Three-dimensional assembly puzzle with solutions.
The efficient reconnaissance aircraft has been used by the CIA since the Cold War.
Large, extinct species of cats named after the shape of their large canine teeth.
A game about the different views of complex objects.
The animation demonstrates how laser printers work
Woodwind instruments differ from brass instruments mainly in their reed.
This animation demonstrates various groups of solids through examples.
Due to its design and location, the Opera House of the Australian city is one of the most extraordinary opera houses in the world.
One of the crystalline allotropes of elemental carbon.
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.
A prehistoric amphibian and an early representative of the Tetrapods, which became extinct 360 million years ago.
The mummified body of a man who probably lived in the Chalcolithic period, was found in one of the glaciers of the Alps.
The most popular European-made transport aircraft before World War II.
An exercise about the volume and surface area of solids generated from a ´base cube´.
The iron lattice tower, erected for the 1889 World Fair, became the symbol of the capital city of France.
Giant sequoias are the world's largest living organisms by mass.
One of the best known species of spiders, often kept as pets. Its bite is not fatal for humans.
The B-2 Spirit heavy stealth bomber was deployed in the Balkan war, Afghanistan and Iraq.
This animation demonstrates the construction of motorcycles.