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telegraph Samuel Morse
The telegraph is a device or device that uses electrical signals to transmit coded text messages, as with Morse code -
Telephone Antonio Meucci
El teléfono es un dispositivo de telecomunicación diseñado para transmitir señales acústicas a distancia por medio de señales eléctricas. -
radio Nikola Tesla
In 1865, Maxwell first defined the electromagnetic field and how it works: it propagates through space in the form of waves that travel at the speed of light. -
Televisor John Logie Baird
Television is a system for the transmission and reception of images and sounds at a distance that simulate movements, which uses a diffusion mechanism. The transmission can be carried out by means of radio waves, by cable television networks, satellite television or IPTV, -
Computer Konrad Zuse
Nowadays a life without computers is almost unthinkable: we use them at work, for our entertainment, to communicate, and with a myriad of other tasks. However, the computer is a recent invention that has undergone a series of important changes to reach what we know today as such. So we invite you to begin by knowing the beginnings of the history of the computer. -
Tablet Alan Kay
Tablets work perfectly as e-books. Here you can download PDF files, comics, long web articles, and classic novels. Thanks to “read later” applications, such as Pocket, it is possible to collect all the readings that interest you on a single device -
mobile phone Martin Cooper
Is a portable telephone that can make or receive calls through a radio frequency carrier, while the user is moving within a telephone service area. The radio frequency link establishes a connection with the switching systems of a telephone operator mobile telephony
