Ictíneo II submarine

The submarine designed by the Spanish inventor Narcís Monturiol was a pioneering work in the history of underwater navigation.

Ancient agriculture in the Nile Valley

Ancient Egypt was called the ‘gift of the Nile’, since the river played an important role in the rise of Egyptian civilisation.

Medieval keep

Keeps were typical buildings in the Middle Ages, also built independently from castles.

Vision correction

Concave and convex lenses are used for the correction of short-sightedness and far-sightedness.

AH-64 Apache (USA, 1975)

The Apache attack helicopter, named after an American Indian tribe, was developed for the United States Army.

English battleship (18th century)

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

Junction

Entertaining and spectacular animation to practise orientation in space.

Muscles of the upper arm

The arms are moved by flexor and extensor muscles.

Trench network (World War I)

Static warfare was one of the characteristics of WWI

Conquistador (16th century)

Spanish conquerors owed their success to their armour and firearms.

V-2 ballistic missile (1944)

The German liquid-propellant rocket, developed during WWII, was the first known man-made object to reach space.

Transport networks

The animation presents the main air, water and land routes and transport hubs.

B-17 Flying Fortress (USA, 1938)

The ´Flying Fortress´ was developed for the United States Army Air Force by Boeing

Seeds and germination

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

Supermarine Spitfire (United Kingdom, 1938)

Spitfire was a legendary British single-seat military aircraft used in World War II.

Ancient Roman siege engines

Ancient Roman conquerors had effective siege engines developed for attacking fortifications.

RT-2PM Topol Intercontinental ballistic missile (Soviet Union, 1985)

A mobile, nuclear-capable ballistic missile developed at the end of the Cold War.

The skull and the spine

The two main parts of the central nervous system, the brain and the spinal cord are protected by the skull and the spinal column.

Bones of the lower limbs

Bones of the lower limbs are connected to the trunk by the pelvis.

Aztec warriors (15th century)

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

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