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Aztec warriors (15th century)

The fearsome looking Aztec warriors could not stop the Spanish conquistadors with their primitive weapons.

Battle of Kadesh (1285 BC)

The outcome of one of the greatest battles in the history of the ancient East (fought by the Egyptians and Hittites) was indecisive.

Wind power station

Wind power stations convert the kinetic energy of the wind into electricity.

USS Ohio (US, 1979)

Nuclear propulsion was first used by the US Navy for powering submarines in the mid-20th century.

The Knights Templar (12th-13th century)

One of the most important religious military orders, formed in the era of the Crusades.

North River Steamboat (Clermont) (1807)

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

The city of Ur (3rd millennium BC)

The ancient city located near the river Euphrates was an important Sumerian centre.

Land reclamation in the Netherlands, 17th century

Inhabitants of the northern part of the Netherlands have successfully fought the sea since the Middle Ages.

Cortical organisation of speech

Producing speech requires the synchronised operation of several cortical centres.

Chengdu J-20 Mighty Dragon (China, 2017)

The Chengdu J-20, also known as Mighty Dragon, is a multiple function stealth fighter aircraft.

Colonisation and decolonisation

The colonising powers´ colours were wiped off the map by the nations fighting to regain their independence.

Fokker Dreidecker I (1917)

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

Conquistador (16th century)

Spanish conquerors owed their success to their armour and firearms.

Seeds and germination

Dicotyledons have two embryonic leaves (cotyledons), while monototyledons have only one.

Uranus

Uranus is the 7th planet from the Sun, a gas giant.

English battleship (18th century)

English sailing ships were among the best ships in the 17th-19th centuries.

How does it work? - Water tower

This animation demonstrates the structure of water towers.

Slavic warriors

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

Art Nouveau architecture

One of the most beautiful Art Nouveau buildings in Hungary.

Carbonate ion (CO₃²⁻)

A compound ion produced from carbonic acid by releasing protons.

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