The first days in school

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

Planaria gonocephala

One of the most common types of flatworms.

Conquistador (16th century)

Spanish conquerors owed their success to their armour and firearms.

Cube (exercises)

Edges, diagonals and faces of a cube can be identified by its vertices.

The Channel Tunnel

The Channel Tunnel is a 50.5 km long railway tunnel between the United Kingdom and France, beneath the English Channel.

Chengdu J-20 Mighty Dragon (China, 2017)

The Chengdu J-20, also known as Mighty Dragon, is a multiple function stealth fighter aircraft.

Seeds and germination

Dicotyledons have two embryonic leaves (cotyledons), while monototyledons have only one.

Non-orientable surfaces

The Möbius strip and the Klein bottle are special two-dimensional surfaces with only one side.

Generating alternating current

Electric current can be generated by rotating an armature loop in a magnetic field.

The Knights Templar (12th-13th century)

One of the most important religious military orders, formed in the era of the Crusades.

Measuring time

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

Conic sections

The conic section is a plane curve that is created when a right circular cone is intersected by a plane.

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.

House without carbon-dioxide emission

The design and structure of modern houses play an important role in environmental protection.

Medical conditions of the spine

Scoliosis is a medical condition in which a person's spine has a lateral deviation.

Aztec warriors (15th century)

The fearsome looking Aztec warriors could not stop the Spanish conquistadors with their primitive weapons.

Battle of Kadesh (1285 BC)

The outcome of one of the greatest battles in the history of the ancient East (fought by the Egyptians and Hittites) was indecisive.

Shale gas

This animation explains the technology of shale gas extraction.

English battleship (18th century)

English sailing ships were among the best ships in the 17th-19th centuries.

Space Shuttle

The Space Shuttle was a manned, reusable spacecraft operated by NASA.

Added to your cart.