Provinces and settlements of Ancient Rome

This animation presents the history of Ancient Rome throughout the centuries.

Aurora cruiser ship (1900)

The name of the Russian armoured cruiser became well known during the October Revolution of 1917.

Woolly mammoth

Extinct proboscidea closely related to today's elephants, often hunted by prehistoric man.

Scots pine

One of the most common tree of the pine family, native to Eurasia.

North River Steamboat (Clermont) (1807)

Robert Fulton American engineer created the first operational steam-powered ship.

Modern empires

Numerous legendary empires were built (and destroyed) in the course of history.

Fokker Dreidecker I (1917)

The German triplane was perhaps the best known plane in World War I.

Sailing ships

Schooners, first built in the Netherlands in the 17th century, were mainly used as merchant ships.

USS Tarawa LHA-1 (1976)

From the 1940s, the increasingly large aircraft carriers became the masters of the oceans.

Bireme (ancient oared warship)

A bireme is a type of ancient warship, with a characteristic pointed bow and two decks of oars, used by many armies.

Fat-tailed scorpion

The fat-tailed scorpion is one of the world's most dangerous scorpions.

Nitrous acid (HNO₂)

One of the oxoacids of nitrogen. Colourless, moderate acid with a pungent odour, that exists only in aqueous solution.

Phosphorus pentoxide (P₂O₅)

A compound formed as white smoke during the combustion of phosphorus.

Interesting geography facts – Social geography

This animation presents some interesting facts in social geography.

Pearls

Pearls, often used as gemstones, are the by-products of certain molluscs' protective mechanisms.

Electric surface transport

Trolleybuses and trams are environment-friendly means of public transport

Producing ammonia from nitrogen gas and hydrogen gas

Large-scale ammonia production requires high temperature and pressure and the presence of iron as a catalyst.

Cube

This animation demonstrates the components (vertices, edges, diagonals and faces) of the cube, one of the Platonic solids.

Cube of cubes

An exercise about the regular hexahedron built from unit cubes to help deepen your knowledge of cubes.

Robots

An entertaining game about different views of spatial objects.

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