People love the rainbow of ROYGBIV colors: red, orange, yellow, green, blue, indigo and violet. Human eyes perceive visible light as this array of colors. You may notice that some colors you can ...

Just like a martini, olive green has earned its status as a classic. Nestled on the color spectrum between yellow and green, it's a decidedly earthy color; it's lived-in, and just the right amount of ...

WASHINGTON -- When Mother Nature decorated the universe, she chose a color slightly greener than a pale, pale turquoise. And like an ordinary human homeowner, she'll redecorate eventually, shifting to ...

Semiconductor lighting technology is developing rapidly. While seeking high luminous efficiency, low cost, and superior reliability, researchers are increasingly focusing on the effects of LED ...