Four-stroke Otto engine

This animation demonstrates the type of engine most commonly used in cars.

How does it work? - Loudspeaker

In loudspeakers sound waves are generated by electromagnetic induction.

How does it work? - Electron microscope

This animation demonstrates the structure and operation of electron microscopes.

BR Standard Class 3 2-6-2T steam locomotive

A type of steam locomotives used by British Railways were manufactured in the 1950s.

Construction of cars

This animations demonstrates the exterior and interior construction of cars, as well as...

How does it work? - Computer tomography scanner

This animation demonstrates the structure and operation of CT scanners.


The first commercially successful technique of photography was invented by the French...

Environmentally friendly vehicles

Combining a conventional internal combustion engine propulsion system with an electric...

Electric bell

Mechanical bell that functions by means of an electromagnet.

Formula 1 racing car

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

Stephenson’s Rocket (1829)

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

How does it work? - Gearbox

In transmission systems, the engine torque is modified by reducing or increasing...

Watt´s steam engine (18th century)

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

Domestic electric light sources

This animation shows the characteristics of domestic light sources, from traditional...

How does it work? - Hair dryer

This animation demonstrates the structure and operation of hair dryers.

Telegraph (Samuel F. B. Morse)

The American inventor presented his invention revolutionising telecommunication at New...

Telephone (Alexander Graham Bell)

The device that transmits human voice as electrical signals was invented by Bell in 1876.

Generators and electric motors

While generators convert mechanical energy into electrical energy, electric motors...

Diesel engine

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

Gutenberg's press (Mainz, 15th century)

Life magazine picked Gutenberg's invention of mechanical movable type printing as the...

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