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 ...

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 ...

In a recent episode of MacGyver, an improvised ultraviolet light was created from an LED. How would this work and what is a blacklight?