Light does a lot of work in the modern world, enabling all types of information technology, from TVs to satellites to fiber-optic cables that carry the internet across oceans. Stanford physicists ...

They distribute data and can separate cells from one other. But can they adequately light a room? Photos: Fiber optics lighting the way Michael Kanellos is editor at large at CNET News.com, where he ...

Light powers everything from communications to sensing, yet even tiny imperfections can scatter it and weaken signals. To ...