Emperor penguin

Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.

Solomon's Temple (Jerusalem, 10th century BC)

Solomon's temple became one of the most important symbols of Jewish architecture.

The Battle of Jutland (1916)

The naval battle fought by the British Navy against the German Navy was the largest sea...

Megalithic cultures in Europe

Structures consisting of enormous stone blocks, dating back thousands of years, are...

How does it work? - Optical disc drives

This animation demonstrates the structure and operation of different types of optical...

Edible nightshades

Many of the most important food crops we consume belong to the family of nightshades.

Regular square pyramid

A regular square pyramid is a right pyramid with a square base and four triangular faces.

Hierarchy of the Medieval Christian church (11th century)

This animation shows the hierarchical structure of the Medieval Christian church.

The Varaždin Castle (16th century)

This stunning castle is situated in northern Croatia.

Hunebeds

These special dolmens located in present-day Netherlands were built about 5,000 years ago.

Hussite wagon fort

The Hussites mastered the use of war wagons in the 15th century.

Surface tension

Surface tension is the property of a liquid that allows it to obtain the smallest surface...

Pula Arena (Pula, 1st century)

The Pula Arena, located in present-day Croatia, was one of the largest Roman...

Waterfall

Waterfalls form where the river flows over a steep precipice in its course.

Lute and hurdy gurdy

The earliest version of the lute appeared in ancient Mesopotamia.

Vision correction

Concave and convex lenses are used for the correction of shortsightedness and farsightedness.

Aztec warriors (15th century)

The fearsome looking Aztec warriors could not stop the Spanish conquistadors with their...

Battle of Kadesh (1285 BC)

The outcome of one of the greatest battles in the history of the ancient East (fought by...

Administrative divisions of the Netherlands

This animation presents the provinces and provincial capitals of the Netherlands.

Wind power station

Wind power stations convert the kinetic energy of the wind into electricity.

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