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This animation demonstrates how solar energy can be utilised.
The diameter of the Sun is about 109 times that of the Earth. Most of its mass consists of hydrogen.
Biogas can be produced from organic material (manure, plant waste, organic waste) using bacteria. Biogas is a mixture of methane and carbon dioxide; burning...
The purpose of the electricity supply network is to provide electricity for consumers.
The huge dam built on the Colorado river in the US was named after a former American President.
In a passive house a comfortable inner temperature can be ensured without the use of traditional heating and cooling systems.
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.
This animation demonstrates the main sources of air pollution: agriculture, industry and urban settlements.
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.
Geothermal power stations convert energy of hot, high-pressure water found in deeper layers of the Earth into electricity.
This physicist-inventor and electrical engineer who mainly dealt with electrotechnics was undoubtedly one of the most brilliant figures of the second...
System that satisfies consumers’ demands of water supply, wastewater disposal, electricity, heat and gas supply and telecommunication.
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.
The American electrical engineer Edison invented the incandescent light bulb in 1879, which changed our everyday life.
Trolleybuses and trams are environment-friendly means of public transport
Nuclear power plants convert the energy released during nuclear fission into electric power.
Pollution is the detrimental effect of human activity on the natural environment.
A geyser is a spring characterised by intermittent discharge of water and steam.
The main sources of water pollution are industry, agriculture and urban areas.
Water turbines convert the kinetic energy of water into electric current.
Machines converting the energy of wind into useful forms of power were already in use in the Middle Ages.