ne of the strangest things about light. Here's one obvious riddle: if we see things because sunlight is reflected off them, how come everything isn't the same color? Why isn't everything the color of sunlight? You probably know the answer to this already. Sunlight isn't light of just one color—it's what we call white light, made up of all the different colors mixed together. We know this because we can see rainbows, those colorful semicircles that appear in the sky when droplets of water split sunlight into its component colors by