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Seas and bays

This animation demonstrates the most important seas and bays.

Ancient Indian war elephant

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

Angle of inclination of lines and planes

This animation demonstrates the angle of inclination of lines and planes in various positions.

Archimedes’ screw (3rd century BC)

The screw pump commonly attributed to Archimedes made irrigation much more effective

Granary in the Indus Valley

Ancient Indians built huge, naturally ventilated storehouses.

Volume of spheres (Cavalieri´s principle)

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

Cromwell´s Ironsides (17th century)

The Ironsides were members of the Parliamentarian cavalry formed by Oliver Cromwell during the English Civil War.

Common blackbird

This animation demonstrates birds' bones and eggs through the example of the common blackbird.

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.

Firearms

Competing with each other in the 19th and 20th centuries, the world´s most powerful nations made great efforts to develop effective firearms.

Shape games

Find views and nets of three-dimensional shapes.

Medieval knight

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

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.

Arch of Titus (Rome, 1st century)

The Arch of Triumph was built at the entrance of the Forum Romanum, to commemorate Emperor Titus’ victory in the Siege of Jerusalem.

British soldier (World War I)

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

Wine region

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

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