The glow of a candle. The warm rays of the rising sun. The illumination of a lamp. All bring comfort and warmth to our lives. But there is much more to light than meets the eye. It is more than simply the product of a light bulb. Light allows us to communicate, entertain, explore and understand our world. Light is more than the product of a light bulb. It is a key factor in the creation of a successful image. It takes on many forms, some of which are largely invisible without modern technology.