View a computer animation movie. This is a site for holography in general and not does not display holographs on current computer screens. Raytracing Learn the definition and examine some still and dynamic images to see what it can do. The importance of virtual reality will increase with the increase of the bandwidth in the communication system. There are thousands of sites devoted to art, graphics and pictures.
Color is represented by adding red, blue, and green light.
Current TV is a low resolution device with about 300 columns and 200 lines. Note that when text is presented on a TV screen you almost never see more than 20 characters in a line. If they tried to present 80 characters, all you would see is a blur. TV looks realistic because it is an analog device which displays millions of colors. To digitize a TV picture the signal is sampled at twice the frequency humans can discriminate, which is about 5 million cycles per second, and the colors represented by a 24 bit word.