News tagged with clay

Clays can expand under pressure

It was always believed that water is "squeezed" out of the clay structure under pressure but physicists at Umea University in Sweden together with German colleagues show that this appear to be not always ...

dateMar 27, 2013 in Materials Science
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Can we accurately model fluid flow in shale?

(Phys.org)—Given that over 20 trillion cubic meters of natural gas, a third of the United States' total reserves, are thought to be trapped in shale, and given the rush to exploit shale oil and gas resources ...

dateJan 04, 2013 in General Physics
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Award-winning A/C uses old idea, new materials

If thirst is crucial to knowledge, then one crucial step in the evolution of air conditioning was born in the 1970s, when Ron Judkoff was a hot, thirsty Peace Corp volunteer in Kedougou, Senegal, one of the warmest places ...

dateDec 18, 2012 in Engineering
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DNA sleuth hunts wine roots in Anatolia

There are easier places to make wine than the spectacular, desolate landscapes of southeast Turkey, but DNA analysis suggests it is here that Stone Age farmers first domesticated the wine grape.

dateNov 27, 2012 in Other
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