How Hydroelectricity works?

How Hydroelectricity works?

{Intro Music} Green or Renewable energy is generated from Natural sources Such as wind, water, sunlight, rain and geothermal heat. One of them is hydroelectricity which uses water as a source and is generated in Hydro-power plants today Hydroelectricity produces approximately 24 percent of the world’s electrical energy. In this video we will learn how…

The Future of Airplanes

The Future of Airplanes

These are the technological developments that will allow us to move ourselves and our cargo cheaper, greener, and faster, through the air, going forward. This is the future of flight. With the first all-electric twin-engine, self-powered aircraft successfully crossing the English Channel this month, and the ongoing effort of the Solar Impulse team to become…

Renewable energies: the return of biomass

Renewable energies: the return of biomass

There is an optimum age for harvesting wood. It depends on the function: timber for instance… In the 17th century in France big oak groves were planted. Huge timbers were grown. Harvesting prospects were over a matter of centuries. Nowadays sawmills may exploit trees of a smaller diameter. The cutting age may be chosen, according…