How does it work? - LCD screens
A liquid-crystal display utilises the light modulating properties of liquid crystals.
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This animation demonstrates how a CRT television works.
This animation explains how a plasma display television works.
Television, invented in the early 20th century, became one of the basic forms of entertainment.
This animation explains transparency and opacity, the principle of radiography, and the light-absorbing properties of materials.
Cinemas were built in large numbers in big cities of the US in the 1910s.
The inability to differentiate certain shades of colour is called colour vision deficiency.
This animation demonstrates the structure and most important peripherals of desktop computers.
This animation shows the characteristics of domestic light sources, from traditional light bulbs to LED lights.
The American electrical engineer Edison invented the incandescent light bulb in 1879, which changed our everyday life.
Trolleybuses and trams are environment-friendly means of public transport
This animation demonstrates how electric steam irons work.
This animation demonstrates how microwave ovens work.
This animation demonstrates how mobile phones work.
This animation demonstrates the structure and operation of different types of optical disc drives.
This animation demonstrates how a washing machine works.
This animation demonstrates how a refrigerator works.
This physicist-inventor and electrical engineer who mainly dealt with electrotechnics was undoubtedly one of the most brilliant figures of the second...
In a passive house a comfortable inner temperature can be ensured without the use of traditional heating and cooling systems.
A ray of light is reflected or refracted at the boundary of two mediums with different refractive indices.
The first commercially successful technique of photography was invented by the French Louis Daguerre.
This animation demonstrates the structure and operation of digital cameras.
The animation demonstrates how laser printers work
The device that transmits human voice as electrical signals was invented by Bell in 1876.