Light travels at different speeds based on the medium it passes through. For example, in a vacuum, it travels at 3.0 × 10^8 m/s in a straight line. But when directed towards glass, air, diamond ...

Light can behave in different ways; it can reflect, refract, or be absorbed. >> Bending Water: A lesson about static electricity In this experiment, you can teach your kids about refraction which ...

PITTSBURGH (KDKA) -- Without light, we can't have sight. We see objects because of how light interacts with those objects, our eyes pick up that light, and our brains interpret it.