House without carbon-dioxide emission

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

The Channel Tunnel

The Channel Tunnel is a 50.5 km (31.4 mi) long railway tunnel between the United Kingdom and France, beneath the English Channel.

The history of aviation

The animation offers a summary of the history of aviation from the Middle Ages.

Satellite navigation, GPS

The Global Positioning System consists of 24 satellites but only 4 have to be visible for positioning.

Suction pumps and direct action pumps

Direct action pumps and suction pumps are among the simplest water pumps.

Flood defense system

The protective embankment, or, in case of minor floods, the summer dike ensures the protection against flood damage.

Cities

A type of settlement that has central functions.

Human evolution

The brain and skull underwent significant changes during human evolution.

MAV V40 (Kando locomotive, 1932)

The first Hungarian-made locomotive powered directly from the national electricity network without complicated transformations.

Medieval Arab torpedo (Hassan Al Rammah, 13th century)

The medieval Arab inventor, Hassan Al Rammah designed the world's first operating torpedo.

Volume of spheres (Cavalieri´s principle)

Calculating the volume of a sphere is possible using an appropriate cylinder and cone.

The castle of Eger (16th century)

The castle of Eger got its final shape and became an important component in the new chain of border forts in the 16th century.

How does it work? - Laser printer

The animation demonstrates how laser printers work

Katie on the playground

A colorful and entertaining animation to practice orientation in space.

Persian pontoon bridge (5th century BC)

King Darius as well as Xerxes built pontoon bridges across the Bosphorus for the Persian army.

Clothing in ancient Egypt

Inhabitants of ancient Egypt wore characteristic clothes and jewelry.

Ötzi, the Iceman

The mummified body of a man who probably lived in the Chalcolithic period, was found in one of the glaciers of the Alps.

Ancient Indian war elephant

Ancient Indian war elephants were used as ´tanks´ in battles.

Medieval Arab water pump (Al-Jazari, 13th century)

The ingenius water pump designed by Al-Jazari is a great example of the creativity of Medieval Arab engineers.

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