http://phys.org/ en-us Phys.org provides the latest news from Lawrence Livermore National Laboratory (Phys.org) —The distortion of the ancient shoreline and flooding surface of the U.S. Atlantic Coastal Plain are the direct result of fluctuations in topography in the region and could have implications on understanding long-term climate change, according to a new study. http://phys.org/news287944022.html Space & Earth Thu, 16 May 2013 17:27:11 EST news287944022 (Phys.org) —Computer scientists at Lawrence Livermore National Laboratory (LLNL) and Rensselaer Polytechnic Institute have set a high performance computing speed record that opens the way to the scientific exploration of complex planetary-scale systems. http://phys.org/news286616513.html Technology Wed, 01 May 2013 08:42:07 EST news286616513 The National Nuclear Security Administration (NNSA) today announced that its Sequoia supercomputer at Lawrence Livermore National Laboratory (LLNL) has completed its transition to classified computing in support of the Stockpile Stewardship Program, which helps the United States ensure the safety, security and effectiveness of its aging nuclear weapons stockpile without the use of underground testing. http://phys.org/news285489133.html Electronics Thu, 18 Apr 2013 07:32:24 EST news285489133 (Phys.org) —Scientists at Lawrence Livermore National Laboratory (LLNL) and UC Berkeley and have discovered new materials to capture methane, the second highest concentration greenhouse gas emitted into the atmosphere. http://phys.org/news285342776.html Chemistry Tue, 16 Apr 2013 14:53:06 EST news285342776 (Phys.org) —Livermore researchers have described in detail the properties of the room temperature form of the element boron. http://phys.org/news283757936.html Chemistry Fri, 29 Mar 2013 06:39:16 EST news283757936 (Phys.org) —Researchers at Lawrence Livermore National Laboratory have performed record simulations using all 1,572,864 cores of Sequoia, the largest supercomputer in the world. Sequoia, based on IBM BlueGene/Q architecture, is the first machine to exceed one million computational cores. It also is No. 2 on the list of the world's fastest supercomputers, operating at 16.3 petaflops (16.3 quadrillion floating point operations per second). http://phys.org/news282923672.html Electronics Tue, 19 Mar 2013 14:54:40 EST news282923672 (Phys.org) —An international team of researchers, including LLNL physicist Matthias Frank and postdoc Mark Hunter, have for the first time used an ultra-intense X-ray laser to determine the previously unknown atomic-scale structure of a protein. http://phys.org/news282471509.html Physics Thu, 14 Mar 2013 09:30:03 EST news282471509 (Phys.org) —Human activities are not the primary cause of arsenic found in groundwater in Bangladesh. http://phys.org/news281638616.html Space & Earth Mon, 04 Mar 2013 16:57:08 EST news281638616 (Phys.org)—An international collaboration including researchers from Lawrence Livermore National Laboratory has discovered that the Earth's core formed under more oxidizing condition's than previously proposed. http://phys.org/news277058248.html Space & Earth Thu, 10 Jan 2013 16:37:35 EST news277058248 Planning the future needs of the U.S. nuclear weapons stockpile as well as the nuclear weapons complex depends in part on maintaining confidence in the long-term stability of the pit, or core, of plutonium-239 residing inside every weapon. Scientists and engineers who ensure the safety and reliability of the nation's stockpile had long been concerned that the damage accumulated over decades as plutonium-239 self-irradiates could eventually compromise weapon performance. http://phys.org/news274953971.html Physics Mon, 17 Dec 2012 08:06:21 EST news274953971 By comparing simulations from 20 different computer models to satellite observations, Lawrence Livermore climate scientists and colleagues from 16 other organizations have found that tropospheric and stratospheric temperature changes are clearly related to human activities. http://phys.org/news273420515.html Space & Earth Thu, 29 Nov 2012 14:08:41 EST news273420515 (Phys.org)—Lawrence Livermore National Laboratory researchers are making key contributions to a physics experiment that will look for one of nature's most elusive particles, "dark matter," using a tank nearly a mile underground beneath the Black Hills of South Dakota. http://phys.org/news272210805.html Physics Thu, 15 Nov 2012 14:06:58 EST news272210805 (Phys.org)—Lawrence Livermore National Laboratory (LLNL) researchers have used the Stack Trace Analysis Tool (STAT), a highly scalable, lightweight tool to debug a program running more than one million MPI processes on the IBM Blue Gene/Q (BGQ)-based Sequoia supercomputer. http://phys.org/news272126242.html Technology Wed, 14 Nov 2012 14:37:45 EST news272126242 (Phys.org)—LEXI is a new robot at work in the firing tanks of the Lab's High Explosives Applications Facility (HEAF) and the work that's done there for the National Explosives Engineering Sciences Security (NEXESS) Center. The tri-lab program is funded by the Department of Homeland Security to assess threats from explosives and to evaluate countermeasures.  http://phys.org/news271666237.html Electronics Fri, 09 Nov 2012 07:10:04 EST news271666237 (Phys.org)—Americans used less energy in 2011 than in the previous year due mainly to a shift to higher-efficiency energy technologies in the transportation and residential sectors. Meanwhile, less coal was used but more natural gas was consumed according to the most recent energy flow charts released by Lawrence Livermore National Laboratory. http://phys.org/news270310499.html Technology Wed, 24 Oct 2012 15:30:01 EST news270310499