Competing with each other in the 19th and 20th centuries, the world´s most powerful nations made great efforts to develop effective firearms.
The structure of fortresses developed together with military technology.
The small passenger aircraft is designed for speed, convenience and economical operation.
The Arch of Triumph was built at the entrance of the Forum Romanum, to commemorate Emperor Titus’ victory in the Siege of Jerusalem.
This animation demonstrates the relative position of lines and planes.
Typical flats characterise the culture of the decade.
Ancient Greek heavy infantryman.
The Altar of Peace, commissioned during the reign of Augustus, was one of the most important works of ancient Roman art.
Small farms usually located near the border of rural towns, inhabited by peasants.
The medieval Arab inventor, Hassan Al Rammah designed the world's first operating torpedo.
The battle, that is considered to be a tactical masterpiece, meant a decisive victory for Alexander the Great against Persia.
World War I brought major changes in military technology, due to the development of new weapons.
The Széchényi Chain Bridge, named after István Széchenyi, was the first permanent bridge across the Danube between Pest and Buda.
The ingenius water pump designed by Al-Jazari is a great example of the creativity of Medieval Arab engineers.
This animation demonstrates how lifts work.
Cyclones are large air masses with winds spiralling inwards around a low-pressure centre, and carry clouds and precipitation.
Crystalline allotrope of elemental carbon, the hardest known natural substance.
A brick castle in South-East Hungary; its oldest parts were probably built in the late 14th century.
Influenced by Western Europe, the Tsar attempted to modernise the Russian Empire.
A floatplane (sometimes called hydroplane) is an aircraft capable of taking off not only dry land, but water too.