businessman and engineer of British origin, later nationalized American. It launched the first commercial laptop in history, the Osborne 1. -
apple computer
invention apple computer -
Firts computer
Firts computer used in school -
digital camera
