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A type of steam locomotives used by British Railways were manufactured in the 1950s.
This animations demonstrates the exterior and interior construction of cars, as well as their operation.
This animation demonstrates the structure and operation of hair dryers.
Combining a conventional internal combustion engine propulsion system with an electric propulsion system reduces emission.
Life magazine picked Gutenberg's invention of mechanical movable type printing as the most important event of the second millennium.
The German engineer Rudolf Diesel patented the diesel engine in 1893.
Mechanical bell that functions by means of an electromagnet.
The device that transmits human voice as electrical signals was invented by Bell in 1876.
The American inventor presented his invention revolutionising telecommunication at New York University in 1837.
This animation demonstrates the structure and operation of digital cameras.
This animation demonstrates the structure and operation of different types of optical disc drives.
Computer hard disk drives are devices of magnetic data storage.
DC motors consist of a permanent magnet and a coil within the magnet, with electric current flowing in it.
Inventions in the 18th century resulted in huge advances in the development of the textile industry.
In alkaline batteries electric current is generated by electrochemical reactions
One of the most important components of the microwave oven is the magnetron, which produces the microwaves.
This animation demonstrates how an escalator works.
This animation demonstrates how a CRT television works.
Stirling engines are also known as external combustion engines. Unlike internal combustion engines (e.g. Otto-engine), here combustion takes place outside...
A differential allows the driven wheels of a car to rotate at different speeds when the car is turning.