Weatherproof Outdoor Speakers: Polk Audio Atrium Self-Powered Loudspeakers

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The Polk Atrium loudspeakers are rugged, weather-resistant, self-powered and portable. Many outdoor speakers are suitable only for sheltered locations. The Atrium speakers meet industry & military specs for full exposure to the elements. The speakers are constructed of stainless steel and brass components to resist rust and corrosion. The cabinets are completely sealed to enhance […]

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Book Review: Portable Houses

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When some people vacation, they take their homes with them. Those are the people Irene Rawlings and Mary Abel write about in Portable Houses, a book devoted to all sorts of movable shelters and the people who created or renovated them. The examples featured in the book range in elaborateness from a canvas miner’s tent […]

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An Efficient Portable Amplifier: The Boostaroo

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The Boostaroo is a pocket-size portable amplifier for your earphones. It amplifies the sound coming out of your iPod or MP3 player by 100%. I’ve tested this device, and it certainly does amplify quite well, and two AA batteries it uses last for weeks. It also functions as a splitter and allows you to share […]

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Teflon: Strong Indications That It’s Toxic

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Teflon contains a toxic chemical called C8 or PFOA which has been linked to cancer and birth defects in animals. Its effects have never been formally tested on humans. The chemical, perfluorooctanoic acid, is a soaplike material. It is used to make many widely used products, such as non-stick cookware, fast food containers, clothing, Gortex […]

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More Efficient Ceramics by Heath

Ceramics are a renewable material, and are generally an eco-effective choice over materials such as plastics. Treehugger points out that HeathCeramics use only half the energy to create their ceramics because they only fire them once and use matt glazes, which do not contain the questionable materials in some glazes. Home Page: Heath Ceramics Available […]

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