Illusion Did you know that all colors are simply an illusion? Colors don't exist, but we can also experience them, such as gravitation or space radiation. Every color is created in our brain, which converts electromagnetic spectrum into a visible color. We could observe and measure different waves, even invisible for us like ultraviolet or gamma but it's impossible to see how the other person perceives colors. http://9-4fordham.wikispaces.com/file/view/em_spectrum.jpg/244287321/em_spectrum.jpg My red is not the same as yours red For example, I'll present three colors, red, blue and yellow. From my point of view they look something like this: When, for you they may look like this: The problem is that we all learned how to name them, but we never wondered if does we see the same color. Thinking about it we could get little crazy, couldn't we? I'll give you another sample, a test for color-blin