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href="/science/science-news/?year=1998">1998</a></li> <li><a href="/science/science-news/?year=1997">1997</a></li> </ul> </div>    <div class="clearfix"> </div> </div> <div class="IndexList"> <div class="index-list-item first"> <div class="thumbnail"> <a href="/news-publications/nersc-news/science-news/2003/nersc-helps-nearby-supernova-factory-discover-supernovae-at-a-rate-of-8-per-month/" title="NERSC Helps Nearby Supernova Factory Discover Supernovae at a Rate of 8 per Month"><img width="100" height="100" alt="Palomar Observatory Image" src="/assets/NewsImages/2003/palomarnet3__FillWzEwMCwxMDBd.jpg" loading="lazy" /> </a> </div> <div class="list-text"> <h2 class="article-list-title"><a href="/news-publications/nersc-news/science-news/2003/nersc-helps-nearby-supernova-factory-discover-supernovae-at-a-rate-of-8-per-month/" title="NERSC Helps Nearby Supernova Factory Discover Supernovae at a Rate of 8 per Month">NERSC Helps Nearby Supernova Factory Discover Supernovae at a Rate of 8 per Month<span class="more"></span></a></h2> <div class="DateAuthors"> <span class="Date">September 26, 2003</span> </div> <p class="Summary">The Nearby Supernova Factory based at Berkeley Lab has discovered 34 supernovae during its first year of operation and 99 to date — the best performance ever for a "rookie" supernova search. This remarkable discovery rate of eight per month is made possible by a high-speed data link, custom data pipeline software, and NERSC's ability to store and process 50 gigabytes of data every night. <a href="/news-publications/nersc-news/science-news/2003/nersc-helps-nearby-supernova-factory-discover-supernovae-at-a-rate-of-8-per-month/" title="NERSC Helps Nearby Supernova Factory Discover Supernovae at a Rate of 8 per Month" class="more">Read More »</a></p> </div> <div class="clear"></div> </div> <div class="index-list-item "> <div class="thumbnail"> <a href="/news-publications/nersc-news/science-news/2003/improved-algorithm-speeds-up-fusion-code-by-a-factor-of-5/" title="Improved Algorithm Speeds Up Fusion Code by a Factor of 5"><img width="100" height="100" alt="nimrod.gif" src="/assets/NewsImages/2003/nimrod__FillWzEwMCwxMDBd.gif" loading="lazy" /> </a> </div> <div class="list-text"> <h2 class="article-list-title"><a href="/news-publications/nersc-news/science-news/2003/improved-algorithm-speeds-up-fusion-code-by-a-factor-of-5/" title="Improved Algorithm Speeds Up Fusion Code by a Factor of 5">Improved Algorithm Speeds Up Fusion Code by a Factor of 5<span class="more"></span></a></h2> <div class="DateAuthors"> <span class="Date">September 2, 2003</span> </div> <p class="Summary">Developers of the NIMROD code, which is used to simulate fusion reactor plasmas, collaborated with members of the SciDAC Terascale Optimal PDE Simulations Center to implement the SuperLU linear solver software within NIMROD. As a result, NIMROD runs four to five times faster for cutting-edge simulations of nonlinear macroscopic electromagnetic dynamics — with a corresponding increase in scientific productivity. <a href="/news-publications/nersc-news/science-news/2003/improved-algorithm-speeds-up-fusion-code-by-a-factor-of-5/" title="Improved Algorithm Speeds Up Fusion Code by a Factor of 5" class="more">Read More »</a></p> </div> <div class="clear"></div> </div> <div class="index-list-item "> <div class="list-text"> <h2 class="article-list-title"><a href="/news-publications/nersc-news/science-news/2003/scientists-find-fingerprint-of-human-activities-in-recent-tropopause-height-changes/" title="Scientists Find "Fingerprint" of Human Activities in Recent Tropopause Height Changes">Scientists Find "Fingerprint" of Human Activities in Recent Tropopause Height Changes<span class="more"></span></a></h2> <div class="DateAuthors"> <span class="Date">September 2, 2003</span> </div> <p class="Summary">A team of scientists, including Michael Wehner of LBNL's Computational Research Division, has determined that human-induced changes in ozone and well-mixed greenhouse gases are the primary drivers of recent changes in the height of the tropopause. The team is led by Ben Santer of LLNL and their work is described in a paper entitled, "Contributions of Anthropogenic and Natural Forcing to Recent Tropopause Height Changes," which appears in the July 25, 2003 edition of Science. <a href="/news-publications/nersc-news/science-news/2003/scientists-find-fingerprint-of-human-activities-in-recent-tropopause-height-changes/" title="Scientists Find "Fingerprint" of Human Activities in Recent Tropopause Height Changes" class="more">Read More »</a></p> </div> </div> <div class="index-list-item "> <div class="thumbnail"> <a href="/news-publications/nersc-news/science-news/2003/simulation-computed-at-nersc-matches-historic-gamma-ray-burst/" title="Simulation Computed at NERSC Matches Historic Gamma-Ray Burst"><img width="100" height="100" alt="simulation1aweb.jpg" src="/assets/NewsImages/2003/simulation1aweb__FillWzEwMCwxMDBd.jpg" loading="lazy" /> </a> </div> <div class="list-text"> <h2 class="article-list-title"><a href="/news-publications/nersc-news/science-news/2003/simulation-computed-at-nersc-matches-historic-gamma-ray-burst/" title="Simulation Computed at NERSC Matches Historic Gamma-Ray Burst">Simulation Computed at NERSC Matches Historic Gamma-Ray Burst<span class="more"></span></a></h2> <div class="DateAuthors"> <span class="Date">July 21, 2003</span> </div> <p class="Summary">After three decades of scientific head-scratching, the origins of at least some gamma-ray bursts (GRBs) are being revealed, thanks to a new generation of orbiting detectors, fast responses from ground-based robotic telescopes, and a new generation of computers and astrophysics software. <a href="/news-publications/nersc-news/science-news/2003/simulation-computed-at-nersc-matches-historic-gamma-ray-burst/" title="Simulation Computed at NERSC Matches Historic Gamma-Ray Burst" class="more">Read More »</a></p> </div> <div class="clear"></div> </div> <div class="index-list-item "> <div class="list-text"> <h2 class="article-list-title"><a href="/news-publications/nersc-news/science-news/2003/new-computational-and-scientific-results-at-nersc-science-of-scale-applications-achieve-significant-results-and-up-to-68-of-peak-performance-on-10-tflop-s-ibm-sp-3-10-03/" title="New Computational and Scientific Results at NERSC: Science-of-Scale Applications Achieve Significant Results and up to 68% of Peak Performance on 10 Tflop/s IBM SP (3-10-03)">New Computational and Scientific Results at NERSC: Science-of-Scale Applications Achieve Significant Results and up to 68% of Peak Performance on 10 Tflop/s IBM SP (3-10-03)<span class="more"></span></a></h2> <div class="DateAuthors"> <span class="Date">April 7, 2003</span> </div> <p class="Summary">Initial results from NERSC’s 10 teraflop/s IBM SP supercomputer, which became available for general use in early March 2003, show scientific applications running at up to 68% of the system’s theoretical peak speed, compared with the 5–10% of peak performance typical for scientific applications running on massively parallel or cluster architectures. <a href="/news-publications/nersc-news/science-news/2003/new-computational-and-scientific-results-at-nersc-science-of-scale-applications-achieve-significant-results-and-up-to-68-of-peak-performance-on-10-tflop-s-ibm-sp-3-10-03/" title="New Computational and Scientific Results at NERSC: Science-of-Scale Applications Achieve Significant Results and up to 68% of Peak Performance on 10 Tflop/s IBM SP (3-10-03)" class="more">Read More »</a></p> </div> </div> <div class="index-list-item last"> <div class="thumbnail"> <a href="/news-publications/nersc-news/science-news/2003/nersc-helps-get-the-physics-out-of-kamland-data/" title="NERSC Helps Get the Physics out of KamLAND Data"><img width="100" height="100" alt="kamland.jpg" src="/assets/NewsImages/kamland__FillWzEwMCwxMDBd.jpg" loading="lazy" /> </a> </div> <div class="list-text"> <h2 class="article-list-title"><a href="/news-publications/nersc-news/science-news/2003/nersc-helps-get-the-physics-out-of-kamland-data/" title="NERSC Helps Get the Physics out of KamLAND Data">NERSC Helps Get the Physics out of KamLAND Data<span class="more"></span></a></h2> <div class="DateAuthors"> <span class="Date">January 27, 2003</span> </div> <p class="Summary">The Standard Model of Particle Physics, which has successfully explained fundamental physics since the 1970s, predicts that neutrinos have no mass and come in three types or "flavors," electron, muon, and tau. But for the past four years, solar neutrino experiments at the Super-Kamiokande Observatory (Super-K) in Japan and the Sudbury Neutrino Observatory (SNO) in Canada have offered compelling evidence that neutrinos do have nonzero mass and oscillate between the three flavors <a href="/news-publications/nersc-news/science-news/2003/nersc-helps-get-the-physics-out-of-kamland-data/" title="NERSC Helps Get the Physics out of KamLAND Data" class="more">Read More »</a></p> </div> <div class="clear"></div> </div> <div class="clear"></div> </div> <div class="combined-pagination">  <div class="year-pagination"> <span>Filter by Year</span> <ul> <li><a href="">All</a></li> <li><a href="/science/science-news/?year=2024">2024</a></li> <li><a href="/science/science-news/?year=2023">2023</a></li> <li><a href="/science/science-news/?year=2022">2022</a></li> <li><a href="/science/science-news/?year=2021">2021</a></li> <li><a href="/science/science-news/?year=2020">2020</a></li> <li><a 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