The ear and the mechanism of hearing

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

Human body (male)

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

Colosseum (Rome, 1st century)

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

Volcanic activity

This animation demonstrates different types of volcanic eruptions

Seawater desalination

The desalination process produces drinking water from seawater.

Tyrannosaurus rex ‘tyrant lizard’

Large carnivores, perhaps the best known of dinosaurs.

Acropolis (Athens, 5th century BC)

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

Hagia Sophia (Istanbul)

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

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.

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 influential inventions and...

Electric motors

Electric motors are present in many areas of our everyday lives. Let's learn about the...

The Alhambra in the 16th century (Spain)

The name of this magnificent palace complex originates in Arabic and means 'the red one'.

Evaporation and boiling

What happens in a liquid during evaporation and boiling? What does its boiling point...

The Moon

The Moon is the Earth's only natural satellite

B-24 Liberator

The B-24 Liberator was an American heavy bomber aircraft, built in large numbers, that...

Icebergs

Icebergs are blocks of frozen freshwater floating in the sea.

Quetzalcoatlus, a giant pterosaur

Quetzalcoatlus was one of the largest known flying animals of all time.

Ictíneo II submarine

The submarine designed by the Spanish inventor Narcís Monturiol was a pioneering work in...

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