Movements of the head

This animation demonstrates how muscles and vertebrae move the head.

Radial engine

Radial engines are used primarily in aeroplanes and helicopters.

Slavs

Modern Slavs live in 14 European countries that can be classified into 3 groups.

Reed and bulrush

Cosmopolitan monocots inhabiting watersides.

Administrative divisions of China

A presentation of the major administrative units of China.

German alphabet game

Practise the German alphabet and form words from the letters.

English alphabet game

Practise the English alphabet, build words from letters.

Russian alphabet game

Practise the Russian alphabet, build words from letters.

Ukrainian Cossack (17th century)

Cossacks, members of independent semi-military communities, played an important role in the history of Ukraine.

Ratio of volumes of similar solids

This 3D scene explains the correlation between the ratio of similarity and the ratio of volume of geometric solids.

Thermometers

There are various types of instruments used for measuring temperature.

American bison

The American bison is the largest land animal in North America.

Great Mosque of Djenné (1907)

The mosque, built in a distinctive architectural style, is the largest adobe structure in the world.

The structure of prokaryotic and eukaryotic cells

There are two basic cell types: prokaryotic and eukaryotic cells.

The adrenal glands

The adrenal glands are responsible for maintaining homeostasis and producing a rapid response in stressful situations.

Permian flora and fauna

This 3D scene presents the flora and fauna of the last period of the Palaeozoic Era.

Fallingwater (Mill Run, USA, 1939)

Frank Lloyd Wright's well-known work is a masterpiece of modern organic architecture.

The anatomy of the heart

This scene presents the location, anatomy and functioning of the central organ of the human circulatory system.

Cement production

This 3D scene presents the steps of the cement manufacturing process.

How does it work? - Vacuum cleaner

The vacuum cleaner creates a partial vacuum and sucks up dust with the help of the incoming high-pressure air.

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