Technology

telegraph/Samuel morse

1844

The telegraph, a device that uses electrical signals to transmit messages, was the first means of high-speed, long-distance communication. One of the most revolutionary inventions of the 19th century, it was invented by Samuel F.B. Morse, the creator of Morse code in 1837.

telephon/Charles

1876

A telephone is a device that allows remote transmission of sounds using electrical signals. It was invented in 1871 by Antonio Meucci, although the first to patent it was Alexander Graham Bell, in 1876.

Charls Francis/tlevision

1926

Television is a system for the transmission and reception of images and sounds at a distance that simulate movements, which uses a diffusion mechanism.

Konrad Zusen

1941

A computer is a computing device that is capable of receiving, storing, and processing information in a useful way. A computer is programmed to perform logical or arithmetic operations automatically.

Alan Kay/tablet

1968

Tablets work in a similar way to a computer, although they are usually focused to be used more for content reading and web browsing than for professional uses.

mobil phone/Martin Cooper

1973

A mobile phone is a phone that can make and receive phone calls over a radio link while moving around a wide geographic area. It does this by connecting to a cellular network provided by a mobile operator, which allows access to the public telephone network.

Radio/Guglielmo Marconi

1987

Radio is a means of communication that is based on sending audio signals through radio waves, although the term is also used for other forms of remote audio delivery such as Internet radio.