Four-stroke Otto engine

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

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

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

The ear and the mechanism of hearing

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

Volcanic activity

This animation demonstrates different types of volcanic eruptions.

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...

Human body (male)

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

Seawater desalination

The desalination process produces drinking water from seawater.

Colosseum (Rome, 1st century)

The most famous and most magnificent amphitheater 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.

Tyrannosaurus rex ‘tyrant lizard’

Large carnivores, perhaps the best known of dinosaurs.

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...

Unmanned aerial vehicles (UAV)

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

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...

Hungarian alphabet game

Practice the Hungarian alphabet and form words from the letters.

Terms of physical geography

This animation demonstrates the most important relief features, surface waters and their...

Layers of the skin; cutaneous senses

The skin is the soft outer covering of our body, its three layers are the epidermis, the...

Electric bell

Mechanical bell that functions by means of an electromagnet.

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