Uncrowded Coils
Department of Energy, Office of ScienceA new fast and robust algorithm for computing stellarator coil shapes yields designs that are easier to build and maintain.
A new fast and robust algorithm for computing stellarator coil shapes yields designs that are easier to build and maintain.
Physicists measured fast electron populations. They achieved this first-of-its-kind result by seeing the effect of the fast electrons on the ablation rate of small frozen argon pellets.
Heating the core of fusion reactors causes them to develop sheared rotation that can improve plasma performance.
Scientists discover new signposts in the quest to determine how matter from the early universe turned into the world we know today.
Electric and magnetic properties of a radioactive atom provide unique insight into the nature of proton and neutron motion.
Scientists use high-speed electrons to visualize “dress-like” distortions in the atomic lattice. This work reveals the vital role of electron-lattice interactions in manganites. This material could be used in data-storage devices with increased data density and reduced power requirements.
For years, scientists have explored using tiny drops of designer materials, called quantum dots, to make better solar cells. Adding small amounts of manganese decreases the ability of quantum dots to absorb light but increases the current produced by an average of 300%.
Through highly controlled synthesis, scientists controlled competing atomic forces to let spiral electronic structures form. These polar vortices can serve as a precursor to new phenomena in materials. The materials could be vital for ultra-low energy electronic devices.
A new process controllably but instantly consolidates ceramic parts, potentially important for manufacturing.
Scientists determine the precise location and identity of all 23,000 atoms in a nanoparticle.
It has long been thought that building nanometer-sized transistors was impossible. Simply put, the physics and atomic structural imperfections couldn’t be overcome. However, scientists built fully functional, nanometer-sized transistors.
For the first time, scientists created a tunable artificial atom in graphene. The results from this research demonstrate a viable, controllable, and reversible technique to confine electrons in graphene.
Scientists develop tools to understand Li-ion battery instabilities, enabling the study of electrodes and solid-electrolyte interphase formation.
Each year, the DOE Office of Science write profiles on past NSB competitors. These features include their memories of their high school adventures and information on their education and career accomplishments.
The Department of Energy’s INCITE program will be accepting proposals for high-impact, computationally intensive research campaigns in a broad array of science, engineering, and computer science domains.
Each year, the DOE Office of Science write profiles on past NSB competitors. These features include their memories of their high school adventures and information on their education and career accomplishments. This feature profiles Shireen Haque, an anesthesiologist and 1994 NSB champion.
This is the second in series of four planned profiles on past National Science Bowl competitors.Jonathan Kirzner was a member of the Van Nuys High School team from Van Nuys, Calif. who won the national championship in 1995.
Scientists once thought proton spin was simple to understand. However, after experiments in the 1980s proved their ideas wrong, researchers have been working to understand how the proton’s components contribute to its spin. Scientists use the unique capabilities of the Relativistic Heavy Ion Collider and the Continuous Electron Beam Accelerator Facility, both DOE Office of Science user facilities, to explore this fundamental phenomenon.
Each year, the DOE Office of Science write profiles on past NSB competitors. These features include their memories of their high school adventures and information on their education and career accomplishments.
A new technique synchronized high-energy electrons with an ultrafast laser pulse to probe how vibrational states of atoms change in time.
A new energy-efficient separation of rare earth elements could provide a new domestic source of critical materials.
A new model identifies a high degree of fluctuations in the glue-like particles that bind quarks within protons as essential to explaining proton structure.
Supercomputing calculations confirm that rare nickel-78 has unusual structure, offering insights into supernovas.
Natural carbon dioxide production from deep subsurface soils contributes significantly to emissions, even in a semiarid floodplain.
Straining a thin film controllably allows tuning of the materials’ magnetic, electronic, and catalytic properties, essential for new energy and electronic devices.
Study models soil-pore features that hold or release carbon dioxide.
Scientists use LIDAR and radar data to study bird migration patterns, thanks to the Atmospheric Radiation Measurement (ARM) Climate Research Facility.
A whole new area of research emerged from the discovery of superconductivity in 1911. Since then, scientists have learned why some materials superconduct near absolute zero and have discovered “high-temperature” superconductors. Now, researchers supported by the Department of Energy’s Office of Science are working to identify a common characteristic of high-temperature superconductors in hopes of one day developing one that works at room temperature.
Better storm surge prediction capabilities could help reduce the impacts of extreme weather events, such as hurricanes.
Scientists find that water-related energy consumption is increasing across the globe, with pronounced differences across regions and sectors.
New analysis uses detection and attribution methods to establish multiyear trends of vegetation growth in northern-extratropical latitudes.
Understanding interactions among organisms in complex microbial communities sheds new light on a globally significant environmental process.
Researchers discover the first CRISPR-Cas9 system in archaea, which may enable new technologies for biological research.
Feedbacks of clouds on climate change strongly influence the magnitude of global warming.
New publicly available database of DNA viruses and retroviruses debuts.
Bombarding a material with high-energy charged atoms heals, rather than damages, the atomic structure, which could lead to longer-lasting components for extreme environments.
Sticky molecules hop aboard oily floaters and may influence the amount of sunlight reflected by marine clouds.
Microscopic understanding offers fresh directions for discovering new materials to transmit energy without loss.
Separating chemicals is vital to manufacturing, water quality, and more. The relatively thick nature and inefficiency of separation techniques increases energy use. Scientists reconfigured thin films precisely to produce valuable materials by design.
Computer-designed molecular complex can be used in halogen-free electrolytes for batteries with superior performance.
Scientists identified defects responsible for detrimental blinking that limits nanoparticle use in LEDs, solar cells, and lasers.
Disentanglement reveals exotic magnetic properties in a ytterbium-based compound. The discovery provides yet another magnetic property that could be harnessed. These properties could aid in new approaches to high-performance computing and energy-efficient technologies.
Scientists experimentally validated the predicted damage mechanism for materials in nuclear energy environments.
Scientists apprehended the atomic-scale, microscopic mechanism that limits light emission in LED lighting.
Using a needle far thinner than a human hair, scientists reversibly changed a material’s hardness by up to 30 percent promises new functionalities for microphones and sensors.
Understanding how brown rot fungi degrade wood could lead to new tools for more efficient biofuel production.
For the first time, scientists analyzed the genetic material of surface microbes that are colonizing the deep subsurface, where they are adapting and thriving.
Powerful new computational methods now enable scientists to design a virtually unlimited variety of hyperstable peptide structures not found in nature. This research opens a new frontier in drug discovery.
Some global models underestimate the mean age of soil carbon. This underestimation results in an overestimation of soil’s carbon sequestration potential.
New model reveals the significant role of microbes in oceanic nutrient and energy cycling. The results of this work significantly improve the crude models of microbial activity in important oceanic zones and provide holistic insights into how microbes drive nutrient and energy flow.