The Fighting Falcon is the most successful aircraft in the category of multi-purpose fighters.
The Soviet-made twin-engine interceptor aircraft was first deployed in 1982.
Various forms of earth fortifications were characteristic structures in Europe's early history.
Tanks developed in the mid-1910s quickly became the most important weapons of land-based military operations.
The efficient reconnaissance aircraft has been used by the CIA since the Cold War.
The B-2 Spirit heavy stealth bomber was deployed in the Balkan war, Afghanistan and Iraq.
The screw pump commonly attributed to Archimedes made irrigation much more effective
The Széchényi Chain Bridge, named after István Széchenyi, was the first permanent bridge across the Danube between Pest and Buda.
Small farms usually located near the border of rural towns, inhabited by peasants.
The animation demonstrates the process of ring closure of open-chain glucose into alpha- and beta-D-glucose.
The US Marine Corps is an important branch of the US Armed Forces, with about 200 thousand, specially trained members.
Several European countries joined the conquest of the New World, making America a colourful continent.
Automobiles have evolved a lot since the late 19th century.
Hovercraft are capable of travelling at high speed above the surface of water.
This animation demonstrates the development of freight transport, from horse-drawn carts to modern lorries.
Calculating the volume of a sphere is possible using an appropriate cylinder and cone.
The geographical distribution of major (world) religions has been influenced by historical events.
The surface of a sphere consists of the set of points which are all at the same distance from a given point in space.
Television, invented in the early 20th century, became one of the basic forms of entertainment.
Medieval knights were vassals of feudal lords and fought on horseback in battles.
During World War I, Britain was part of the military alliance called the ´Triple Entente´.
German sordiers in the First World War were well trained and used modern weapons.