Don't let poor lighting ruin an otherwise great photo. A portable LED fill light can add the extra dash of illumination you need, and if you don't want to pony up for a new one, you can make your own.

For several years manufacturers have been introducing LED bulbs onto the market with the eventual goal of replacing incandescent and CFL lamps. The design of these lamps has evolved from very simple ...

This article was taken from the July 2014 issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on ...