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 ...

Schematic diagram and microscopic observation of an optical fiber doped with rare-earth atoms. The fluorescence from the entire optical fiber can be seen. (b) Schematic diagram and microscopic ...

Scientists have turned a long-standing sci‑fi idea into working hardware, using pure light to move data wirelessly through the air instead of relying on radio waves or copper traces. The result is a ...