Duke University

Coal ash ponds found to leak toxic materials

A Duke University study of coal ash ponds near 21 power plants in five Southeastern U.S. states has found evidence that nearby surface waters and groundwater are consistently and lastingly contaminated by the unlined ponds.

dateJun 10, 2016 in Environment
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Next generation cloaking device demonstrated

A device that can bestow invisibility to an object by "cloaking" it from visual light is closer to reality. After being the first to demonstrate the feasibility of such a device by constructing a prototype in 2006, a team ...

dateJan 15, 2009 in General Physics
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