Your cart is emptyShop
The huge dam built on the Colorado river in the US was named after a former American President.
Hoover Dam, hüdroelektrijaam, USA, elektrijaam, energia, energia tootmine, turbiin, Voolutugevus, generaator, trafo, jõe reguleerimine, vee ladustamine, vesi, jõgi, tarbija, geograafia
The purpose of the electricity supply network is to provide electricity for consumers.
Water turbines convert the kinetic energy of water into electric current.
Rivers play an important role in shaping the Earth's surface: they cause erosion as well as carrying and depositing sediment.
Tidal power stations utilise the daily fluctuation of the water level for producing electricity.
A transformer is a device used for converting the voltage of electric current.
Biogas can be produced from organic material (manure, plant waste, organic waste) using bacteria. Biogas is a mixture of methane and carbon dioxide; burning...
Nuclear fusion will serve as an environmentally friendly and practically unlimited source of energy.
Geothermal power stations convert energy of hot, high-pressure water found in deeper layers of the Earth into electricity.
A geyser is a spring characterised by intermittent discharge of water and steam.
Nuclear power plants convert the energy released during nuclear fission into electric power.
Solar power stations convert solar energy into electricity.
This animation demonstrates the states and largest cities of the USA.
Wind power stations convert the kinetic energy of the wind into electricity.
The protective embankment, or, in case of minor floods, the summer dyke ensures the protection against flood damage.
San Francisco lahte Vaikse ookeaniga ühendava väina kohal kulgev rippsild avati 1937. aastal.
River locks make rivers with great level differences safe for boating.
Kuidas kasutada päikeseenergiat?
Standing bodies of water can form in depressions on the surface by both endogenic and exogenic forces, as well as by human activity.
Thermal power stations convert energy released during the combustion of fossil fuels or renewable resources into electricity.
Machines converting the energy of flowing or falling water into useful forms of power were already in use in the Middle Ages.