Four-stroke Otto engine

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

Human body (male)

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

The ear and the mechanism of hearing

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

Colosseum (Rome, 1st century)

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

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

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

Formation of the Earth and Moon

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

Seawater desalination

The desalination process produces drinking water from seawater.

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...

Hagia Sophia (Istanbul)

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

Volcanic activity

This animation demonstrates different types of volcanic eruptions.

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

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

B-24 Liberator

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

Quetzalcoatlus, a giant pterosaur

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

Paleolithic cave

The first dwellings in human history provide a lot of information about the lifestyle of...

Unmanned aerial vehicles (UAV)

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

Santa Maria (15th century)

Christopher Columbus' three-masted carrack, the Santa Maria was the flagship of his...

Structure of skeletal muscles

This animation demonstrates the fine molecular structure and mechanism of muscles.

Ancient Roman domus

Wealthy citizens in ancient Rome owned large houses with varied layouts of several rooms.

Parts of the human body

This animation demonstrates the parts of the head, the torso and the limbs.

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