Light & Color

Lighten up. It's the ""Light and Color"" episode.   Without light, we wouldn't be able to see. It would be like living in a room with no windows, doors, or   lamps. There's an old saying, ""We don't see things; we see light bouncing off of things."" We see things,   and colors, when light bounces off things and into our eyes. White light, like the light from the Sun, is   made up of all the different colors of light blended together. When white light hits something white, almost   all of the light bounces into our eyes, and we see the color white.   Things are different colors because some light bounces off and other light gets absorbed.   An orange is orange because it absorbs all different colors of light except orange light.   Grass is green because it absorbs all different colors of light except green light.   Bill Nye's lab coat is blue because it absorbs all different colors of light except blue light. All colors,   including black, are made in the same way. It's just a matter of ref