Ancient Greek merchant ship

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

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.

Colouring a cube

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

Threshing machine (19th century)

Threshing machines are used for separating grains from straw.

Helicopter (BELL 206 Jet Ranger)

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

Granary in the Indus Valley

Ancient Indians built huge, naturally ventilated storehouses.

Belgrade (15th century)

The castle of Belgrade (Nándorfehérvár) was one of the most important components in the chain of Hungarian border forts.

Common blackbird

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

World religions today

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

Cis-2-butene (C₄H₈)

A colourless, heavier-than-air gas. Its geometric isomer is trans-2-butene.

Pent-1-ene (C₅H₁₀)

A liquid with a characteristic unpleasant odour and a low boiling point.

Styrene (vinyl benzene) (C₈H₈)

A colourless liquid with an odour similar to benzene. The monomer of polystyrene.

2,2 dimethylpropane (C₅H₁₂)

Colourless, odourless gas used as a standard in NMR spectroscopy.

Topographic map of Hungary

This animation demonstrates the geographical regions of Hungary.

Administrative divisions of Hungary

This animation presents the regions, counties and cities of Hungary.

Ethene (ethylene) (C₂H₄)

The first member in the homologous series of 1-alkenes.

Napoleon´s soldier (19th century)

Napoleon Bonaparte´s Grande Armée was considered invincible.

Dimethylamine (NH(CH₃)₂)

A colourless gas with a pungent odour. It is widely used in industry.

Hydrogen peroxide (H₂O₂)

The compound of hydrogen and oxygen. Colourless, odourless liquid; heavier than water.

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