The German engineer Rudolf Diesel patented the diesel engine in 1893.
The steam engine, perfected by the Scottish engineer James Watt, revolutionised technology.
Life magazine picked Gutenberg's invention of mechanical movable type printing as the most important event of the second millennium.
The English engineer George Stephenson’s locomotive was built for a competition of locomotives in 1829.
This animation demonstrates the structure and operation of different types of optical disc drives.
Inventions in the 18th century resulted in huge advances in the development of the textile industry.
DC motors consist of a permanent magnet and a coil within the magnet, with electric current flowing in it.
Computer hard disk drives are devices of magnetic data storage.
This animation demonstrates the structure and operation of digital cameras.
A fuel cell provides environment-friendly electric energy produced by the chemical reaction between oxygen and hydrogen.
This animation demonstrates how a CRT television works.
This animation demonstrates how mobile phones work.
A type of rotary engine of high efficiency
In alkaline batteries electric current is generated by electrochemical reactions
Stirling engines are also known as external combustion engines. Unlike internal combustion engines (e.g. Otto-engine), here combustion takes place outside...
Radial engines are used primarily in aeroplanes and helicopters.
This animation demonstrates the mechanism and operation of record players.
Paper was invented more than two thousand years ago.
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.