麻豆传媒

Department of Energy, Office of Science
Washington, DC USA

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Bromoform Molecules Like to Rearrange Their Atoms

For the first time, scientists can distinguish the proportion of bromoform molecules that directly break bonds (dissociate) vs. those that rearrange (isomerize). This is an important step toward understanding the formation of bromoform isomers,...
19-Nov-2024 11:00 AM EST Add to Favorites

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Adjusting Accelerators with Help from Machine Learning

Banks of computer screens stacked two and three high line the walls. The screens are covered with numbers and graphs that are unintelligible to an untrained eye. But they tell a story to the operators staffing the particle accelerator control room....
18-Nov-2024 10:00 AM EST Add to Favorites

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Scientists Gain New Insights into How Mass Is Distributed in Hadrons

The trace anomaly is one of the quantities that encodes the energy and momentum of particles built from quarks. Scientists believe the trace anomaly is crucial for keeping quarks bonded in subatomic particles. In this study, scientists calculated...
14-Nov-2024 5:20 PM EST Add to Favorites

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Tuning the Catalytic Behavior of Metal Oxides

The behavior of catalysts that promote chemical reactions is not always straightforward. Using a combination of experiments and computer simulations, scientists now understand how oxygen affects the way the catalyst copper oxide reacts with hydrogen...
12-Nov-2024 2:45 PM EST Add to Favorites

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Probing Neutron Star Crusts with Artificial Neural Networks

The inner crust of a neutron star is characterized by the presence of a neutron superfluid. To accurately predict the properties of neutron matter in this state, researchers make theoretical calculations that typically assume that neutrons form...
8-Nov-2024 4:05 PM EST Add to Favorites

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鈥淪eeing鈥� More Sharply into Self-Assembled Nanomaterials

To build nanostructures, researchers need to probe these structures鈥� internal architecture at various states of assembly in three dimensions. This project used several methods to produce X-ray computed tomography (CT) scans that provided...
6-Nov-2024 4:25 PM EST Add to Favorites

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For Layered 2D Materials, Robotics Produces Cleaner Interfaces Between Stacked Sheets

Layered assembly of 2D materials such as graphene have potential roles in the development of new electronic devices. Manufacturing these materials at a large scale while making them atomically clean is a major challenge. In this study, researchers...
5-Nov-2024 2:45 PM EST Add to Favorites

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Belle II Detector Produces World鈥檚 Most Precise Measurements of Subatomic Particle Lifetimes

The new Belle II experiment recently made a world-leading measurement of the lifetime of a particular charmed baryon, a particle that is produced and decays very quickly under very high energy levels similar to the universe shortly after the Big...
4-Nov-2024 9:20 AM EST Add to Favorites


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Kevin Wilson: Then and Now / 2012 Early Career Award Winner

Kevin Wilson studies how chemistry proceeds at liquid interfaces on cloud droplets, atmospheric aerosols, and ocean surfaces. With the support of his 2012 Early Career award, his team focused on reactions between gases and surfaces of ozone and...
12-Jun-2023 10:55 AM EDT

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Paul Romatschke: Then and Now / 2012 Early Career Award Winner

Paul Romatschke is a professor in the Department of Physics at the University of Colorado Boulder, and a fellow at the Center for Theory of Quantum Matter, also at the University of Colorado Boulder.
22-May-2023 11:05 AM EDT

Meet the Director: Ken Andersen

Ken Andersen is the associate laboratory director of the Spallation Neutron Source and the High Flux Isotope Reactor in Oak Ridge, Tennessee. This is a continuing profile series on the directors of the Department of Energy (DOE) Office of Science...
23-Sep-2021 1:40 PM EDT

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Matt Law: Then and Now / 2010 Early Career Award Winner

Then and Now looks at what a 2010 Department of Energy Office of Science Early Career Award meant for Matt Law, now an associate professor in the Department of Chemistry at the University of California, Irvine.
23-Oct-2020 11:50 AM EDT

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Victoria Orphan: Then and Now

Victoria Orphan is the James Irvine Professor of Environmental Science and Geobiology in the Division of Geological and Planetary Sciences at the California Institute of Technology.
24-Aug-2020 3:55 PM EDT

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Martin Centurion: Then and Now

Martin Centurion is the Susan J. Rosowski Associate Professor in the Department of Physics and Astronomy at the University of Nebraska-Lincoln.
24-Aug-2020 3:55 PM EDT

Athena Safa Sefat: Then and Now

Athena Safa Sefat is a Senior Research Scientist and a former Wigner Fellow in the Materials Science & Technology Division of the Physical Sciences Directorate at Oak Ridge National Laboratory.
13-Jul-2020 4:05 PM EDT

Colleen Iversen on Belowground Ecology

After working on a climate change experiment that showed plants adapt to additional carbon dioxide by putting extra carbon into their roots, Colleen Iverson has been on a mission to understand the role of roots in the environment, especially the...
13-Jul-2020 3:50 PM EDT

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