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During chemical vapor infiltration, gaseous vapor reacts on the surface of the preform fibers at elevated temperatures to coat the material. If applied long enough, the gas …
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OAK RIDGE, Tenn., March 11, 2019—An international collaboration including scientists at the Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) solved a 50-year-old puzzle that explains why beta decays …
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Written by: Sean M. Simoneau, simoneausm@ornl.gov, 865.241.0709

More than 1800 years ago, Chinese astronomers puzzled over the sudden appearance of a bright “guest star” in the sky, unaware that they …
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Deep beneath the Earth’s surface, oil and groundwater percolate through gaps in rock and other geologic material. Hidden from sight, these critical resources pose a significant challenge for scientists seeking …
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As home to three top-ranked supercomputers of the last decade, the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) has become synonymous with scientific computing at the largest …
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This month, Summit Early Science Program users are starting to work on some of the world’s toughest science problems on its most powerful supercomputer: the 200-petaflop, IBM AC922 Summit system …
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In today’s technology landscape, companies are continually making improvements to electronic devices. Bigger screens, better cameras, and smarter systems are just some of the improvements these companies promise to consumers …
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A visualization of a cellulose fiber (green) interacting with lignin (brown). Using supercomputers like the OLCF’s Cray XK7 Titan, ORNL researchers model biomass molecules at a level …
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The Pinnacle Engines opposed-piston cylinder shown in three different views. Visualizations illustrate the generation of coherent flow structures and their collapse during the compression stroke, which leads to …
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The project team for the design and construction of the Summit supercomputing facility at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) received the Tennessee Chamber of …
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The Faces of Summit series shares stories of the people behind America’s top supercomputer for open science, the Oak Ridge Leadership Computing Facility’s Summit. The IBM AC922 machine launched in …
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Two US Department of Energy (DOE) National Laboratories were recently awarded the 2018 Association for Computing Machinery’s (ACM’s) Gordon Bell Prize for work done on the Oak Ridge Leadership Computing …
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