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The medieval Arab inventor, Hassan Al Rammah designed the world's first operating torpedo.
The battle ended with the victory of William the Conqueror´s Norman army over the English.
The Soviet-made twin-engine interceptor aircraft was first deployed in 1982.
The Votive Church of Szeged, located on the Great Plains of Hungary, emerges from the buildings of the city's famous square, while the National Pantheon can...
Flat feet, or fallen arches, may cause a number of health problems.
Cyclones are large air masses with winds spiralling inwards around a low-pressure centre, and carry clouds and precipitation.
A medieval glider constructed by Abbas Ibn Firnas.
The excellent archers were feared members of the Persian army
The tower situated in the capital city of the Kazakh Republic symbolises the tree of life holding a golden egg.
World War I brought major changes in military technology, due to the development of new weapons.
Typical flats characterise the culture of the decade.
This animation demonstrates how electric steam irons work.
Simple harmonic motion can be considered to be the one-dimensional projection of uniform circular motion.
The first Hungarian-made locomotive powered directly from the national electricity network without complicated transformations.
The poisonous bite of the Chilean recluse spider poses a serious threat to human health.
A force can be measured by measuring the twisting of the torsion wire in a torsion balance.
The emergency landing of the pilot appears in the frame story of Antoine de Saint-Exupéry´s most famous novel, The Little Prince.
Three-dimensional assembly puzzle with solutions.
A Zeppelin is a type of controllable, rigid airship.
This animation demonstrates various groups of solids through examples.