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When It Comes To Real Estate Bubbles, China's Got Nothing On Brazil

2014-01-19 08:07:27| Real Estate - Topix.net

A vida boa. For years, Brazilians have been dreaming of the "American Dream": home ownership.

Arctic Methane Bubbles Not As Foreboding As Once Feared

2014-01-06 21:57:00| Climate Ark Climate Change & Global Warming Newsfeed

National Public Radio: European scientists were alarmed in 2008 when they discovered streams of methane bubbles erupting from the seafloor in Norway's high Arctic. This gas, which contributes to global warming, was apparently coming from methane ice on the seafloor. A follow-up study finds that methane bubble plumes at this location have probably been forming for a few thousand years, so they are not the result of human-induced climate change. But continued warming of ocean water can trigger more methane releases in the...

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Washington Mills: The Birth of Alumina Bubbles

2014-01-06 06:00:00| Industrial Newsroom - All News for Today

How is an Alumina Bubble Made?<br /> <br /> Hollow insulating spheres made from high purity alumina are often referred to as bubble alumina or alumina bubbles. Fused bubble alumina is made when the raw materials (high purity Bayer process alumina) are heated to an extremely high heat (2000°C) in an electric arc furnace. The molten material is then poured out of the furnace and fed through a high pressure air stream. The stream of molten particles cools rapidly as it hits the air. The surface ...This story is related to the following:Alumina

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