Mongol warrior (13th century)

The dreaded warriors of the Mongol Empire helped to make it one of the largest empires in history.

Helicopter (BELL 206 Jet Ranger)

The Canadian helicopter is one of the most widely used helicopters in the world.

American Marine (beginning of the 21st century)

The US Marine Corps is an important branch of the US Armed Forces, with about 200 thousand, specially trained members.

Colouring a cube

Colouring the vertices, edges and faces of a given cube according to the criteria specified in the exercise.

World religions today

The geographical distribution of major (world) religions has been influenced by historical events.

Solids of revolution (rectangle)

Rotating a rectangle around its axes of symmetry or around its sides results in solids of revolution.

Ring closure of glucose

The animation demonstrates the process of ring closure of open-chain glucose into alpha- and beta-D-glucose.

Oxygen (O₂) (intermediate)

A colourless, odourless gas, an important component of the atmosphere, indispensable to sustain terrestrial life.

Carbonate ion (CO₃²⁻)

A compound ion produced from carbonic acid by releasing protons.

Slavic warriors

Slavic warriors were greatly respected throughout Europe in the Middle Ages.

Battle of Zama (202 BC)

Scipio’s Roman army defeated Hannibal’s Punic army in the battle fought during the 2nd Punic war in Africa.

Ancient Greek merchant ship

Ancient Greeks became the ‘carters of the sea’ thanks to their advanced sailing ships.

The Great Stupa (Sanchi, 2nd century BC)

The masterpiece of Buddhist architecture is located in India.

Granary in the Indus Valley

Ancient Indians built huge, naturally ventilated storehouses.

Light and shadow

By varying the position of the light source, you can examine the shades projected onto the planes of the coordinate system.

Ancient Indian war elephant

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

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.

The fortress of Oradea (1775)

The fortress of Oradea in Transylvania is a good example of medieval fortress architecture.

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