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Seawater desalination

The desalination process produces drinking water from seawater.

Tyrannosaurus rex ‘tyrant lizard’

Large carnivores, perhaps the best known of dinosaurs.

Nizwa Fort (Oman, 17th century)

The round tower of the largest fort in the Arabian Peninsula had an ingenious defense system.

Formation of the Earth and Moon

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

Volcanic activity

This animation demonstrates different types of volcanic eruptions.

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

The world's most famous citadel, the Acropolis of Athens was built in the 5th century B.C., during the Age of Pericles.

Perimeter, area, surface area and volume

This animation presents the formulas to calculate the perimeter and area of shapes as well as the surface area and volume of solids.

The ear and the mechanism of hearing

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

Human body (male)

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

Four-stroke Otto engine

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

Colosseum (Rome, 1st century)

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

Hagia Sophia (Istanbul)

The church of the "Holy Wisdom," built in the Byzantine Empire, had been one of the largest religious buildings until 1935, when it was converted into a museum.

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

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

Effects of smoking on the lungs

Smoking severely damages the respiratory system, it may cause COPD or lung cancer.

Voyager space probes

The Voyager space probes were the first man-made objects to leave the Solar System. They gather data about outer space and carry information about humanity.

The Alhambra in the 16th century (Spain)

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

The Moon

The Moon is the Earth's only natural satellite

Unmanned aerial vehicles (UAV)

The range of applications of unmanned aerial vehicles ('drones') keeps growing.

Metropolises

A metropolis is a large city with a population of over 1 million people.

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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