Venice in the Middle Ages

Medieval Venice owed its wealth to its flourishing maritime trade.

Medieval smithy

The work of smiths – one of the first professions in history – became even more important in the Middle Ages.


A geisha is a traditional Japanese entertainer whose skills include performing classical music and dance.

Interesting geography facts – Social geography

This animation presents some interesting facts in social geography.

Types of stars

This animation demonstrates the process of star development for average and massive stars.

Bones of the lower limbs

Bones of the lower limbs are connected to the trunk by the pelvis.

Meteorological instruments

This animation demonstrates instruments used to examine atmospheric phenomena.

Satellite types

Satellites orbiting the Earth can be used for civilian or military purposes.

Soldiers of the American Civil War

The American Civil War was fought between the Confederacy and the Union.

The Doppler effect

It is a well-known phenomenon that the sound of an approaching sound source is higher than that of a receding one.

V-1 flying bomb

The V-1 flying bomb was an early pulse-jet-powered cruise missile developed in Nazi Germany and deployed in WWII.

Electric car

The Tesla Model S is one of the first commercially available electric cars.

Electricity supply network

The purpose of the electricity supply network is to provide electricity for consumers.

Phonograph and gramophone

Edison´s invention records and plays sound from a cylinder, while Berliner´s apparatus uses a disc.

Space Shuttle

The Space Shuttle was a manned, reusable spacecraft operated by NASA.

Solar power station

Solar power stations convert solar energy into electricity.

Những ngày đầu đến trường

Tìm hiểu khái niệm về màu sắc, con số, chữ cái và hình học qua các trò chơi

Habsburg imperial couple (19th century)

Emperor Franz Joseph I and the beautiful Elisabeth got married in Vienna in 1854, but their marriage was unfortunately an unhappy one.

Sạm da, ung thư da

Lớp trên cùng của da chúng ta là lớp biểu bì có chứa các tế bào hắc tố.

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