![New research about the transfer of heat—fundamental to all materials—suggests that in thermal insulators, heat is conveyed by atomic vibrations and by random hopping of energy from atom to atom. New research about the transfer of heat—fundamental to all materials—suggests that in thermal insulators, heat is conveyed by atomic vibrations and by random hopping of energy from atom to atom.](/sites/default/files/styles/list_page_thumbnail/public/news/images/ORNL_thermal_conductivity.png?itok=-VxM_2RH)
![Oak Ridge National Laboratory’s Summit supercomputer was named No. 1 on the TOP500 List, a semiannual ranking of the world’s fastest computing systems. Credit: Carlos Jones/Oak Ridge National Laboratory, U.S. Dept. of Energy.Oak Ridge National Laboratory’ Oak Ridge National Laboratory’s Summit supercomputer was named No. 1 on the TOP500 List, a semiannual ranking of the world’s fastest computing systems. Credit: Carlos Jones/Oak Ridge National Laboratory, U.S. Dept. of Energy.](/sites/default/files/styles/list_page_thumbnail/public/2018-P03971.jpg?itok=BNeaoWKB)
The US Department of Energy’s Oak Ridge National Laboratory is once again officially home to the fastest supercomputer in the world, according to the TOP500 List, a semiannual ranking of the world’s fastest computing systems.
![Stealth Mark image 2.jpg Stealth Mark image 2.jpg](/sites/default/files/styles/list_page_thumbnail/public/Stealth%20Mark%20image%202.jpg?itok=SFrJ87fb)
StealthCo, Inc., an Oak Ridge, Tenn.-based firm doing business as Stealth Mark, has exclusively licensed an invisible micro-taggant from the Department of Energy’s Oak Ridge National Laboratory. The anticounterfeiting technology features a novel materials coding system that uses an infrared marker for identification.
![Default image of ORNL entry sign](/sites/default/files/styles/list_page_thumbnail/public/2023-09/default-thumbnail.jpg?h=553c93cc&itok=N_Kd1DVR)
In an effort to reduce errors in the analyses of diagnostic images by health professionals, a team of researchers from the Department of Energy’s Oak Ridge National Laboratory has improved understanding of the cognitive processes
![EPSP_gene_study2_ORNL.jpg EPSP_gene_study2_ORNL.jpg](/sites/default/files/styles/list_page_thumbnail/public/EPSP_gene_study2_ORNL.jpg?itok=3uwX_49J)
For decades, biologists have believed a key enzyme in plants had one function—produce amino acids, which are vital to plant survival and also essential to human diets. But for Wellington Muchero, Meng Xie and their colleagues, this enzyme does more than advertised. They had run a series of experiments on poplar plants that consistently revealed mutations in a structure of the life-sustaining enzyme that was not previously known to exist.
![ORNL’s Tolga Aytug uses thermal processing and etching capabilities to produce a transparent superhydrophobic coating technology. The highly durable, thin coating technology was licensed by Carlex Glass America, aimed initially at advancing superhydrophob ORNL’s Tolga Aytug uses thermal processing and etching capabilities to produce a transparent superhydrophobic coating technology. The highly durable, thin coating technology was licensed by Carlex Glass America, aimed initially at advancing superhydrophob](/sites/default/files/styles/list_page_thumbnail/public/01%20Tolga%20Aytug%20ORNL%20Superhydrophobic%20thermal%20processing_0.jpg?itok=J9F1_sz3)
![Illustration of a nitrogen dioxide molecule (depicted in red and gold) confined within a nano-size pore of an MFM-300(Al) metal-organic framework material as characterized using neutron scattering at Oak Ridge National Laboratory. Illustration of a nitrogen dioxide molecule (depicted in red and gold) confined within a nano-size pore of an MFM-300(Al) metal-organic framework material as characterized using neutron scattering at Oak Ridge National Laboratory.](/sites/default/files/styles/list_page_thumbnail/public/news/images/18-G00441_PR%20MFM%20Gas%20Separation%20Nature%20Materials%20cover%20adapted%20for%20news%20release.png?itok=Zng13-B8)
Led by the University of Manchester, an international team of scientists has developed a metal-organic framework material (MOF) that exhibits a selective, fully reversible and repeatable capability to remove nitrogen dioxide gas from the atmosphere in ambient conditions.
![Oak Ridge National Laboratory launches Summit supercomputer. Oak Ridge National Laboratory launches Summit supercomputer.](/sites/default/files/styles/list_page_thumbnail/public/2018-P01537.jpg?itok=GLf4y1EZ)
The U.S. Department of Energy’s Oak Ridge National Laboratory today unveiled Summit as the world’s most powerful and smartest scientific supercomputer.
![Radiochemical technicians David Denton and Karen Murphy use hot cell manipulators at Oak Ridge National Laboratory during the production of actinium-227. Radiochemical technicians David Denton and Karen Murphy use hot cell manipulators at Oak Ridge National Laboratory during the production of actinium-227.](/sites/default/files/styles/list_page_thumbnail/public/2016-P07827%5B1%5D.jpg?itok=yJbnFQLU)
The Department of Energy’s Oak Ridge National Laboratory is now producing actinium-227 (Ac-227) to meet projected demand for a highly effective cancer drug through a 10-year contract between the U.S. DOE Isotope Program and Bayer.