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This animation explains the technology of shale gas extraction.
Igloos were the typical dwellings built by Eskimos living in the Arctic zone.
Types of bridges include beam-, arch-, suspension-, cantilever and truss bridges.
Ports must provide necessary infrastructure and services for industry and marine transport.
Airports provide infrastructure and services necessary for aviation.
The Kepler space telescope was launched by NASA to discover Earth-like planets orbiting...
System that satisfies consumers’ demands of water supply, wastewater disposal,...
Pollution is the negative effect of human activity on the natural environment.
Water turbines convert the kinetic energy of water into electric current.
Oases are areas in deserts where water is available.
A long pipe in the centre of the tower penetrates the ocean bed until it reaches the...
Oil tankers appeared in the late 19th century; today they are among the largest ships.
This animation presents some interesting facts in social geography.
Tidal power stations utilise the daily fluctuation of the water level for producing...
As opposed to opencast mines, in underground mines the layers covering coal are not...
Biogas can be produced from organic material (manure, plant waste, organic waste) using...
Paper was invented more than two thousand years ago.
Articulated lorries play an important role in road transport.
As opposed to underground mines, in open-pit mines the layers covering coal are removed,...
The products of oil refining include diesel oil, petrol and lubricants.