OLCF Researcher to Work with Clean Combustion Center at Saudi University
September 17, 2014 — If you were to do an internet search for what causes engine knock, you’d receive a number of answers.
September 16, 2014 — When Orlando Rios first started analyzing samples of carbon fibers made from a woody plant polymer known as lignin, he noticed something unusual. The material’s microstructure -- a mixture of perfectly spherical nanoscale crystallites distributed within a fibrous matrix -- looked almost too good to be true.
Best of two worlds
September 12, 2014 — Traditional science and business are coming together in a way that Bredesen Center for Interdisciplinary Research and Graduate Education student Beth Papanek believes will help graduates advance their careers.
Imaging Fuel Injectors with Neutrons
September 12, 2014 — Blowing bubbles may be fun for kids, but for engineers, bubbles can disrupt fluid flow and damage metal.
A Metallic Alloy That is Tough and Ductile at Cryogenic Temperatures
September 09, 2014 — A new concept in metallic alloy design – called “high‐entropy alloys” - has yielded a multiple-element material that not only tests out as one of the toughest on record, but, unlike most materials, the toughness as well as the strength and ductility of this alloy actually improves at cryogenic temperatures.
September 08, 2014 — Keeping food fresh is no easy feat. Trials of transporting ice over long distances and the hazards of systems that rely on toxic gases riddle the pages of refrigeration history. And although cooling science has come a long way in the past two centuries, modern refrigeration has an environmental cost that poses new challenges.
Materials Scientists Play Atomic ‘Jenga’ and Make a Surprising Discovery
August 28, 2014 — Researchers at the Department of Energy’s Oak Ridge National Laboratory got a surprise when they built a highly ordered lattice by layering thin films containing lanthanum, strontium, oxygen and iron. Although each layer had an intrinsically nonpolar (symmetric) distribution of electrical charges, the lattice had an asymmetric distribution of charges.
Neutron science workshops seek to define field’s grand challenges
August 27, 2014 — OAK RIDGE, Tenn., August 27, 2014 — The Department of Energy’s Oak Ridge National Laboratory concluded a series of workshops this month that engaged scientists from around the country to identify grand scientific challenges and how they might be addressed through application of neutron science.
Scientists learn to control reactions with the shape of a rare-earth catalyst
August 27, 2014 — Scientists at the Department of Energy’s Oak Ridge National Laboratory have discovered they can control chemical reactions in a new way by creating different shapes of cerium oxide, a rare-earth-based catalyst. Their finding holds potential for refining fuels, decreasing vehicle emissions, producing commodity chemicals and advancing fuel cells and chemical sensors.
Health data + ORNL computing = Smarter health care
August 26, 2014 — As the United States strives to improve health care, the Department of Energy’s Oak Ridge National Laboratory is using computing to delve deeper into big health data and is proposing innovative solutions to grand challenges in the country’s health care system.
Scientists develop low-voltage water splitter that uses abundant materials
August 25, 2014 — In 2015, American consumers will finally be able to purchase fuel cell cars from Toyota and other manufacturers. Although touted as zero-emissions vehicles, most of the cars will run on hydrogen made from natural gas, a fossil fuel that contributes to global warming.
August 25, 2014 — If such a designation existed, Nazanin Bassiri-Gharb would be on the fast track to becoming an Oak Ridge National Laboratory “super user.
Signatures of Selection Inscribed on Poplar Genomes
August 25, 2014 — One aspect of the climate change models researchers have been developing looks at how plant ranges might shift, and how factors such as temperature, water availability, and light levels might come into play. Forests creeping steadily north and becoming established in the thawing Arctic is just one of the predicted effects of rising global temperatures.
Catalytic Gold Nanoclusters Promise Rich Chemical Yields
August 22, 2014 — Old thinking was that gold, while good for jewelry, was not of much use for chemists because it is relatively nonreactive.
July 31, 2014 — In the early 1980s, the Department of Energy’s Oak Ridge National Laboratory was just beginning to explore transfer of technology from the lab to industry. Now it's the norm, and one historical example illustrates the long-term benefits.
Nobel Laureate speaks on antibiotics and drug resistance
July 29, 2014 — Many antibiotics work by blocking protein production in the ribosomes of bacteria. But irresponsibly or incorrectly using antibiotics can contribute to bacterial immunity to antibiotics. Monday's Eugene P. Wigner Distinguished Lecturer, Dr.
A record-breaking month for ORNL’s Spallation Neutron Source
July 02, 2014 — The Spallation Neutron Source at the Department of Energy’s Oak Ridge National Laboratory broke records for sustained beam power level as well as for integrated energy and target lifetime in the month of June.
Students Learn to Use Neutrons and X-rays at Oak Ridge and Argonne
June 27, 2014 — The 16th National School on Neutron and X-ray Scattering, or NXS 2014, at Argonne and Oak Ridge National Laboratories came to an end on June 27. A whirlwind 14-day experience jointly conducted by Oak Ridge and Argonne, NXS immerses graduate students in national user facilities to learn in a hands-on environment how to use neutrons and X-rays in their research.
“Take my word for it"
June 26, 2014 — The late Sen. Howard H. Baker was a friend to the Department of Energy's Oak Ridge National Laboratory, which is in the state he represented in Washington. The Tennessee "favorite son" was invited to present the annual Alvin Weinberg Lecture in June 2000. The following is a story on Sen. Baker's talk.
Understanding heat flows is focus of DOE Early Career Award winner Delaire
June 20, 2014 — Olivier Delaire, a scientist at the Department of Energy’s Oak Ridge National Laboratory, has won a prestigious Early Career Award from DOE’s Office of Science to study how heat propagates, or moves, through matter at an atomic level.
The Smithsonian and ORNL partner to advance science, education
June 12, 2014 — The Smithsonian Institution and the Department of Energy’s Oak Ridge National Laboratory have announced a new partnership to support collaborative research programs and science education efforts. This is the first partnership between Oak Ridge National Laboratory and the Smithsonian, which was formalized during the signing of a memorandum of understanding June 12.
More than Just Food for Koalas
June 11, 2014 — From antiseptic oils to the construction of didgeridoos, the traditional Australian Aboriginal wind instrument, the eucalyptus tree serves myriad purposes, accounting for its status as one of the world’s most widely planted hardwood trees.
More than 400 attend American Conference on Neutron Scattering
June 05, 2014 — The American Conference on Neutron Scattering returned to Knoxville this week, 12 years after its inaugural meeting there in 2002. Coordinated by the Neutron Scattering Society of America and hosted by Oak Ridge National Laboratory, the four-day conference drew 440 attendees and featured oral and poster presentations from the world’s leading experts in neutron science.
UGA, ORNL research team engineers microbes for the direct conversion of biomass to fuel
June 03, 2014 — New research from the University of Georgia and the Department of Energy’s Oak Ridge National Laboratory has overcome a major hurdle to cost-effective biofuel production by enabling the direct conversion of switchgrass to fuel.
Neutrons and X-rays Reveal Structure of High-temperature Liquid Metal Oxides
May 30, 2014 — By levitating a bead of ceramic oxide, heating it with a 400-watt carbon dioxide laser, then shooting the molten material with X-rays and neutrons, scientists with the Department of Energy’s Oak Ridge and Argonne national laboratories have revealed unprecedented detail of the structure of high-temperature liquid oxides.