This animation demonstrates the structure and operation of different types of optical disc drives.
An LCD screen uses the light modulating properties of liquid crystals.
An air conditioner cools the air inside by drawing heat away and releasing it outside.
This animation demonstrates the structure and operation of CT scanners.
In loudspeakers sound waves are generated by electromagnetic induction.
This animation shows optical and radiotelescopes used in astronomical observation
Computer hard disk drives are devices of magnetic data storage.
The capacity of data storage devices have increased at an incredible rate during the past decades.