Comments on: Next Generation of High Efficiency LED Lights Can Mimic Sunlight

By: Bob_Wallace

Bob_Wallace — Sat, 19 Jan 2013 19:56:00 +0000

The yellow surface of some LED lamps is a filter. It blocks blue wavelengths. This makes LEDs less efficient because some of the generated light never makes it to the user level.

By: Bob_Wallace

Bob_Wallace — Sat, 19 Jan 2013 17:13:00 +0000

Actually there is no recent plunge in stock price for Molycorp. Their price took a quick run up about two years ago, peaked, and has fallen back to about where it was in late 2009.

By: Brad Combs

Brad Combs — Sat, 19 Jan 2013 15:46:00 +0000

Molycorp (NYSE: MCP) is an american rare earth mining and processing company. They do produce eruopium. Right now their stock can be had at a huge bargain due to CEO changeover.

By: pk47tech

pk47tech — Fri, 18 Jan 2013 19:46:00 +0000

“the yellow cancels out the blue and the result is a warm, natural-looking white light” No, the yellow doesn’t cancel the blue. Some of the blue is converted to yellow. The yellow and blue add together to create what looks like white light to the human eye (the mix of the two, when done correctly, falls on the black body curve of white light).