Ahorrar energía

The History Of Energy

By 0ll44ii440_0
  • 3500 BCE

    Prehistory

    Prehistory
    The first evidence of the use of an external energy source by humans came a million years ago with the discovery of fire. They discovered the metallurgy.
  • 476 BCE

    Middles Ages

    Middles Ages
    In the Middle Ages, hydraulic and wind mills emerged to grind cereals or pump water. The use of coal as a source of combustion energy instead of wood also began to proliferate.
    China is owed the discovery of gunpowder.

  • 17th and 18th centuries

    17th and 18th centuries
    At the end of the 17th century, important progress took place in Physics and Chemistry, which would lead to the development of the steam engine.

  • XIX century

    XIX century
    The combustion of wood sustained this development until the mid-19th century until, first with coal and then with oil, fossil fuels. They took leading role. Electricity and Electromagnetism made possible to transform electrical energy into mechanical energy. Nikolaus August Otto invent the internal combustion engine.

  • 20th and 21st century

    20th and 21st century
    The bases of Nuclear Energy would be discovered at the beginning of the 20th century by Otto Hahn. 4 years later, Enrico Fermi would build the first nuclear reactor. Climate change and the scarcity of fossil resources are directing efforts towards the production of renewable energy.