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How a Prism Works to Make Rainbow Colors

How prisms work to create a rainbow of colors, the science behind it, using sunlight for the explanation. This includes an explanation of how the electromagnetic waves make up the colors and how the refraction works on entering and leaving the prism glass to separate the visible light into the different colors of the electromagnetic spectrum to produce the rainbow of colors. This video has correct English captions. Click on the CC button at the bottom of the video to see them. To see how a fresnel lens works using the same refraction watch "Fresnel lens - what is it, testing focal length, solar heat generated":    • Fresnel lens - what is it, testing fo...   For "How Fast is an Electron and Electricity":    • How Fast is an Electron and Electricity   For how to make a "Portable Crystal Radio using Loop Antenna and Pizza Box":    • Portable Crystal Radio using Loop Ant...   To follow me on Twitter: https://twitter.com/#!/RimStarz http://rimstar.org A Darker Heart - music by audionautix.com