Yuri Gagarin’s journey to outer space (1961)

Yuri Gagarin became the first human in space on April 12, 1961.

How does it work? - Computer networks

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

Deep Sea Hydrothermal Vents

A hydrothermal vent is a fissure in the planet's surface through which geothermally heated water erupts.

Phase transitions

A phase transition is the transformation of a substance from one state of matter to another.

Viking stave church (Borgund, 13th century)

A wooden church built in the 12th-13th centuries, the best preserved of Norway´s stave churches.

Structure of nitrogen molecules

This animation demonstrates the structure of nitrogen molecules, with one sigma and two pi bonds holding the atoms together.

Chain reaction

Energy released during nuclear fission can be used for civilian or military purposes.

Mining at the time of the Industrial Revolution

At the end of the 18th century, mining boomed because of the great need for raw materials in the dynamically developing industry.

Development of the atomic model

Major phases in the history of theories and views about the structure of the atom.

Geographical discoveries (15th-17th century)

Legendary geographical discoveries at the beginning of the Modern Age had not only redrawn maps, but also had a truly diverse impact.

Samurai

The primary duty of these Japanese warriors was to serve their feudal lords, even at the cost of their own lives.

Appendicitis

The inflammation of the vermiform appendix, which is connected to the cecum, requires immediate surgical intervention. The animation shows the cause and...

Covalent bonds in benzene molecules

In benzene there are sigma bonds and delocalized pi bonds between carbon atoms.

Offshore natural gas extraction, Norway

The Troll A is an offshore natural gas platform, the largest offshore platform ever built: it rises about 170 meters (558 feet) above water level, weighs...

Himeji Castle

Located close to Osaka, the Japanese castle is also called the White Heron because of its white exterior.

How does it work? - Gearbox

In transmission systems, the engine torque is modified by reducing or increasing rotational speed.

Common bottlenose dolphin

Bottlenose dolphins are sea mammals which use ultrasound for orientation.

Human body (female)

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

Tenochtitlan (15th century)

The magnificent capital of the Aztec Empire astonished even the Spanish Conquistadors.

Viking settlement (10th century)

Typical settlements of the Norsemen were not only established in Scandinavia, they appeared on distant areas as well.

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