An earthquake is one of the most devastating natural phenomena.


Machines converting the energy of wind into useful forms of power were already in use in the Middle Ages.

Lesser horseshoe bat

Bats use ultrasound to navigate and hunt for prey.

Darwin's legendary voyage

Darwin's legendary voyage aboard HMS Beagle played a crucial role in the development of the Theory of Evolution.

The Human Body - for Kids

This scene summarizes the main organs of the human body.

TGV POS train

The train operates between Paris and southern Germany, its cruise speed is 320 km/h.

Mail coach service (Great Britain, 18th century)

Before the emergence of motorised vehicles, letters and parcels were delivered by horse-drawn mail coaches.


Cereals are species of grasses cultivated for their edible grains.

The Suez Canal

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

Geometric transformations – reflection

This animation demonstrates geometric reflection, a type of geometric transformation both in plane and space.

Inventions in the textile industry, 18th century

Inventions in the 18th century resulted in huge advances in the development of the textile industry.

Ames room

An Ames room is a distorted room that is used to create an optical illusion.

Relief map of China

An introduction to the relief and hydrography of China.

Wankel engine

A type of rotary engine of high efficiency

Lead-acid battery

Electrochemical processes in a lead-acid battery produce electric current.

De Havilland DH-106 Comet 1 (1949)

The aircraft manufactured by the British de Haviland company was the world's first mass-produced commercial jetliner.

Measuring time

The first calendars and time-measuring instruments were already used by ancient Eastern civilisations.

Conformations of ethane

The staggered conformation of ethane is more stable than the eclipsed conformation.

The first days in school

Learn the concept of colours, numbers, letters and shapes while playing

The reflection and refraction of light

A ray of light is reflected or refracted at the boundary of two mediums with different refractive indices.

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