Conic solids

This animation demonstrates various types of cones and pyramids.

Chain Bridge (Budapest)

The Széchényi Chain Bridge, named after István Széchenyi, was the first permanent bridge across the Danube between Pest and Buda.

Farm (Hungary, 19th century)

Small farms usually located near the border of rural towns, inhabited by peasants.

Euler's polyhedron formula

The theorem formulated by Leonhard Euler describes one of the basic properties of convex polyhedra.

Medieval towers and bastions

The structure of fortresses developed together with military technology.

Common kingfisher

The characteristic colours of the common kingfisher aid the bird in catching its prey.

The development of freight transport

This animation demonstrates the development of freight transport, from horse-drawn carts to modern lorries.

Surface area of spheres (demonstration)

The surface of a sphere consists of the set of points which are all at the same distance from a given point in space.

British soldier (World War I)

During World War I, Britain was part of the military alliance called the ´Triple Entente´.

German soldier (World War I)

German sordiers in the First World War were well trained and used modern weapons.

Volume of spheres (Cavalieri´s principle)

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

European ground squirrel

Subterranean rodents widespread in Central- and Eastern Europe.

European colonisation of the Americas (up to 1763)

Several European countries joined the conquest of the New World, making America a colourful continent.

Tiktaalik

A transitional form between fish and tetrapods, or four-limbed vertebrates.

The development of television sets

Television, invented in the early 20th century, became one of the basic forms of entertainment.

Flood defence system

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

Macedonian phalangite (4th century BC)

Soldiers of the ancient Macedonian Kingdom were dreaded warriors.

Battle of Midway (1942)

One of the most important battles of World War II proved to be a turning point of the War in the Pacific

Battle of Alesia (52 BC)

The Gaul city Alesia, which was defended by Vercingetorix, was besieged by the Roman forces of Julius Caesar in 52 BC.

Knights’ hall

One of the most important parts of a medieval castle was the Knights´ hall.

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