Ichthyostega

A prehistoric amphibian and an early representative of the Tetrapods, which became extinct 360 million years ago.

How does it work? - Water tower

This animation demonstrates the structure of water towers.

Flood defence system

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

Giant sequoia

Giant sequoias are the world's largest living organisms by mass.

Knights’ hall

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

Medieval knight

Medieval knights were vassals of feudal lords and fought on horseback in battles.

Sabre-toothed cat

Large, extinct species of cats named after the shape of their large canine teeth.

The Hungarian army in the 15th century (cavalry)

One of the main units of Matthias Corvinus´ Black Army was the cavalry.

The development of television sets

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

German soldier (World War I)

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

British soldier (World War I)

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

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.

The reproduction and development of insects

Based on their life cycle, insects can be grouped into three categories: ametabolous, hemimetabolous or holometabolous insects.

Market town (Kingdom of Hungary)

Market towns became the most common type of towns in the Kingdom of Hungary by the Late Middle Ages.

Volume of spheres (Cavalieri´s principle)

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

Coenzyme A

An acyl-carrier coenzyme taking part in both anabolic and catabolic processes.

Wine region

Wines of the Tokaj wine-growing region are well known worldwide.

Medieval Christian king

Medieval kings were typically depicted sitting on their thrones, wearing a crown and the Royal regalia.

Arab Caliph (7th century)

Caliphs, considered successors of the Prophet Muhammad, were the most important religious leaders of Islam.

Persian monarch (5th century BC)

Ancient Persian monarchs were famous for the size of their empire and their wealth.

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