As an avid adventure racer, I’m always on the lookout for gear that can keep up with my demanding pursuits. When I first got ...

“Lumen: The Art and Science of Light,” at the Getty Center, is a visually magnificent (and I use the word judiciously) show.

He has no trouble lighting his path with this 1300 Lumen bike light he built. The light source is a 3-up star by Cree. It puts off a lot of light, but also generates quite a bit of heat which is ...

A measurement of light that has been standardized by ANSI. It is commonly used to rate the brightness of a data projector. An ANSI lumen rating uses an average of several measurements taken across ...