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10 Overlooked Low-Tech Ways of Keeping Your Home CoolSummer is here and the air is full of the the sound of whining air conditioners, all seriously sucking kilowatts. Yet much of that air conditioning load could be reduced or the air conditioning season shortened if we did simple things, many of them common before air conditioning was common in ...
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Laser process doubles brightness of light bulbs for the same amount of energyCaption: Chunlei Guo stands in front of his femtosecond laser, which can double the efficiency of a regular incandescent light bulb. (Image: University of Rochester) May 29, 2009 ( Nanowerk News) — An ultra-powerful laser can turn regular incandescent light bulbs into power-sippers, say optics ...
Phil Duby
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Ink cartridge firm touts value of recycling - San Jose Mercury NewsIt takes a gallon of oil to create a toner cartridge, according to studies by environmental organizations, including the Environmental Protection Agency. Those studies reveal another alarming reality: Every second, another eight "empties" in the United States are tossed out. In North America, ...
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18 months ago
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