One of the crystalline allotropes of elemental carbon.
This animation demonstrates the angle of inclination of lines and planes in various positions.
The screw pump commonly attributed to Archimedes made irrigation much more effective
Pollen serves to fertilise the egg of plants. Pollen grains come in a variety of shapes and sizes, characteristic of the species.
By varying the position of the light source, you can examine the shades projected onto the planes of the coordinate system.
The Ironsides were members of the Parliamentarian cavalry formed by Oliver Cromwell during the English Civil War.
A medieval glider constructed by Abbas Ibn Firnas.
Wines of the Tokaj wine-growing region are well known worldwide.
The mummified body of a man who probably lived in the Chalcolithic period, was found in one of the glaciers of the Alps.
The fortress of Oradea in Transylvania is a good example of medieval fortress architecture.
The prosperity of the eastern part of the Roman Empire started in the early 4th century, during the reign of Emperor Constantine.
The first Hungarian-made locomotive powered directly from the national electricity network without complicated transformations.
This animation compares a modern living room and a typical bourgeois salon.
Maharajas were Hindu rulers of large regions of India.
The protective embankment, or, in case of minor floods, the summer dyke ensures the protection against flood damage.
The excellent archers were feared members of the Persian army
The saker falcon is a large bird of prey widespread in Europe and and Asia.
African tribes have their own distinct cultures.
Medieval kings were typically depicted sitting on their thrones, wearing a crown and the Royal regalia.
Scipio’s Roman army defeated Hannibal’s Punic army in the battle fought during the 2nd Punic war in Africa.