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Theoretical condensed matter physicist Cristian Batista brings advanced knowledge of theory to expand upon the experimental physics research conducted at ORNL. (Image credit: Genevieve Martin)
Theory and experiment push each other to expand the frontiers of physics. Now, the Neutron Sciences Directorate at the Department of Energy’s Oak Ridge National Laboratory has both. Cristian Batista, a theoretical condensed matter physicist with a joint appointment at ORNL and th...
ORNL will lend computational resources such as its Titan supercomputer to support the Cancer Moonshot effort.

The Department of Energy’s Oak Ridge National Laboratory will add its computational know-how to the battle against cancer through several new projects recently announced at the White House Cancer Moonshot Summit. 

OLCF Vimeo Screenshot

While trying to fatten the atom in 1938, German chemist Otto Hahn accidentally split it instead. This surprising discovery put modern science on the fast track to the atomic age and to the realization of technologies with profound potential for great harm or great help. Altho...

Ron Graves (right) with fellow Tennessee Automotive Manufacturers Association Hall of Fame inductee former Gov. Phil Bredesen (left) and TAMA President Rick Youngblood.

Sitting in the driver’s seat comes naturally to Ron Graves, the recently retired head of Oak Ridge National Laboratory’s sustainable transportation program. Graves has logged more than 100 days on national racetracks like Daytona, Road Atlanta, and Pocono where he routinely reache...

2016 Billion-Ton Report

The 2016 Billion Ton Report, jointly released by the U.S. Department of Energy and Oak Ridge National Laboratory, concludes that the United States has the potential to sustainably produce at least 1 billion dry tons of nonfood biomass resources annually by 2040.

Simon Pallin

A scientist that sings opera and performs in musical theater? Sure. If you're a Renaissance Man like Simon Pallin. Pallin is a researcher in Oak Ridge National Laboratory’s Buildings Technologies Research & Integration Center. But his early interests and activities reveal a versatile person that could have chosen a number of occupations.

The image above shows the chain of the studied calcium isotopes. The “doubly magic” isotopes with mass numbers 40 (Ca-40) and 48 (Ca-48) exhibit equal charge radii. The first measurement of the charge radius in Ca-52 yielded an unexpectedly large result.

For decades nuclear physicists have tried to learn more about which elements, or their various isotopes, are “magic.” This is not to say that they display supernatural powers. Magic atomic nuclei are composed of “magic” numbers of protons and neutrons—collectively called nucleons—such as 2, 8, 20, and 28.

Temperature is represented by different colors for this heat sink for a 50-kilowatt DC-to-DC converter with red being the hottest.
Increased power densities in electronics will require more efficient heat sinks, and additive manufacturing combined with a simple thermal annealing process could help designers meet that goal. A team that includes Oak Ridge National Laboratory’s Tong Wu reported that while a 3-D printed aluminum alloy heat sink equaled or measured 10 percent worse than those manufactured conventionally, after the treatment the performance gap vanished.
Temperature is represented by different colors for this heat sink for a 50-kilowatt DC-to-DC converter with red being the hottest.

Production run spot checks of materials for lithium-ion batteries and fuel cells could be a thing of the past because of a process developed at Oak Ridge National Laboratory. The infrared/thermal nondestructive evaluation technique invented by a team led by David Wood examines key parameters such as porosity and thickness of the coating in real time without destroying product.

ORNL Image
Since the discovery of high-temperature superconductors — materials that can transport electricity with perfect efficiency at or near liquid nitrogen temperatures (minus-196 degrees Celsius) — scientists have been working to develop a theory that explains their essential physics.