Diesel engine

The German engineer Rudolf Diesel patented the diesel engine in 1893.

Watt´s steam engine (18th century)

The steam engine, perfected by the Scottish engineer James Watt, revolutionised technology.

Gutenberg's press (Mainz, 15th century)

Life magazine picked Gutenberg's invention of mechanical movable type printing as the most important event of the second millennium.

Stephenson’s Rocket (1829)

The English engineer George Stephenson’s locomotive was built for a competition of locomotives in 1829.

How does it work? - Optical disc drives

This animation demonstrates the structure and operation of different types of optical disc drives.

Inventions in the textile industry, 18th century

Inventions in the 18th century resulted in huge advances in the development of the textile industry.

DC motor

DC motors consist of a permanent magnet and a coil within the magnet, with electric current flowing in it.

Hard disk drive

Computer hard disk drives are devices of magnetic data storage.

How does it work? - Digital camera

This animation demonstrates the structure and operation of digital cameras.

Fuel cell

A fuel cell provides environment-friendly electric energy produced by the chemical reaction between oxygen and hydrogen.

How does it work? - CRT television

This animation demonstrates how a CRT television works.

How does it work? - Mobile phone

This animation demonstrates how mobile phones work.

Wankel engine

A type of rotary engine of high efficiency

Alkaline batteries

In alkaline batteries electric current is generated by electrochemical reactions

Stirling engine - hot-air engine

Stirling engines are also known as external combustion engines. Unlike internal combustion engines (e.g. Otto-engine), here combustion takes place outside...

Radial engine

Radial engines are used primarily in aeroplanes and helicopters.

How does it work? - Record player

This animation demonstrates the mechanism and operation of record players.


Paper was invented more than two thousand years ago.

How does it work? - Vacuum cleaner

The vacuum cleaner creates a partial vacuum and sucks up dust with the help of the incoming high-pressure air.


A transformer is a device used for converting the voltage of electric current.

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