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LED Lamps That Glow With Warm White Light

by Justin Phelps •

LED Lamps With Warm White Illumination: Koncept Z-Bar ($165) and i-Tower ($195) Pablo Designs LIM L Floor ($350) Cree XLamp XR-E Warm White LED Lantern ($25) The color temperature of light is measured in degrees Kelvin. Lower-temperature white LEDs (around 2,000-4,000 K) are warm (yellowish white) like incandescent bulbs. White LEDs with higher color temperatures (above 5,000 K) are cool …

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3 Reasons Light Rail is an Efficient Transportation Option for U.S. Cities

by Tracy McGill •

Light rail is a type of electric railway that runs on right-of-way railroad tracks or on tracks in city streets. Using their own lanes and able to go anywhere, light rail cars mix well in urban settings by not getting caught up in traffic congestion. Though the United States operates the largest and most efficient freight railway system in the …

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Home Remedies for Bad Breath

by Kristy Harvey •

Has your best friend been offering you breath mints more than usual? Co-worker pushing gum on you? They might not just be trying to share. Between 46 million and 75 million Americans are plagued by chronic bad breath, and, the worst part? Some of them don’t even know it! If you’ve noticed a bad taste that won’t seem to go …

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The Best Computer Under $500

by Patrick •

Here is some helpful information to find the best computer under $500. The average price of a personal computer is somewhere in the neighborhood of $1300, according to CNET.com. That’s a rather hefty chunk of change, especially if you’re a recent high school or college graduate and don’t have a sizable bank account (who does in this economy?). Even spending …

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AeroGarden: Easy, Efficient Indoor Gardening

by Justin Thomas •

In 2004, MetaEfficient.com pre-reviewed the AeroGrow aeroponics growing system. That was before the system was released. A couple of years ago, you couldn’t cut on your TV without seeing an ad for AeroGrow indoor gardening systems. It isn’t as ubiquitously advertised now, but it hasn’t disappeared from the market. In fact, five years after its initial release, there are several …

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2010 Review Of Tankless Water Heaters

by Justin Thomas •

Tankless water heaters have been used in Europe and Asia for 50 years, and they are gaining popularity in the US. Right now they represent about 8% of new sales in the US. Tankless heaters, also called on-demand, flash or instant water heaters, qualify for a $300 federal tax credit. How efficient are tankless water heaters?

A Green Spaceport?

by Justin Thomas •

  Discover reports that, starting in 2009, tourists with deep pockets will be able to enjoy something fewer than 500 people have been lucky enough to experience—spaceflight. For $200,000, if all goes well, they can orbit for two and a half hours in Virgin Galactic’s SpaceShipTwo. But the port for landing and takeoff—Spaceport America in New Mexico—will also be sensitive …

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Solar Water Heating: Book Review

by Justin Thomas •

Solar Water Heating is the first book I’ve seen that focuses solely on solar water heating. It’s a technique that’s been practiced since ancient times, but until now there’s been strangely few resources on the topic for a North American audience. The author, Bob Ramlow, examines state-of-the-art solar heating systems. He covers not only solar water heaters, but also solar …

Efficient Native Flour: Mesquite

by Justin Thomas •

Not many people know that the pods from the mesquite tree can be ground into a flour. It’s a traditional Native American food — the flour has a distinct warm and spicy flavor. The mesquite tree grows in the desert regions throughout the world, and it can be found from central Texas to southeastern California and Utah.

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Color Grown Cotton: Fox Fibre

by Justin Thomas •

Some cotton is naturally colored — it grows that way and does not need to be dyed. “Color grown” cotton has its roots in the ancient Americas. Weavers cultivated native white, tan, green, yellow, red, and brown colored cottons for thousands of years. However, the fiber qualities of the cotton was not suited to modern textile machines. Thus, today, most …