Four-stroke Otto engine

This animation demonstrates the type of engine most commonly used in cars.

Leonardo da Vinci’s workshop (Florence, 16th century)

Visit the workshop of the Renaissance polymath and his most important inventions and works of art.

Seawater desalination

The desalination process produces drinking water from seawater.

Notable products

A spectacular demonstration of algebraic expressions.

Human body (male)

This animation introduces the most important organ systems of the human body.

Hagia Sophia (Istanbul)

The church of the ´Holy Wisdom´, built in the Byzantine Empire, had been one of the largest...

Tyrannosaurus rex ‘tyrant lizard’

Large carnivores, perhaps the best known of dinosaurs.

The ear and the mechanism of hearing

Ears convert the vibrations of air into electric signals which are then processed by the brain.

Volcanic activity

This animation demonstrates different types of volcanic eruptions

Colosseum (Rome, 1st century)

The most famous and most magnificent amphitheatre of Rome was built in the 1st century.

Formation of the Earth and Moon

This animation demonstrates how the Earth and the Moon were formed.

Acropolis (Athens, 5th century BC)

The world´s most famous citadel, the Acropolis of Athens was built in the 5th century BC, during...

The anatomy and functions of the liver

The liver is a vital organ that plays an important role in the digestion of fats, detoxification...

Deforestation

Deforestation has a negative impact on the environment.

Carboniferous flora and fauna

This animation presents some animals and plants that lived between the Devonian and Permian...

Waterfall

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

The Varaždin Castle (16th century)

This stunning castle is situated in northern Croatia.

Regular square pyramid

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

Scots pine

One of the most common tree of the pine family, native to Eurasia.

Pula Arena (Pula, 1st century)

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

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