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Virtual universes

Using Summit, the world’s most powerful supercomputer housed at Oak Ridge National Laboratory, a team led by Argonne National Laboratory ran three of the largest cosmological simulations known to date.

Mussel-like stickiness

Scientists at Oak Ridge National Laboratory have developed a new, stretchy plant-derived material that outperforms the adhesiveness of the natural chemical that gives mussels the ability to stick to rocks and ships.

ORNL researchers printed thin metal walls using large-scale metal additive manufacturing, a wire-arc process that demonstrated stability, uniformity and precise geometry throughout the deposition. The method could be a viable option for large-scale additive manufacturing of metal components. ORNL collaborated with industry partner Lincoln Electric. Credit: Oak Ridge National Laboratory, U.S. Dept. of Energy

A novel additive manufacturing method developed by researchers at Oak Ridge National Laboratory could be a promising alternative for low-cost, high-quality production of large-scale metal parts with less material waste.

Small modular reactor computer simulation

In a step toward advancing small modular nuclear reactor designs, scientists at Oak Ridge National Laboratory have run reactor simulations on ORNL supercomputer Summit with greater-than-expected computational efficiency.

ORNL researcher Sheng Dai has been elected fellow of the Materials Research Society.

OAK RIDGE, Tenn., May 1, 2019 – Sheng Dai, a researcher at the Department of Energy’s Oak Ridge National Laboratory, has been elected fellow of the Materials Research Society (MRS).

Sweetwater High School senior Will Brackett (left) is congratulated by ORNL Director Thomas Zacharia on receiving the 2019 UT-Battelle Scholarship.

OAK RIDGE, Tenn., April 29, 2019 – Sweetwater High School senior William Daniel Brackett has been named recipient of the 2019 UT-Battelle Scholarship to attend the University of Tennessee (UT).

Sachin Nimbalkar

Sachin Nimbalkar may have grown up in a small town in the shadows of India’s Sahyadri Mountains dreaming of outer space, but it’s the science of conserving energy in inner space where the engineer has made his mark.

Scott Smith holding machined aluminum part

When Scott Smith looks at a machine tool, he thinks not about what the powerful equipment used to shape metal can do – he’s imagining what it could do with the right added parts and strategies. As ORNL’s leader for a newly formed group, Machining and Machine Tool Research, Smith will have the opportunity to do just that.

The illustrations show how the correlation between lattice distortion and proton binding energy in a material affects proton conduction in different environments. Mitigating this interaction could help researchers improve the ionic conductivity of solid materials.

Ionic conduction involves the movement of ions from one location to another inside a material. The ions travel through point defects, which are irregularities in the otherwise consistent arrangement of atoms known as the crystal lattice. This sometimes sluggish process can limit the performance and efficiency of fuel cells, batteries, and other energy storage technologies.

Candice Halbert

First, she wanted to be a postal worker just like her grandfather. Then, she wanted to be a teacher just like her mother. But ultimately, Candice Halbert chose a path all her own and now she is inspiring the next generation to be scientists—just like her.