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Geothermal power stations convert energy of hot, high-pressure water found in deeper layers of the Earth into electricity.
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A geyser is a spring characterised by intermittent discharge of water and steam.
Groundwater and aquifers are types of underground waters.
Biogas can be produced from organic material (manure, plant waste, organic waste) using bacteria. Biogas is a mixture of methane and carbon dioxide; burning...
This animation demonstrates the structure and operation of impulse turbines.
The huge dam built on the Colorado river in the US was named after a former American President.
Tidal power stations utilise the daily fluctuation of the water level for producing electricity.
Energy released during nuclear fission can be used for civilian or military purposes.
Combining a conventional internal combustion engine propulsion system with an electric propulsion system reduces emission.
Nuclear fusion will serve as an environmentally friendly and practically unlimited source of energy.
This animation demonstrates how solar energy can be utilised.
This animation demonstrates the structure of water towers.
Nuclear power plants convert the energy released during nuclear fission into electric power.
Solar power stations convert solar energy into electricity.
Thermal power stations convert energy released during the combustion of fossil fuels or renewable resources into electricity.
A transformer is a device used for converting the voltage of electric current.
Wind power stations convert the kinetic energy of the wind into electricity.
Machines converting the energy of wind into useful forms of power were already in use in the Middle Ages.
The purpose of the electricity supply network is to provide electricity for consumers.
Pollution is the detrimental effect of human activity on the natural environment.