You're reading this to learn a little about light. Well, you're going to learn a lot. Right now scientists are still trying to figure out the connection betIen light and matter. Scientists began studying light a long time ago. A big breakthrough happened when Newton started to break light up with prisms in the late 1600s. Only recently have scientists begun to understand how light works and its connection to everything in the Universe. How "…showed first 75 words of 1611 total…

…showed last 75 words of 1611 total…percent of all humans. It is much more common in men than in women. To test for colour blindness a special picture called an Ishihara test is used. If you jump to our colour test page you will be able to test yourself and also experience another interesting phenomenon of our colour vision. Thanks for reading this essay. It's long, but hopefully you will go away feeling like you know more about light and color.