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Applications now open for Department of Energy Computational Science Graduate Fellowship

DOE/US Department of Energy
Grant and Award Announcement

The U.S. Department of Energy (DOE) today announced a fellowship open to all U.S. students pursuing doctoral degrees in fields that use high-performance computing to solve complex science and engineering problems.

Cool journey to the center of the Earth

DOE/US Department of Energy

Patience and complexity are the hallmarks of fundamental scientific research. It takes time to do what we do at the Department of Energy (DOE) Office of Science.

Case in point: Technical staff at the DOE’s Fermi National Accelerator Laboratory have built a prototype of a superconducting cryomodule for the Proton Improvement Plan II (PIP-II) project.

For heating plasma in fusion devices, researchers unravel how electrons respond to neutral beam injection

DOE/US Department of Energy

Plasmas for fusion research can be heated using neutral beam injection (NBI). With NBI, fast neutral particles from a beam source are injected into the plasma then ionized so that the particles can transfer energy to existing plasma electrons and ions. This transfers the ions’ energy and heats the plasma. Researchers recently studied the variation in electron temperature during NBI and used the data to experimentally determine the neutral beam deposition profile.

Journal: Physics of Plasmas

Emergent device boosts neuromorphic computing

DOE/US Department of Energy

Researchers have shown that a novel memristor device consisting of metal, dielectric, and metal layers remembers the history of electrical signals sent through it. The interface between metal and dielectric in the novel device is critical for stable switching and enhanced performance. Simulations indicate that circuits built on this device exhibit improved image recognition.

Journal: Advanced Intelligent Systems

A new view of the in-between years of our universe

DOE/US Department of Energy

Just like we use photos to reflect on memories of our past, astrophysicists want to use images of far-off galaxies to understand what the universe was like in its juvenile years. But current imaging technology can only reach so far back in history -- 90 to 95 percent of the volume of our 14-billion-year-old universe remains unseen.

Engineered yellow-seeded camelina packs more oil

DOE/US Department of Energy

In oilseed crops like canola, yellow-seeded varieties generally produce more oil than brown-seeded varieties. Camelina, a bioenergy crop closely related to canola, usually has brown seeds. Scientists have now disrupted genes called TT8 that are responsible for making seeds brown, producing an engineered camelina with light yellow seeds that accumulates more than 20% more oil than ordinary varieties.

Journal: Plant Biotechnology Journal

Calling all university faculty: Accepting applications for summer 2025 visiting faculty program

DOE/US Department of Energy
Grant and Award Announcement

College and university faculty at emerging research institutions are invited to apply to collaborate with national laboratory scientific research staff on research projects of mutual interest, the Department of Energy (DOE) Office of Science announced today.

Discover science: Applications open for summer 2025 undergraduate internships

DOE/US Department of Energy
Grant and Award Announcement

As the nation continues to build a diverse, clean-energy workforce, the Department of Energy (DOE) today announced that applications are being accepted for the Summer 2025 term of two undergraduate internship programs.

In a fusion device plasma, a steep ion temperature gradient slows the growth of magnetic islands

DOE/US Department of Energy

Pockets of instability called magnetic islands in the plasma in a fusion device can disrupt plasma confinement. Scientists predict that islands grow because of the temperatures of electrons and ions in a plasma flattening out within the island, but ion temperatures have not been previously measured. In this new research, researchers found that contrary to expectations, the ion temperature profile did not flatten but instead exhibited a steep change across islands.

Journal: Physical Review Letters

Making difficult quantum many-body calculations possible

DOE/US Department of Energy

One of the methods scientists use to study quantum many-body systems is the ab initio approach, but some ab initio methods run into severe computational problems when using realistic interactions. This study introduces wavefunction matching and uses it to perform lattice simulations with realistic interactions. This allows scientists to make calculations that were once impossible.

Journal: Nature

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