This is one area of the visual arts that is really in focus today. More advances have been made in this medium than any other of the visual arts due to the explosion of digital technology.
Consider the development of photography in the 19th C. It was more of a mystery as to how an image can develop in a dark area. Light is one of the major components of photography as we need light to see and light is important in the process of developing the film.
What is the role of light today in the digital photography world? Give an example as you compare light and photography of the 19th C and that of today.