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![Oak Ridge National Laboratory Oak Ridge National Laboratory](/sites/default/files/styles/list_page_thumbnail/public/Officiallogo_2.png?itok=HRcJsyxc)
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![ORNL Image](/sites/default/files/styles/list_page_thumbnail/public/2015-P01929_article.jpg?itok=zGsgfBWv)
From the bluebird painting propped against her office wall and the deer she mentions seeing outside her office window, Linda Lewis might be mistaken for a wildlife biologist at first glance. But rather than trailing animal tracks, Lewis, a researcher at the Department of Energy’s Oak Ridge National Laboratory, is more interested in marks left behind by humans.
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With more than 30 patents, James Klett is no stranger to success, but perhaps the Oak Ridge National Laboratory researcher’s most noteworthy achievement didn’t start out so hot – or so it seemed at the time.
![ORNL Image](/sites/default/files/styles/list_page_thumbnail/public/legacy_files/Image%20Library/Main%20Nav/ORNL/News/Features/2015/2015-P00294_article.jpg?itok=vKiSFjw2)
Andrew Stack, a geochemist at the Department of Energy’s Oak Ridge National Laboratory, advances understanding of the dynamics of minerals underground.
![Default image of ORNL entry sign](/sites/default/files/styles/list_page_thumbnail/public/2023-09/default-thumbnail.jpg?h=553c93cc&itok=N_Kd1DVR)
Graphene, a strong, lightweight carbon honeycombed structure that’s only one atom thick, holds great promise for energy research and development. Recently scientists with the Fluid Interface Reactions, Structures, and Transport (FIRST) Energy Frontier Research Center (EFRC), led by the US Department of Energy’s Oak Ridge National Laboratory, revealed graphene can serve as a proton-selective permeable membrane, providing a new basis for streamlined and more efficient energy technologies such as improved fuel cells.
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