Planets, sizes

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


The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.

Trojan horse

According to Homer’s epic, Odysseus’ Stratagem caused the loss of Troy.

Layers of forests

The layers of different types of forests may vary.

Lesser horseshoe bat

Bats use ultrasound to navigate and hunt for prey.

Countries of the World

Learning about the geographic location, capitals and flags of the world´s countries...

Darwin's legendary voyage

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

Colouring book

This creative animation contains several 3D objects for colouring.

How does it work? - Computer networks

The Internet allows us to send data quickly to large distances.

The mechanism of vision

The curvature of the lens of the eye changes when we look at a distant or at a near...

Mail coach service (Great Britain, 18th century)

Before the emergence of motorised vehicles, letters and parcels were delivered by...

TGV POS train

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


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

Electric motors

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

Egyptian Pyramids (Giza, 26th century BC)

The Giza Necropolis is the only one of the Ancient wonders still intact.

The science of candles

Candles have been used for lighting since ancient times.

Ancient Egyptian house

An average Egyptian dwelling consisted of regularly arranged rooms.

Globe Theatre (London, 17th century)

One of the directors of the circular, open-air Renaissance theatre in London was William...

The Sun's path above the major circles of latitude

The apparent movement of the Sun is caused by the Earth's rotation around its axis.

Operation of river locks

River locks make rivers with great level differences safe for boating.

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