Articles tagged with Supercomputing
Researchers have developed measurement-device-independent quantum communication without encryption, eliminating key security loopholes. This protocol uses Einstein-Podolsky-Rosen pairs to ensure secure communication over long distances and high capacities.
The NSF is investing $60 million in a new high-performance computing system, Frontera, at the Texas Advanced Computing Center. The system will offer unprecedented scale and capacity for science and engineering research, enabling leap-ahead discoveries in fields like physics and molecular dynamics.
The University of Texas at Austin will build the nation's fastest academic supercomputer with a $60 million NSF grant, expected to enable major scientific discoveries in fields like astrophysics and zoology. The system, known as Frontera, will begin operations in 2019 and be twice as powerful as its predecessor.
University of Texas at San Antonio researchers have developed improved computer models to predict the dispersal of chemical plumes, enabling more accurate evacuations. The models can simulate real-world conditions despite limited information, providing critical insights into the spread of toxic agents like sarin gas.
Scientists used supercomputers to model HIV-1 replication and identified inositol hexakisphosphate as a key molecule promoting assembly and maturation. This discovery opens a door for developing new treatments and therapeutics.
The Atesins used supercomputers at the Texas Advanced Computing Center to study organometallic compounds and understand the structure of a palladium catalyst. Their research revealed that the most stable form of the molecule is chair-shaped, and repulsion between this conformation and the substrate dictates the final product.
A new brain-inspired computer called SpiNNaker has been developed to mimic the human brain's neural networks. It produces results similar to the best brain-simulation supercomputer software currently used for neural-signaling research, advancing our knowledge of neural processing in the brain.
Linköping University researchers have developed a method to simulate the heart's function using CT scan data, which may revolutionize cardiovascular disease diagnosis. This technique allows for quick and easy investigations, enabling the study of blood flow in individual patients.
Jessica Irving and her team developed a new model, EPOC, that fits the data better than existing models, providing information about the material properties of the outer core. The outer core is crucial for understanding the history of the magnetic field and providing heat to the mantle.
Summit will provide unprecedented computing power for research in energy, advanced materials and artificial intelligence, enabling scientific discoveries that were previously impractical or impossible. Summit will be capable of more than three billion mixed precision calculations per second, or 3.3 exaops.
Scientists from Lobachevsky University have created a new algorithm to solve a series of global optimization problems, ensuring uniform convergence and efficient parallel processing. The research aimed to develop an approach that would accurately estimate solutions for all problems in the series simultaneously.
A team of researchers used powerful supercomputers to calculate the nucleon axial coupling, which is central to understanding a neutron's lifetime. Their method offers a clear path to resolving the experimental discrepancy and provides new insights into fundamental forces of nature.
Scientists have calculated the axial coupling constant of the weak interaction with high precision using lattice QCD simulations. This method allows for the comparison of experimental results and may explain discrepancies in neutron lifetime, shedding light on dark matter and fundamental universe questions.
Scientists from Goethe University Frankfurt and the Frankfurt Institute for Advanced Studies have developed a novel simulation code, ExaHyPE, to calculate gravitational waves on exascale supercomputers. This breakthrough allows for more accurate simulations of black hole mergers and other astrophysical phenomena.
Researchers at UCSD designed a two-dimensional protein crystal that can toggle between states of varying porosity and density. The material's structural dynamics were simulated using all-atom molecular dynamics, revealing new insights into the emergence of complex properties in biomolecules. Control over the opening and closing of pore...
Kristopher Olshefski, a Montana State University graduate student, has won a prestigious Graduate Research Fellowship from the National Science Foundation. He will use the award to advance his research on fluid sprays, which could lead to improvements in vehicle fuel efficiency and the development of new propulsion systems for spacecraft.
Using computer modeling, University of Oregon scientists have unveiled a thick crustal transition zone that may control the movement of magma emerging from the Earth's mantle. This discovery provides a new explanation for the geology underlying recent seismic imaging of magma bodies below Yellowstone National Park.
Researchers in UCSB/Google group aim to demonstrate quantum supremacy with superconducting qubits, overcoming challenges of decoherence and error correction. Their goal is to build a qubit system capable of exploring complex states efficiently, enabling applications in condensed matter physics, chemistry, and materials.
A new technique uses satellite data and machine learning to distinguish between corn and soybean fields in Illinois, providing accurate crop type data every two months. The researchers used Landsat satellites and a deep neural network to analyze the data, showing promise for future innovations in agricultural applications.
Researchers from multiple institutions developed the largest-ever hydrological simulation of galaxy formation, expanding on their 2015 'Illustris' simulation. The new model includes a more precise accounting for magnetic fields and improves understanding of black hole physics, shedding light on star formation limits.
TU Dresden researchers refined their method for studying organic semiconductors by collaborating with experimentalists to compare simulations to spectroscopy experiments. The team simulated materials like C60 and zinc phthalocyanine, finding good agreement between simulations and experimental observations.
A new algorithm enables larger parts of the human brain to be represented using the same amount of computer memory, significantly reducing the memory required for simulations. This breakthrough allows researchers to simulate neuronal networks on the scale of the human brain for the first time, enabling studies of complex brain functions.
Researchers at Oregon State University have designed the world's smallest electro-optic modulator, which could lead to major reductions in energy consumption for data centers and supercomputers. The device is roughly the size of a bacterium and can be 100 times more energy efficient than previous devices.
Researchers gained new understanding of relativistic jets' behavior through advanced supercomputer simulations, revealing how space-time is dragged into the rotation of rotating black holes. The study confirms that tilted disks lead to precessing jets that periodically change their direction in the sky.
A team of researchers used JUQUEEN supercomputer to simulate the structure of silicate glasses at ultra-high pressures, gaining insights into the Earth's formation and its impact on our surface. They found that oxygen atoms are more compressible than silicon atoms under high pressure, leading to different glass structures.
The next-generation SuperMUC-NG will provide more compute power for scientists, enabling them to tackle complex problems and simulate earthquakes with greater accuracy. The new supercomputer will use warm-water cooling and advanced storage capabilities to reduce power consumption and address data management challenges.
Researchers at Carnegie Mellon University are developing new technologies for understanding the brain, including high-throughput fluorescence synapse quantitation and a confocal fluorescence microscopy data repository. They aim to identify how and where synapses develop and change to understand learning, development, and disease.
The new system will meet its successor, Forschungszentrum Jülich and the international IT company Atos have agreed at the SC17 supercomputing conference. Modular supercomputing is an idea conceived by Dr Lippert almost 20 years ago.
A Chinese research team used the Sunway TaihuLight to simulate a devastating 1976 Tangshan earthquake. The simulation created detailed 3D visualizations and informed engineering standards for buildings in seismic zones.
The U.S. Department of Energy's INCITE program awards large-scale research campaigns to researchers, allocating 5.95 billion core-hours on three powerful supercomputers. Domain scientists and computational experts provide support to aid in code development, optimization, and data analysis.
A team of researchers from LMU and TUM used supercomputing resources to simulate a massive earthquake with 1,500km of non-linear fracture mechanics, achieving a 13-fold improvement in time to solution. The simulation helped understand the complex process behind megathrust earthquakes, which can unleash violent tsunamis.
Researchers developed a new method for solving complex global optimization problems, which can be represented as multidimensional hypercubes. The diagonal approach offers improved speed and takes into account qualitative features in the function's behavior.
The Cosmos code, developed by the University of Texas at Austin, has been optimized for the Stampede2 supercomputer using XSEDE ECSS resources. This allows for accurate simulations of black hole jets and other astrophysical phenomena, providing new insights into the mysteries of space.
The new earthquake forecast, UCERF3, provides self-consistent rupture probabilities from short-term to long-term, including increased likelihood of powerful aftershocks and revised earthquake frequencies. The model also assesses short-term changes in seismic hazard based on earthquake clustering and aftershock excitations.
A team of researchers from the University of Texas at Austin has created an accurate and efficient method to characterize gliomas, the most common and aggressive type of primary brain tumor. Their system combined biophysical models with machine learning algorithms to analyze Magnetic Resonance imaging data, achieving top results in a c...
Researchers at Argonne National Laboratory used the Mira supercomputer to simulate over 2,000 engine design combinations, reducing design time from months to weeks. The simulations identified two optimized fuel-engine concepts that can improve fuel efficiency substantially.
New simulations led by PPPL provide positive news for ITER. Researchers estimate a heat flux width of up to 6 millimeters within the divertor plates' capacity to tolerate, far greater than previous projections. This finding indicates ITER can produce 10 times more power than it consumes without damaging the divertor plates prematurely.
Researchers have demonstrated a new type of computer that uses polaritons, a combination of light and matter, to solve complex problems. The system works by creating a potential landscape and forcing the polaritons to condense at its lowest point, enabling it to find optimal solutions.
The Ohio Supercomputer Center has released Open OnDemand 1.0, an open-source web portal for accessing high-performance computing (HPC) services. This initiative aims to lower the barrier to HPC use by providing a user-friendly interface.
Researchers found that changing routine boarding protocols could reduce the spread of disease on commercial airliners. A two-zone system where passengers board at random is suggested as a more efficient way to prevent infection.
Researchers used Stampede2 supercomputer to forecast solar eclipse corona, shedding light on sun's structure and space weather. The simulations, completed with NASA's Pleiades and other computers, provided highly detailed models of the sun's surface and predicted the solar corona's appearance during the Aug. 21 eclipse.
Researchers developed theories supported by 3D simulations to explain the formation and dissipation of galaxy jets. The simulations show that instabilities in space jets are triggered by the interaction with surrounding matter, known as the ambient medium.
The Texas Advanced Computing Center has launched Stampede2, the largest supercomputer at any US university, supporting thousands of nation's scientists and engineers. The system will enable researchers to tackle complex challenges with high-performance computing power.
A massive simulation of the HIV capsid has revealed new details about how it interacts with its environment, including oscillations that transmit information between different parts. The study also found that ions flow in and out of the capsid pores, potentially creating vulnerabilities for new drug development.
Using supercomputer simulations, researchers have discovered that kinks in DNA can significantly reduce energy and pressure, allowing it to fit into a micron-sized space. The findings provide new insights into how cells pack DNA and could lead to advances in understanding biological phenomena.
Scientists are working on more precise diagnostics for cancer using advanced imaging techniques and nano-sensors that can detect biomarkers within the body. These tools have the potential to significantly increase early detection of breast cancer with minimal risk and cost.
Scientists study Burmese pythons' ability to regenerate organs after feeding, identifying key genes that drive regenerative growth. The team also explores the genetic basis of evolution in snakes and lizards, shedding light on the mechanisms behind unique traits such as venom composition and reproductive differences.
Researchers solved a mystery about lithium's structure, revealing its atoms are arranged simply like oranges in a box, contrary to previous complex results. The study used high-pressure experiments and advanced quantum mechanics to accurately observe the material's fundamental properties.
The Gauss Centre for Supercomputing (GCS) has secured €500 million in funding for the next decade to invest in next-generation systems and strengthen comprehensive user support. The organisation aims to deliver world-class supercomputing resources while fostering interdisciplinary collaboration between researchers and industry.
A team of researchers at RWTH Aachen University used the Cray XC40 Hazel Hen supercomputer to simulate turbulent multiphase flows, paving the way for more accurate modeling and design of cleaner coal plants. The study's findings support the team's goal of improving CO2 emissions from coal power plants.
The University of Zurich has simulated a gigantic catalogue of 25 billion virtual galaxies from 2 trillion digital particles using the revolutionary code PKDGRAV3. This simulation will help optimize the observational strategy of the Euclid satellite, which aims to investigate dark matter and dark energy.
Researchers from Spain and Italy used the JANUS supercomputer to reproduce an experimental protocol on spin glasses, connecting theoretical and experimental developments. The simulation revealed that microscopic and macroscopic correlation lengths are equal, providing a theoretical basis for studying physical systems.
The Gauss Centre for Supercomputing approved 30 large-scale projects receiving 2.1 billion core hours, breaking records in allocation time and proposals received. Researchers studied earth sciences, chemistry, particle physics, and more, securing massive allocations to advance scientific knowledge.
Researchers simulated the entire ring system of Chariklo, a small body in the Solar System with rings. The simulation found that the inner ring is unstable without help, suggesting smaller particles or an undiscovered shepherd satellite may be responsible.
The Rosetta Online Server (ROSIE) uses XSEDE's Stampede supercomputer to provide access to the Rosetta software suite for 3D structure prediction and high-resolution design of biomolecules. With over 5,000 users, ROSIE has enabled notable scientific advances in computational biology.
The Owens Cluster is the most powerful supercomputer in Ohio Supercomputer Center history, featuring a peak performance of 1.5 petaflops. It provides a massive increase in computing power and storage space for researchers, enabling them to make extraordinary discoveries and innovations.
University of Michigan researchers use Stampede supercomputer to design fuel-efficient aircraft with morphing wings and composite materials. Their studies show that tow-steered composites can reduce structural weight by 10% and fuel burn by 0.4%, while morphing wings have the potential to burn 2% less fuel than current designs.
Scientists at the University of Luxembourg developed Equihash, a memory-hard problem algorithm that resolves Bitcoin's centralization issue. This allows for more democratic digital currencies like Zcash, where users can contribute to mining with standard hardware, reducing investment costs and increasing decentralization.
The new Cheyenne supercomputer provides a major tool for advancing understanding of the atmospheric and related Earth system sciences. Scientists will use it to study phenomena such as wildfires and seismic activity, leading to better protecting society from natural disasters.
Physicists have predicted the existence of a short-lived tetraneutron, a particle consisting of four neutrons, with a lifetime of 5×10<sup>−22</sup> sec. Theoretical computations based on new interactions and supercomputer simulations correlate with experimental findings and suggest unprecedented properties.