Atmospheric circulation

The difference between the temperature of the polar and equatorial zones causes atmospheric circulation which is affected by a number of factors, including...

The Sun

The diameter of the Sun is about 109 times that of the Earth. Most of its mass consists of hydrogen.

Gutenberg's press (Mainz, 15th century)

Life magazine picked Gutenberg's invention of mechanical movable type printing as the most important event of the second millennium.

ISS

The International Space Station is a habitable satellite built with the cooperation of 16 countries.

Generators and electric motors

While generators convert mechanical energy into electrical energy, electric motors convert electrical energy into mechanical energy.

Traditional Japanese house (Machiya)

The animation shows the traditional Japanese wooden townhouse, the machiya.

Container ships

Commercial maritime routes of container ships form a global network.

Hot-air balloon (18th century)

The French Montgolfier brothers were the first pioneers of flying.

Glands connected to the duodenum

The pancreas and the liver empty digestive juices into the duodenum.

B-24 Liberator

The B-24 Liberator was an American heavy bomber aircraft, built in large numbers, that was used on every front during World War II.

Medieval town

Medieval townhouses were built from stone or brick and were several storeys high.

Newton’s Laws of Motion

This animation demonstrates Sir Isaac Newton's three laws of motion that laid the foundation for classical mechanics.

TGV POS train

The train operates between Paris and southern Germany, its cruise speed is 320 km/h.

The Berlin Wall (1961-1989)

A symbol of division and oppression, the Wall tore a city and numerous families apart.

How does it work? - Gearbox

In transmission systems, the engine torque is modified by reducing or increasing rotational speed.

Stonehenge (Great Britain, Bronze Age)

The world famous monument in England still poses mysteries for archaeologist.

Ancient Greek house

The average house in Ancient Greece had a rectangular, geometrical floor plan and two storeys.

Macedonian siege tower (4th century BC)

The army of Alexander the Great successfully deployed siege towers in its attacks against fortifications.

Ancient Roman domus

Wealthy citizens in ancient Rome owned large houses with varied layouts of several rooms.

Colouring book

This creative animation contains several 3D objects for colouring.

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