ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
Meeting Spotlight
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver Downtown
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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May 2025
Latest News
Argonne’s METL gears up to test more sodium fast reactor components
Argonne National Laboratory has successfully swapped out an aging cold trap in the sodium test loop called METL (Mechanisms Engineering Test Loop), the Department of Energy announced April 23. The upgrade is the first of its kind in the United States in more than 30 years, according to the DOE, and will help test components and operations for the sodium-cooled fast reactors being developed now.
Steven D. Clement
Nuclear Science and Engineering | Volume 145 | Number 1 | September 2003 | Pages 72-83
Technical Paper | doi.org/10.13182/NSE03-A2364
Articles are hosted by Taylor and Francis Online.
Much of the research performed at the Los Alamos Critical Experiments Facility (LACEF) today is in direct support of the U.S. Department of Energy (DOE)/National Nuclear Security Administration's (NNSA's) Nuclear Criticality Safety Program (NCSP). A key component of this support includes performing high-priority critical and subcritical experiments and then analyzing and documenting those experiments as benchmarks for the International Criticality Safety Benchmark Evaluation Project (ICSBEP). The current complement of five operational critical assemblies is described, and an overview of LACEF support for the DOE/NNSA NCSP and the ICSBEP is presented.