Operators load a TRU waste drum into a real-time radiography unit for characterization at the Solid Waste Management Facility at the Savannah River Site. (Photos: DOE)
Operators at the Savannah River Site’s Solid Waste Management Facility can now characterize and certify newly generated TRU waste through the use of a real-time radiography unit that uses an X-ray system to examine the contents of waste containers. The equipment was recently installed to meet updated requirements set by the Department of Energy’s National TRU Program that involve evaluating the containers for chemical compatibility and oxidizing chemicals.
The shipments of TRU waste from SRS, in South Carolina, are sent to the Waste Isolation Pilot Plant (WIPP), in New Mexico, for disposal.
An illustration of the two inertial confinement fusion designs reaching the burning plasma regime, as published in a recent article in Nature. (Image: LLNL)
One of the last remaining milestones in fusion research before attaining ignition and self-sustaining energy production is creating a burning plasma, where the fusion reactions themselves are the primary source of heating in the plasma. A paper published in the journal Nature on January 26 describes recent experiments at Lawrence Livermore National Laboratory’s National Ignition Facility (NIF) that have achieved a burning plasma state.
LLNL and Penn State researchers developed a new approach to study and purify medical isotopes, including actinium. (Image: Thomas Reason/LLNL)
Scientists at Lawrence Livermore National Laboratory and Pennsylvania State University have demonstrated that a natural protein found bonded to rare earth elements can be recovered and used as a tool to purify and effectively manage radioactive metals that show promise for cancer therapy and the detection of illicit nuclear activities.
During a fluorescence spectroscopy experiment at LLNL, the protein lanmodulin makes radioactive curium glow when exposed to UV light in the sample to the right. The schematic (left) represents the structure of the curium-protein complex, with three curium atoms bound per molecule of protein. (Photo: LLNL)
Scientists at Lawrence Livermore National Laboratory, working in collaboration with researchers at Penn State University and Harvard Medical School, have discovered a new mechanism by which radionuclides could spread in the environment.
The research, which has implications for nuclear waste management and environmental chemistry, was published in the Journal of the American Chemical Society on September 20.
A color-enhanced photograph of the NIF target bay. (Photo: LLNL/Damien Jemison)
Lawrence Livermore National Laboratory is celebrating the yield from an experiment at the National Ignition Facility (NIF) of more than 1.3 megajoules of energy—eight times more than the yield from experiments conducted this spring and 25 times more than NIF’s 2018 record yield.
In this illustration of the effects of two neutron yields (50 kt and 1 Mt) and two neutron energies (14.1 MeV and 1 MeV), the black dots represent the location of a nuclear device. Dark blue indicates where the asteroid remains solid, while all other colors show where material has been melted or vaporized. The illustration depicts asteroids with 0.8-m and 5-m diameters—much smaller than the 300-m asteroid simulated in the study—to enhance the visibility of the area of the energy deposition. Image: LLNL
A research collaboration between Lawrence Livermore National Laboratory and the Air Force Institute of Technology (AFIT) has investigated how the neutron energy generated by the detonation of a nuclear device could affect the path and speed of an asteroid on a collision course with Earth by melting and vaporizing a portion of the asteroid. The research, which compared the deflection caused by two different neutron energies—14.1 MeV and 1 MeV, representing fusion and fission neutrons, respectively—is described in an article published by LLNL on April 8.