LED or Light-emitting diode bulbs are household things these days. These have become the dominant technology for lighting thanks to their energy efficiency and long life values. There’s no doubt that ...

They last much longer, can be dimmed and produce light in a variety of colors. By Arlene Hirst This article is part of our Design special section about making the environment a creative partner in the ...

Yes, LED lights can still emit some UV rays, though our sources don't consider the levels from nail dryers dangerous.

An LED light guide produces distinct customized emission patterns of light from the top and bottom surfaces. This enables lighting fixtures to emit light upward and downward using a single light guide ...

Rick Newman's backyard in east Boca Raton has that Old Florida vibe: A swimming pool is surrounded by live oaks and palms. For years, the trees' lush canopy has kept the area shaded against the sun, ...