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Rough - to minimise reflections from the lighting in the cinema... White - to reflect ALL colours evenly !
Movie screens are white and covered with glass granules in order to maximize light reflectivity, thereby creating as bright and clear a picture as possible.
improvments been made by there is no more black and white screens. and there is no line things in the middle
computer screens are mad out of plasma. It is also made of petrolium. which means plastic.
Carbon
glass
no
the name for these screens is shoji. But, they are not really made from rice. you can learn more at eshoji
metal.
LCD screens are made of a layer of liquified crystal between electrodes, unlike LED screens, LCD screens aren't made of tiny lightbulbs therefore very hard to fix
The soles of shoes made rough for good grip
Thomas A. Edison