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![An ORNL-developed graphite foam, which could be used in plasma-facing components in fusion reactors, performed well during testing at the Wendlestein 7-X stellarator in Germany.](/sites/default/files/styles/list_page_thumbnail/public/2019-02/W7-XPlasmaExposure_0.jpg?h=d5d04e3b&itok=uKiauhdF)
Scientists have tested a novel heat-shielding graphite foam, originally created at Oak Ridge National Laboratory, at Germany’s Wendelstein 7-X stellarator with promising results for use in plasma-facing components of fusion reactors.
![Plants in the warmest of several study areas at the SPRUCE experimental site remained green and functional up to six weeks longer than plants growing at ambient temperatures. Credit: Oak Ridge National Laboratory, U.S. Dept. of Energy Plants in the warmest of several study areas at the SPRUCE experimental site remained green and functional up to six weeks longer than plants growing at ambient temperatures. Credit: Oak Ridge National Laboratory, U.S. Dept. of Energy](/sites/default/files/styles/list_page_thumbnail/public/SPRUCE_for_Nature.jpg?itok=I3_XAiHF)
A futuristic experiment simulating warmer environmental conditions has shown that peatland vegetation responds to higher temperatures with an earlier and longer growth period.
For the past six years, some 140 scientists from five institutions have traveled to the Arctic Circle and beyond to gather field data as part of the Department of Energy-sponsored NGEE Arctic project. This article gives insight into how scientists gather the measurements that inform t...
![Whistler_waves_ORNL Whistler_waves_ORNL](/sites/default/files/styles/list_page_thumbnail/public/FES-2018-04-b-lrg.jpg?itok=cy5nSrPT)
![Methanotroph_OB3b_cells Methanotroph_OB3b_cells](/sites/default/files/styles/list_page_thumbnail/public/Methanotroph_OB3b_cells_2.jpg?itok=Iml9vTIS)
A team led by the Department of Energy’s Oak Ridge National Laboratory has identified a novel microbial process that can break down toxic methylmercury in the environment, a fundamental scientific discovery that could potentially reduce mercury toxicity levels and sup...
![SPRUCE experiment enclosure SPRUCE experiment enclosure](/sites/default/files/styles/list_page_thumbnail/public/SPRUCE%20experiment%20enclosure.jpg?itok=lYX4L-Fn)
Deep stores of carbon in northern peatlands may remain stable despite rising temperatures, according to a team of researchers from several U.S.-based institutions. And that is good news for now, the researchers said. Florida State University ...
![Natl-Hydropower-Map-2016-phres3_crop.png Natl-Hydropower-Map-2016-phres3_crop.png](/sites/default/files/styles/list_page_thumbnail/public/news/images/Natl-Hydropower-Map-2016-phres3_crop.png?itok=d4SayQyu)
![Fullerenes appear as small silver spheres spread consistently throughout a network of small molecules, or polymers, in this schematic illustration of the morphology of a BHJ film with solvent additives. Credit: ORNL. Fullerenes appear as small silver spheres spread consistently throughout a network of small molecules, or polymers, in this schematic illustration of the morphology of a BHJ film with solvent additives. Credit: ORNL.](/sites/default/files/styles/list_page_thumbnail/public/news/images/BHJsolarcell-image3.jpg?itok=9v0K5Veh)
![Pellet selector Pellet selector](/sites/default/files/styles/list_page_thumbnail/public/news/images/Fusion%20pellet%20art%202.jpg?itok=4KhWRcQt)
When it’s up and running, the ITER fusion reactor will be very big and very hot, with more than 800 cubic meters of hydrogen plasma reaching 170 million degrees centigrade. The systems that fuel and control it, on the other hand, will be small and very cold. Pellets of frozen gas will be shot int...
![Doug Abernathy, left, ARCS instrument scientist at Oak Ridge National Laboratory, and Marc Janoschek, Los Alamos National Laboratory, prepare their sample for experiments at the Spallation Neutron Source. Doug Abernathy, left, ARCS instrument scientist at Oak Ridge National Laboratory, and Marc Janoschek, Los Alamos National Laboratory, prepare their sample for experiments at the Spallation Neutron Source.](/sites/default/files/styles/list_page_thumbnail/public/news/images/Plutonium_arcs.jpg?itok=aH1x1eMm)