Electric bell

Mechanical bell that functions by means of an electromagnet.

African village (Sudan)

African villages adapt to the natural environment well and reflect of the culture of local tribes.

The city of Babylon (6th century BC)

The ancient city of Babylon was built on the banks of the Euphrates River in Mesopotamia.

Mail coach service (Great Britain, 18th century)

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

TGV POS train

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

Windmill

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

Electric motors

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

Planets, sizes

The inner planets of the Solar System are terrestrial planets while the outer planets are gas giants.

How does it work? - Turbojet

This animation demonstrates how a turbojet engine works.

The development of celestial mechanics

This animation introduces the studies of astronomers and physicists whose works fundamentally changed our view of the universe.

How does it work? - Computer tomography scanner

This animation demonstrates the structure and operation of CT scanners.

Chichen Itza (12th century)

The legendary city of the Mayan-Toltec Empire was located on the territory of present-day Mexico.

The flowers of angiosperms

The animation demonstrates the different flower types of angiosperms.

Layers of the ocean

Physical properties, as well as the flora and fauna of the ocean change with depth.

Generators and electric motors

While generators convert mechanical energy into electrical energy, electric motors convert electrical energy into mechanical energy.

Traditional Japanese house (Machiya)

The animation shows the traditional Japanese wooden townhouse, the machiya.

Newton’s Laws of Motion

This animation demonstrates Sir Isaac Newton's three laws of motion that laid the foundation for classical mechanics.

Environmentally friendly vehicles

Combining a conventional internal combustion engine propulsion system with an electric propulsion system reduces emission.

Saint Alexander Nevsky Cathedral (Sofia, 20th century)

Built in Neo-Byzantine style, this Orthodox cathedral is one of the symbols of the Bulgarian capital city.

Our astronomical neighbourhood

A demonstration of nearby planets, stars and galaxies.

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