Science Highlights

A time sequence of three-dimensional views shows a stable whirlpool (red) is formed from a decaying vortex ring (time index 160), eventually straightening out (200 and 350).

Mystery Object in Ultracold Superfluids Identified in New Simulation

Computational algorithms show whirlpools, not disks, form and dissipate on fluid’s surface. Read More »

Snapshots of a helium bubble just before bursting when grown at slow versus fast rates.

Double, Double Toil and Trouble: Tungsten Burn and Helium Bubbles

New models reveal the impact of competing processes on helium bubble formation in plasma-exposed tungsten. Read More »

Illustration of the catalytic oxygen reduction reaction on the surface of platinum-nickel nanoframes with multilayered platinum skin structure.

Multimetal Nanoframes Improve Catalyst Performance

Concentrating noble-metal catalyst atoms on the surface of porous nano-frame alloys shows over thirty-fold increase in performance. Read More »

Changes in the crystal structure and electronic properties of vanadium dioxide (VO2) occur during its insulator-to-metal phase transition (V blue; O red).

Insulator-to-Metal Transition of Vanadium Dioxide

New studies explain the transition, providing a quantitative picture of a 50-year-old mystery. Read More »

Crystal structure of the parent compound of a calcium-strontium-based cuprate superconductor [(Ca/Sr)2CuO3]...

Predicting Magnetic Behavior in Copper Oxide Superconductors

New theoretical techniques predict experimental observations in superconducting materials. Read More »

Difference between calculated and experimentally measured masses of oxygen isotopes as a function of mass number.

Streamlining the Nuclear Force

An optimized nuclear force model yields a high-precision interaction with an unexpected descriptive power. Read More »

Jefferson Lab's K20 supercomputer.

Supercomputing on a Budget

The optimization of commercial hardware and specialized software enables cost-effective supercomputing. Read More »

Calculations predict the zeolite structure schematically shown in the figure will effectively capture methane from a low-quality natural gas mixture of carbon dioxide (CO2) and methane (CH4).

Discovery of New Materials to Capture Methane

Predicted materials could economically produce high-purity methane from natural gas systems and separate methane from coal mine ventilation systems. Read More »

Laser Plasma Wakefield Acceleration

How Accelerator Physicists Save Time

A boosted frame of reference boosts the speed of calculations. Read More »

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