Solar Panel Selection 2009-4-10 1:27:45
The 4 parts of solar power system 2009-1-24 1:27:05
The best batteries for solar power 2009-3-26 1:22:45
Quality issue of Chinese products 2007-1-10 17:12:26
I do agree there are some quality problem with Chinese products,but I think it is not only the Chinese who created such problems,but also the mooching importers.
TRADING WITH AFRICA 2007-5-23 5:04:38
Africa has it's problems, but which country/continent does not have any problems?
CFLs: a dim idea? 2007-5-6 6:33:30
More and more Canadians are replacing regular incandescent light bulbs with more energy-efficient products, such as compact fluorescent lamps (CFLs). But while CFLs are being promoted because they are energy-efficient, their use has also raised health concerns.
LED Light Bulbs to Replace CFL or Standard? Not There Yet. 2007-4-15 13:52:19
There’s some progress, but we’re still not quite there. Home Depot is selling a Philips LED light bulb: same brightness as a 60W incandescent bulb (in other words, dim), same shape as standard A19 bulb, same color temperature and color rendering index, and dimmable, uses 12W, and lasts for 25,000 hours — Cost: $40.
Lighting Choices to Save You Money 2007-3-15 13:51:57
Light your home using the same amount of light for less money. Upgrading 15 of the inefficient incandescent light bulbs in your home could save you about $50 per year. New lighting standards take effect in 2012, and money-saving options such as halogen incandescent, CFL, and LED light bulbs are available today.
What is RGB LED 2006-10-10 15:23:38
There is the white light and there are the red, green, blue ones (or RGB). In the example we're using, of television, white lights are typically used for edge-lit TV screens (white light diodes are placed around the screen's perimeter). With RGB LEDs, though, they are typically behind the LCD panel, providing a uniform color range behind the screen.
What is SMD LED? 2006-10-10 15:26:28
SMD LED stands for surface mount LED. Specifically, it's a light-emitting diode that is mounted onto and soldered onto a circuit board. An SMD LED is quite small since it has no leads or surrounding packaging that comes with a standard LED...
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