Combining standard 25-mm Edison bases and a light optimizing design, the R20 LED reflector lamps are said to produce vivid light. Serving as direct incandescent replacement bulbs, the new lamps come ...
Take an LED that produces intense, blue light. Coat it with a thin layer of special microscopic beads called quantum dots. And you have what could become the successor to the venerable light bulb. The ...
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 ...
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