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.
In loudspeakers sound waves are generated by electromagnetic induction.
This animation shows optical and radiotelescopes used in astronomical observation
Combine harvesters are machines that harvest and thresh grain crops.
A differential allows the driven wheels of a car to rotate at different speeds when the...
This animation demonstrates the structure and most important peripherals of desktop...
A wide variety of optical instruments are in use today, ranging from microscopes to...
A liquid-crystal display utilises the light modulating properties of liquid crystals.
This animation explains how a plasma display television works.