How does it work? – Escalator

This animation demonstrates how an escalator works.

Aurora cruiser ship (1900)

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

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.

Trilobites

The ancestors of Arachnida and Crustacea belonged to the class Trilobita.

Apatosaurus

Long-necked herbivorous dinosaur with a robust body.

How does it work? - Air conditioner

An air conditioner cools the air inside by drawing heat away and releasing it outside.

Conquistador (16th century)

Spanish conquerors owed their success to their armour and firearms.

Burj Al Arab (Dubai, 1999)

Burj Al Arab, the world's only seven-star luxury hotel is located in the United Arab Emirates.

Tanks (World War I)

Tanks developed in the mid-1910s quickly became the most important weapons of land-based military operations.

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