Add Yahoo as a preferred source to see more of our stories on Google. Adam Sherwinski teaches ciLiving host, Jaclyn Friedlander about light refraction. Watch how light bends when it passes through ...

Have you ever put a straw in a glass of water and noticed that, while viewing it through the side of the glass, the straw looks like it's bent or broken? If you pull the straw out of the water, though ...