A traditional Chinese siheyuan is a building complex that surrounds a rectangular courtyard.
A metropolis is a large city with a population of over 1 million people.
This 3D scene presents the flora and fauna of the last period of the Palaeozoic Era.
Let's learn about the bear species that became the symbol of species conservation.
Some principles of physics can be demonstrated through the functioning of bicycles.
The development of mosses, ferns, gymnosperms and angiosperms is characterised by the alternation of generations.
This scene presents the basic components of the human body.
This 3D introduces a centipede species widespread in the Mediterranean.
This scene presents the location, anatomy and functioning of the central organ of the human circulatory system.
Frank Lloyd Wright's well-known work is a masterpiece of modern organic architecture.
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.
By positron emission tomography (PET), we can obtain visual information on our internal organs without making any surgical incisions.
One of the most important components of the microwave oven is the magnetron, which produces the microwaves.
A type of steam locomotives used by British Railways were manufactured in the 1950s.
Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
Neil Armstrong, one of the crew members of Apollo 11 was the first man to set foot on the Moon.
This animation demonstrates the functioning of the 3 basic types of water tap.
This animations demonstrates the exterior and interior construction of cars, as well as their operation.