Ford Model T

The popular model of the American automobile factory was the first mass-produced car in...

Electron configuration of calcium

This animation shows the electron configuration of the calcium atom.

Macedonian siege tower (4th century BC)

The army of Alexander the Great successfully deployed siege towers in its attacks against...

Structure of nitrogen molecules

This animation demonstrates the structure of nitrogen molecules, with one sigma and two...

How does it work? - Water tap

This animation demonstrates the functioning of the 3 basic types of water tap.

Смяна на сезоните (средно ниво)

Поради наклона на земната ос слънчевите лъчи падат под различен ъгъл през годината.

How does it work? - Electron microscope

This animation demonstrates the structure and operation of electron microscopes.

Legendary buildings

A selection of legendary buildings from the history of civilisation.

Formula 1 racing car

Formula 1 is the highest class and most popular type of motor racing.

Wright Flyer I (1903)

The Wright Flyer was the first successful powered, heavier-than-air aircraft, designed...

Body parts

This animation introduces body parts on a male anatomical model.

Viking stave church (Borgund, 13th century)

A wooden church built in the 12th-13th centuries, the best preserved of Norway´s stave...

Шахматни задачи

Шахматните задачи спомагат за развиването на логично мислене.

Concorde (1969)

The first supersonic passenger airliner entered service in 1976.

Container ships

Commercial maritime routes of container ships form a global network.

Covalent bonds in benzene molecules

In benzene there are sigma bonds and delocalised pi bonds between carbon atoms.

Aluminium smelting

Aluminium smelting is the process of extracting aluminium from alumina by electrolysis.

Ancient Egyptian deities

Ancient Egyptians worshipped a large number of gods and goddesses.

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