communication

By Lucia BH
  • 4000 BCE

    Writing

    Writing
    Writing was born from the need to express ideas graphically, in relation to the sound of the spoken language, and little by little various ways of representing words appeared. The first writing was cuneiform, which dates back to approximately 4000 BC.
  • 360 BCE

    Smoke signals

    Smoke signals
    In ancient China (360 BC), the soldiers of the Great Wall used the smoke from the bonfires they lit in their towers to warn of enemy presence. This type of communication was faster, safer and more immediate than sending a soldier with the message. This method of communication was also used by the North American Indians.
  • 1481

    post mail

    post mail
    The first known postal service in English history dates back to the reign of Henry III. In 1481, during the Scottish Wars, Edward IV established posts that were replaced every thirty kilometers, which allowed them to cover considerable distances in a short time.
  • 1481

    post mail

    post mail
    The first known postal service in English history dates back to the reign of Henry III. In 1481, during the Scottish Wars, Edward IV established posts that were replaced every thirty kilometers, which allowed them to cover considerable distances in a short time.

  • Telegraph

    Telegraph
    In 1850, the Scottish Alexander Bain invented a telegraph machine that could send and receive messages using perforated strips of paper. This machine, known as a chemical telegraph, read the holes in chemically treated paper and emitted the corresponding electrical impulse.

  • Landline

    Landline
    The teletrophone or telephone was invented in 1854 by the Italian inventor Antonio Meucci. He built it to connect his office with his bedroom so he could talk to his wife, who was immobilized in bed due to illness.

  • TV

    TV
    The story begins in 1926, when engineer John Logie Baird invented television after several attempts to copy radio's electromagnetic wave system. With a great financial effort and without receiving help from investors, Baird managed to revolutionize telecommunications with this incredible device.

  • Computer

    Computer
    The Z1 was created by German computer pioneer Konard Zuse. He made it in the living room of his parents' house, between 1936 and 1938. It is considered to be the first electronic programmable binary computer. And also the truly functional modern one.

  • Optical fiber

    Optical fiber
    In 1952, physicist Narinder Singh Kapany, relying on the studies of John Tyndall, carried out experiments that led to the invention of optical fiber. One of the first uses of fiber optics was to employ a bundle of fibers for image transmission, which was used in the endoscope.

  • Internet

    Internet
    The beginnings of the Internet date back to the 1960s. In the midst of the Cold War, the United States created an exclusively military network, with the aim that, in the hypothetical case of a Russian attack, military information could be accessed from any point. from the country. This network was created in 1969 and was called ARPANET.

  • Mobile phone

    Mobile phone
    The first mobile phone was invented in 1973 by Motorola. On April 3, 1973, Motorola engineer Martin Cooper made the first mobile phone call in history with the DynaTAC 8000X. The prototype weighed 1.1 kg and was quite large for what we are used to today.

  • ADSL

    ADSL
    Rao, Jean-Jacques Werner y Nicholas Zervos solicitaron en 1988 una patente para su desarrollo de la tecnología de Línea de Suscripción Digital Asimétrica (ADSL),​ que consistió en colocar señales digitales de banda ancha a frecuencias por encima de la señal análoga de voz de banda base transportada entre la central ...