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
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
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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Nuclear Science and Engineering
May 2025
Nuclear Technology
Fusion Science and Technology
Latest News
TerraPower begins U.K. regulatory approval process
Seattle-based TerraPower signaled its interest this week in building its Natrium small modular reactor in the United Kingdom, the company announced.
TerraPower sent a letter to the U.K.’s Department for Energy Security and Net Zero, formally establishing its intention to enter the U.K. generic design assessment (GDA) process. This is TerraPower’s first step in deployment of its Natrium technology—a 345-MW sodium fast reactor coupled with a molten salt energy storage unit—on the international stage.
W. O. Greenhalgh, D. T. Ott
Nuclear Technology | Volume 34 | Number 1 | June 1977 | Pages 111-113
Technical Paper | Radioisotope | doi.org/10.13182/NT77-A31835
Articles are hosted by Taylor and Francis Online.
An improved greenhouse design has been proposed and tested for use at the Hanford Engineering Development Laboratory for containing radioactive materials during decontamination, maintenance, and remodeling operations in nuclear facilities. The advantages of the greenhouse design include a reusable frame that is free standing and self-supporting and a plastic enclosure that is easily erected and attached to the frame. Manpower requirements appear to be about half that of the conventional greenhouse, the construction costs are ∼20 to 40% lower, and the waste generated from the greenhouse is ∼60% lower.
