The desalination process produces drinking water from seawater.
This animation demonstrates how the Earth and the Moon were formed.
This animation presents the formulas to calculate the perimeter and area of shapes as well as the surface area and volume of solids.
The church of the 'Holy Wisdom', built in the Byzantine Empire, had been one of the largest religious buildings until 1935, when it was converted into a museum.
The Voyager space probes were the first man-made objects to leave the Solar System. They gather data about outer space and carry information about humanity.
The animation offers a summary of the history of aviation from the Middle Ages.
Visit the workshop of the Renaissance polymath and his most influential inventions and works of art.
The name of this magnificent palace complex originates in Arabic and means 'the red one'.
Khi một chất lỏng bay hơi và sôi thì điều gì diễn ra? Nhiệt độ sôi của một chất lỏng phụ thuộc vào điều gì?
The Forbidden City is one of the most magnificent and mysterious monuments of imperial China.
The Moon is the Earth's only natural satellite
One of the most important components of the microwave oven is the magnetron, which produces the microwaves.
A traditional Chinese siheyuan is a building complex that surrounds a rectangular courtyard.
Các nguồn chính gây ô nhiễm nước là các vùng công nghiệp, nông nghiệp và đô thị.
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.
The range of applications of unmanned aerial vehicles ('drones') keeps growing.
This 3D scene presents the steps of the cement manufacturing process.
By positron emission tomography (PET), we can obtain visual information on our internal organs without making any surgical incisions.
The development of mosses, ferns, gymnosperms and angiosperms is characterised by the alternation of generations.