This 3D scene presents the steps of the cement manufacturing process.
The vacuum cleaner creates a partial vacuum and sucks up dust with the help of the incoming high-pressure air.
The range of applications of unmanned aerial vehicles ('drones') keeps growing.
This scene presents the location, anatomy and functioning of the central organ of the human circulatory system.
Gan là một cơ quan quan trọng, đóng vai trò trong việc tiêu hóa chất béo, khử độc và chuyển hóa.
Napoleon I, who crowned himself emperor, was one of the most outstanding military commanders in history.
Combining a conventional internal combustion engine propulsion system with an electric propulsion system reduces emission.
The Code of Hammurabi is the emblem of the Mesopotamian civilisation; it contains 282 laws carved into a basalt stele.
Yuri Gagarin became the first human in space on 12 April 1961.
African villages adapt to the natural environment well and reflect of the culture of local tribes.
Practice the Hungarian alphabet and form words from the letters.
This animation demonstrates the most important relief features, surface waters and their relevant symbols.
This animation demonstrates the anatomy of spiders through the example of a common European species.
These great scientists had a tremendous impact on the advancement in physics.
Wind, as an external force, plays an important role in shaping deserts.
The Wright Flyer was the first successful powered, heavier-than-air aircraft, designed and built by the Wright brothers.
The life cycle of vertebrates starts with the production of the reproductive cells of an individual and ends with the production of the reproductive cells...
The central nervous system consists of the brain and the spinal cord, the peripheral nervous system consists of nerves and ganglia.
The bacterial disease known as the bubonic plague is one of the deadliest infectious diseases in the history of mankind.
When producing sound, the vocal cords are vibrated by the air flowing out of the lung.