The first commercially successful technique of photography was invented by the French Louis Daguerre.
This animation demonstrates the design and operation of a traditional cinema projector.
A liquid-crystal display utilises the light modulating properties of liquid crystals.
The vacuum cleaner creates a partial vacuum and sucks up dust with the help of the...
Tower cranes are machines used for lifting loads weighing up to several tonnes.
This animation demonstrates the structure and operation of digital cameras.
This animation demonstrates the structure of water towers.
A differential allows the driven wheels of a car to rotate at different speeds when the...
This animation demonstrates how a turbojet engine works.