The Canadian helicopter is one of the most widely used helicopters in the world.
The structure of fortresses developed together with military technology.
Find views and nets of three-dimensional shapes.
Competing with each other in the 19th and 20th centuries, the world´s most powerful nations made great efforts to develop effective firearms.
This animation demonstrates various types of cones and pyramids.
This animation demonstrates the angle of inclination of lines and planes in various positions.
An exercise about the generation of solids of revolution.
The battle ended with the victory of William the Conqueror´s Norman army over the English.
This animation demonstrates the most important seas and bays.
A game about sights around the world.
Slavic warriors were greatly respected throughout Europe in the Middle Ages.
This animation demonstrates the development of freight transportation, from horse-drawn carts to modern trucks.
This animation demonstrates the use of modern technology in agriculture.
Pollen serves to fertilize the egg of plants. Pollen grains come in a variety of shapes and sizes, characteristic of the species.
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...
This animation demonstrates the relative position of lines and planes.
Medieval kings were typically depicted sitting on their thrones, wearing a crown and the Royal regalia.
Coloring the vertices, edges and faces of a given cube according to the criteria specified in the exercise.
The iron lattice tower, erected for the 1889 World Fair, became the symbol of the capital city of France.
The animation demonstrates the process of ring closure of open-chain glucose into alpha- and beta-D-glucose.