This animation presents the current refugee crisis from various points of view.
The Orthodox church, situated on a picturesque cliff, was named after John the Apostle
The Rietveld Schröder House, located in the town of Utrecht in the Netherlands, can be considered a forerunner of modern houses.
The most important types of local winds are the sea-land breeze, the mountain-valley breeze as well as the downslope winds.
A legendary fighter plane used by the German air force in World War II.
Rotating a rectangle around its axes of symmetry or around its sides results in solids of revolution.
A variety of peripherals can be used with laptop computers.
This animation demonstrates the construction of a fire engine.
A colourless, odourless gas, an important component of the atmosphere, indispensable to sustain terrestrial life.
The Jumbo Jet is one of the best known airliners.
Alkanes are saturated hydrocarbons which can be organised into a homologous series.
This animation demonstrates how a washing machine works.
Amino acids that make up proteins are bound by peptide bonds.
The battle ended with the victory of William the Conqueror´s Norman army over the English.
The animation shows the forms of government and official languages of the world´s countries.
The Tower of Hanoi is a mathematical puzzle.
Based on their life cycle, insects can be grouped into three categories: ametabolous, hemimetabolous or holometabolous insects.
The medieval Arab inventor, Hassan Al Rammah designed the world's first operating torpedo.
The British Royal Fleet led by Admiral Lord Nelson defeated the combined Franco-Spanish fleet in the naval battle during the Napoleonic Wars.
During World War I France was part of the military alliance called 'Triple Entente'.