The best batteries for solar power 2009-03-26 01:22:45
Quality issue of Chinese products 2007-01-10 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 2007-05-23 05:04:38
Africa has it's problems, but which country/continent does not have any problems?
CFLs: a dim idea? 2007-05-06 06:33:30
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. 2007-04-15 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 2007-03-15 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...
What is MCD LED? 2006-10-09 15:35:32
MCD Electronics Inc. is an electronics company created in 1993 that specializes in optical and visual technology. The company's original guiding philosophy was that all machines and devices needed a way of talking with the user and with other machines. From the beginning, MCD provided visible as well as infrared LEDs which can indicate the condition or status of a system...
What is LED Lighting? 2006-10-09 16:43:56
Each of these diodes is around a quarter inch in diameter. The diode uses 10 milliamps, operating at a tenth of a watt. Although LEDs are small, they can be gathered together to provide enough light for high-intensity applications. LED fixtures only work with a driver, somewhat akin to a ballast inside a fluorescent fixture. The driver is usually built within the fixture, or else, it's a plug transformer for plug-in portable fixtures. Plug-in transformers let the fixture run on regular 120 volt AC current, with just a 15 to 20 % power loss...
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