Hagia Sophia (Istanbul)

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

Colosseum (Rome, 1st century)

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

The ear and the mechanism of hearing

The ear converts the vibrations of air into electric signals which are then processed by...

Acropolis (Athens, 5th century B.C.)

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

Seawater desalination

The desalination process produces drinking water from seawater.

Four-stroke Otto engine

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

Volcanic activity

This animation demonstrates different types of volcanic eruptions.

Human body (male)

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

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

Visit the workshop of the Renaissance polymath and his most influential inventions and...

Tyrannosaurus rex ‘tyrant lizard’

Large carnivores, perhaps the best known of dinosaurs.

Perimeter, area, surface area and volume

This animation presents the formulas to calculate the perimeter and area of shapes as...

Formation of the Earth and Moon

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

What is the time?

A game to practice the use of analog and digital clocks.

Apatosaurus ★★★ Special Christmas Edition ★★★

Long-necked herbivorous dinosaur with a robust body.

Robots

An entertaining game about different views of spatial objects.

Legendary buildings

A selection of legendary buildings from the history of civilisation.

Deep Sea Hydrothermal Vents

A hydrothermal vent is a fissure in the planet's surface from which geothermally heated...

The Panama Canal

The Panama Canal is an artificial waterway created to shorten shipping routes between the...

The Suez Canal

The Suez Canal is an artificial waterway connecting the Red Sea and the Mediterranean Sea.

Relief map of China

An introduction to the relief and hydrography of China.

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