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Supernova explosions, the catastrophic self-destruction of certain types of worn-out stars, are intimately tied to life on Earth because they are the birthplaces of heavy elements across the universe. At the time, about a decade ago, I was helping to refine a system for fabricating chips using extreme ultraviolet (EUV) light.
Organized by a group of 10 HKN students and led by recent graduate Christian Winingar from the Gamma Theta chapter at Missouri University of Science and Technolog y , in Rolla, the hackathon required more than seven months of planning. Light Emitting Resistor. Lambda Omega chapter at the National University of Singapore.
European autonomous advancements Mercedes-Benz has received approval for special marker lights as part of its automated driving tests in Germany. The turquoise exterior lighting, now permitted by special exemption, indicates to other road users whether the conditionally automated driving function is activated.
The mission control room at Johns Hopkins University Applied Physics Lab in Laurel, Md., The University of Hawaii’s Asteroid Terrestrial-impact Last Alert System (ATLAS) station, in Chile plays a critical role in these observations of NEOs, which are asteroids orbiting near Earth’s orbit. “I Then the images abruptly stopped.
Researchers with the Energy Biosciences Institute, University of California, Berkeley have provided insight into how multiple cellulase enzymes attack cellulose, potentially yielding a way to improve the collective catalytic activity of enzyme cocktails that can boost the yields of sugars for making fuels. Source: Berkeley Lab.
A new study led by researchers from Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory and Lawrence Berkeley National Laboratory has provided insight into a phenomenon that both helps and hurts Li-ion battery performance. V versus Li/Li+ in a variety of oxide materials. —Hong et al.
A team from Nankai University (Tianjin, China) has shown that “MXenes”—exfoliated 2D carbide and carbonitride nanosheets that are structurally similar to graphene, where M represents transition metals, and X is either C or/and N—are promising anode materials for Li-ion batteries. —Tang et al.
Located in Menlo Park, California, SLAC is operated by Stanford University for the US Department of Energy Office of Science. This work was supported by DOE’s Office of Science, the Swedish National Research Council, the Danish Center for Scientific Computing, the Volkswagen Foundation and the Lundbeck Foundation. Resources. Dell’Angela, T.
Twenty-three of the projects receiving funding are headed by universities, eight are led by the Energy Department’s National Laboratories and one project is run by a non-profit organization. Light-Material Interactions in Energy Conversion (LMI). University of California, Berkeley. University of California, Riverside.
The optimized photo-electrochemical water splitting device uses light absorbers made of silicon arranged in closely packed pillars, dotted with tiny clusters of the new molybdenum sulfide catalyst. Damsgaard, Thomas Pedersen and Ole Hansen, Technical University of Denmark. Image courtesy of Christian D. Click to enlarge.
It was the first time this approach—known as “scientific machine learning”—has been applied to battery cycling, said Will Chueh, an associate professor at Stanford University and investigator with the Department of Energy’s SLAC National Accelerator Laboratory who led the study. Resources.
Researchers from the US Department of Energy’s Brookhaven National Laboratory and Stony Brook University have combined in situ EDXRD with ex situ XRD and XAS measurements to visualize the formation of the conductive silver matrix within an Ag 2 VP 2 O 8 electrode used in a specialized medical battery. —Kirshenbaum et al.
In-use testing of three light duty diesel vehicles—certified to US-EPA Tier2-Bin5 and California LEV-II ULEV emissions limits— found a wide variation in real world emissions performance relative to the regulatory limits. Kappanna (2014) “ In-use emissions testing of light-duty diesel vehicles in the US ”. diesels and one 3.0L
Scientists from the Department of Energy’s SLAC National Accelerator Laboratory and Stanford University have taken the first images of carbon dioxide molecules within a molecular cage—part of a metal-organic framework (MOF), with great potential for separating and storing gases and liquids.
The Department of Energy’s SLAC National Accelerator Laboratory and Stanford University have launched a new joint battery center at SLAC. It will bring together the resources and expertise of the national lab, the university and Silicon Valley to accelerate the deployment of batteries and other energy storage solutions.
Engineers at the University of California San Diego have shed new light on the atomic-level mechanism of the sulfur embrittlement of nickel, a classic problem that has puzzled the scientific community for nearly a century. These are of broad technological importance. —Jian Luo. —Jian Luo. —Jian Luo.
Transport models are uncertain ,” says Stephanie Ewing, lead author of the paper and an assistant professor of pedology and soil biogeochemistry at Montana State University. of Berkeley Lab’s Advanced Light Source, a national user facility that generates intense x-rays to probe the fundamental properties of substances.
Rice University nanoscientists have demonstrated a new catalyst that can convert ammonia into hydrogen fuel at ambient pressure using only light energy, mainly due to a plasmonic effect that makes the catalyst more efficient. Photo by LANP/Rice University). That was the first generation.
Geographers from Dartmouth College and the University of Sheffield have provided new insight into the economic geography of commuter megaregions in the US by using an empirical approach that combines visual interpretation with statistical analysis.
New research led by the University of Leicester in the UK has made a novel breakthrough in understanding how solidification cracking occurs during the welding of steel, an important engineering alloy. —Professor Hong Dong from the University of Leicester Department of Engineering.
Now, researchers from Sandia National Laboratory’s Combustion Research Facility, the University of Manchester and the University of Bristol report in a paper in Science the first direct kinetics measurements made of reactions of any gas-phase Criegee intermediate, in this case formaldehyde oxide (CH 2 OO). —Welz et al.
An international team of researchers led by a group from the University of Manchester in the UK has used a biological technique which won the 2017 Nobel Chemistry Prize to reveal 3D atomic-scale chemistry in metal nanoparticles used as catalysts. —Professor Sarah Haigh, from the School of Materials, University of Manchester.
35 new businesses, non-profits, universities, and utilities signing on to DOE’s Workplace Charging Challenge and committing to provide electric vehicle charging access for their workforce. Dayton Power & Light Company. Florida Power and Light Company. Hawai`i Electric Light. Indianapolis Power & Light Company.
The key to a PEC’s success lies not only in how well its photoelectrode reacts with light to produce hydrogen, but also oxygen. Eichhorn, who is currently at the Walter Schottky Institute of the Technical University of Munich in Germany was a researcher in Berkeley Lab’s Chemical Sciences Division at the time of the study.).
This work paves the way toward practical sodium-ion batteries, and the fundamental insights we gained about the cathode-electrolyte interaction shed light on how we might develop future cobalt-free or low cobalt cathode materials in sodium-ion batteries as well as in other types of battery chemistries.
CoalTek, teaming with the University of Kentucky Center for Applied Energy Research in Lexington, Ky., Duke University in Durham, N.C., and the University of North Dakota Energy and Environment Research Center in Grand Forks, N.D., Virginia Polytechnic Institute and State University (Blacksburg, Va.)-Partnering
The proposed Keystone XL pipeline for transporting oilsands-derived crude to Gulf Coast refineries would have “ no material impact ” on US greenhouse gas (GHG) emissions, according to a new Insight report by IHS CERA. —IHS Cera Insight on Keystone XL. —IHS CERA Insight. —IHS CERA Insight.
Vanns, who now works at Disney -owned Industrial Light & Magic , in London, was an avid cinephile growing up. Vanns decided to combine his interests, majoring in computer science and music at Canterbury Christ Church University , in Canterbury, England. Their software is still being used today.
Light detection and ranging (lidar) technology provides a three-dimensional map of all objects around the vehicle regardless of external lighting conditions, and as such can be a key element in autonomous vehicle (AV) and advanced driver assistance systems (ADAS). Tesla being a notable holdout so far.) —Jeremy Bos.
Scientists from Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory have captured the first atomic-level images of dendrites that can pierce the barrier between battery compartments and trigger short circuits or fires. Yuzhang Li/Stanford University). That’s what we do with cryo-EM.
The work provides strategic insight on where in the world to reduce emissions of pollutants that form ozone. Ozone, a greenhouse gas and toxic air pollutant, is not emitted but forms when ultraviolet light hits nitrogen oxides. Jason West, corresponding author.
The new measurements will provide further insight into hydrocarbon combustion and atmospheric chemistry. The research was funded by the US Department of Energy’s Office of Science and conducted using the Advanced Light Source, a scientific user facility also supported by the DOE Office of Science. Earlier post.). Eskola, John D.
Ford Motor Company is extending its global electric vehicles plan to Europe with five full electric or hybrid vehicles across its C, CD and light commercial vehicle ranges to be introduced in that market by 2013. The other partners are utility company RheinEnergie AG, the City of Cologne and the University of Duisburg-Essen.
The results, they said, may provide insight into the formation, stabilization and performance of bimetallic nanoparticles for catalytic reactions. The Pd-islands (light-brown spheres) are embedded in an environment of tungsten (blue spheres). Source: Umeå University. A schematic model of the unique morphology of the alloy.
The self-driving S-Class had to deal autonomously with a number of highly complex situations such as traffic lights, roundabouts, pedestrians, cyclists and trams. Traffic lights are monitored by a color camera behind the windscreen with a 90-degree opening angle. Initial testing. Autonomous navigation of roundabouts. Click to enlarge.
A team of researchers at Sandia’s Combustion Research Facility and the Technical University of Denmark have developed an optical setup for quantitative, high-temporal resolution line-of-sight extinction imaging in harsh optical environments. The soot cloud downstream appears dark mainly due to absorption of light by the soot particles.
nm), the energy conversion efficiency and apparent quantum yield reaches ~8.75% and ~20%, respectively—the highest values ever reported for one-step visible-light driven photocatalytic overall pure water splitting. The gallium nitride turns light, or photons, into mobile electrons and positively charged vacancies called holes.
One focus of the project will be centered on light- and heavy-duty vehicles running on gasoline/ethanol blends in order to improve engine efficiency and lower emissions. The LTC research project has three proposed components. Click to enlarge.
published on the company’s site, three of the Zendrive team (from the University of Illinois) report that smartphones can attain speed estimations that correlate 98% to OBD without energy constraints, and around 94.6% —Ulrich Quay. In a whitepaper (Meng et al. to OBD when GPS is completely turned off.
Left, global light-duty fleet in the electric-favoring case; right, the hydrogen-favoring case. While the model we have used is simple in some respects and has limitations, it nevertheless provides the first insight into the existence and magnitude of this effect. Top, without CCS and CSP; bottom, with CCS and CSP. Click to enlarge.
Unfortunately, there is limited insight into the distribution and activity of individual zeolitic domains at different life stages. As soon as such a molecule is in the vicinity of the acid sites it emits green fluorescing light. Under a fluorescence microscope we made a 3D map of the active sites in such spheres.
A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal. Pacala, Princeton University; James J. Chameides, Duke University; and Steven P. Alvarez, Environmental Defense Fund (EDF); Stephen W.
Scientists at the Helmholtz Center for Materials and Energy (HZB) in collaboration with the School of Chemistry and ARC Centre of Excellence for Electromaterials Science at Monash University, Australia, have precisely characterized the electronic states of a manganese (Mn) water-splitting catalyst for artificial photosynthesis.
In a review published in the journal Chem of the technical issues generated by the mating of Li-metal anodes and solid-state electrolytes, a team from Tsinghua University concludes that such solid-state lithium metal batteries (SSLMBs) have “ brilliant prospects, though practically there are still many barriers to be overcome. ”.
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