Sunday, April 18, 2010

Rainbows


Few more weeks of hell, literally. As doc said, nothing is free. I cant wait until APs are over. I would just like to say to anyone who is reading this blog, please pray for me these next weeks. I need a MIRACLE!!! Its not a joke, please!! Thank you :) Alright, so since Iris is the Greek goddess of the Rainbow, I decided to write about the physics of rainbows.. The fundamental process at work in a rainbow is refraction: the bending of light. Light bends or changes directions when it travels from one medium to another. This happens because light travels at different speeds in different mediums. Drops of rainwater can refract and disperse light in the same basic way as a prism. In the right conditions, this refraction forms rainbows. Rainbows are only images, not tangible, which is why no matter how hard you look or how far you travel, it's impossible to find the pot of gold waiting at the end of it. :(

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