Titan

The 18,688 NVIDIA Tesla GPU accelerators in Titan, the Oak Ridge Leadership Computing Facility’s (OLCF’s) flagship supercomputer, can greatly boost code performance. Researchers interested in using Titan, which is capable …
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When astronomers peer into the universe, what they see often exceeds the limits of human understanding. Such is the case with low-mass galaxies—galaxies a fraction of the size of …
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While researchers are busy answering big science questions on the Cray XK7 Titan supercomputer, Oak Ridge Leadership Computing Facility (OLCF) staff members are keeping the nation’s most powerful supercomputer, now …
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Heavy rainfall can cause rivers and drainage systems to overflow or dams to break, leading to flood events that bring damage to property and road systems as well potential loss …
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Fusion, the energy that powers the stars, might one day provide abundant energy here on Earth.

In a nuclear fusion reactor, the hot, charged gas known as plasma reaches out …
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One hundred twenty-three Oak Ridge Leadership Computing Facility (OLCF) users and staff members attended the annual OLCF User Meeting in May to share achievements on Titan, discuss the next big Summit …
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High-temperature alloys, often used in power plants and automobile engines, are valued in engineering because they can withstand temperatures that are a high fraction of their melting point. Operating power …
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The study of the atomic nucleus is important to both the subatomic world of particle physics and hands-on research in the nuclear, chemical, and materials sciences. By simulating nuclei using …
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Despite the grand diversity among living organisms, the molecule used to store and transmit energy within aerobic, or oxygen-using, cells is remarkably the same. From bacteria to fungi, plants, and …
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For staff at the Oak Ridge Leadership Computing Facility (OLCF), attending computing conferences and meetings is valuable, but sharing at scientific meetings where computing resources can have a direct impact …
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Need support? Every month the Oak Ridge Leadership Computing Facility (OLCF), a US Department of Energy (DOE) Office of Science User Facility located at DOE’s Oak Ridge National Laboratory, hosts …
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Photosynthesis, the method plants use to convert energy from the sun into food, is a ubiquitous process many people learn about in elementary school. Almost all plants use photosynthesis to …
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Because of Earth’s layered composition, scientists have often compared the basic arrangement of its interior to that of an onion. There’s the familiar thin crust of continents and ocean floors; …
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To maximize computing power and efficiency, hybrid supercomputers run on multiple types of processors. For computational scientists, the benefit of this arrangement is the potential to accomplish more science in …
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With the advent of laser technology in the 1960s, materials scientists gained a new tool to both study and modify materials. Today, lasers allow researchers to manipulate materials on atomic …
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Snow falls in winter and melts in spring, but what drives the phase change in between?

Although melting is a familiar phenomenon encountered in everyday life, playing a part …
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