Computing lighting that looks real remains complex and inefficient, as the necessary consideration of all possible paths light can take remains too costly to be performed for every pixel in real-time.

Light-based computers are expected to come around in ten years, but the technical challenges and engineering problems that they pose will have to be solved before it becomes a reality. However, it ...

Question: My kids are older now, and I installed a computer in their playroom. I have a ceiling light, but I would like to add a recessed light. What is the best type to use, and how do I install it?

An optical, in-computer breakthrough being explored by researchers at University of North Carolina at Chapel Hill will let computers run cooler and faster. Light-carrying, miniature wires are ...