Storage media using colors
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The idea is to create a optical storage device like CD using colors. The CD's used now are using laser to read the bits. If light is reflected back it is sensed as one otherwise zero. My idea is, instead of reflecting a plain light we can reflect a colored light and sense it. If we can represent 8 (2^3) colors at that point and sense it then we can store thrice the amount of a normal CD. And this storage capacity is directly proportional to the amount of color we reresent at a single point. I dont know how to store a color at a single point and sense it back. If anybody can do it, then u can make use of it.