Lasers, LEDs and light sources are devices that create light. LEDs (light emitting diodes) convert an electrical current into light using spontaneous emission in optically active semiconductors.

Lots of different sources produce light. Earth's main source of natural light is the Sun. At night, moonlight is created by the moon reflecting the Sun's light. This allows us to see at night ...

Natural light, derived from the sun, infuses spaces with invigorating 'chi,' while strategically placed artificial light sources, like lamps and candles, maintain balance when sunlight is absent.

Dark wood cabinets and dark finishes can make a room feel, well, dark, regardless of your natural light sources. Updating ...