This animation shows the characteristics of domestic light sources, from traditional light bulbs to LED lights.
The largest bronze-age building complex of ancient Crete was probably the centre of Minoan civilisation.
The name of this magnificent palace complex originates in Arabic and means 'the red one'.
The animation shows five outstanding works in the history of sculpture.
The atomic bomb is one of the most destructive weapons in human history.
The three important laws describing planetary motion were formulated by Johannes Kepler.
Our gametes are haploid cells produced from diploid cells by meiosis, a special type of cell division.
A wooden church built in the 12th-13th centuries, the best preserved of Norway´s stave churches.
A symbol of division and oppression, the Wall tore a city and numerous families apart.
The excellent road and aqueduct system covering the whole empire reflects well the development of the Roman civilisation.
One of the best known buildings in the world, this is the residence and office of the President of the United States.
The pancreas and the liver empty digestive juices into the duodenum.
This animation demonstrates the development of the axe throughout archaeological periods.
Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
A dynamo converts mechanical energy into direct current.
Learning about the geographic location, capitals and flags of the world´s countries through exercises in three levels of difficulty.
The Internet allows us to send data quickly to large distances.
Aluminium smelting is the process of extracting aluminium from alumina by electrolysis.
The structure and arrangement of polypeptide chains affects the spatial structure of proteins.
This animation demonstrates the functioning of the 3 basic types of water tap.