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
Accelerator Applications
The division was organized to promote the advancement of knowledge of the use of particle accelerator technologies for nuclear and other applications. It focuses on production of neutrons and other particles, utilization of these particles for scientific or industrial purposes, such as the production or destruction of radionuclides significant to energy, medicine, defense or other endeavors, as well as imaging and diagnostics.
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
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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.
Michel Rome, Massimo Salvatores, Jacques Mondot, Michel Le Bars
Nuclear Technology | Volume 94 | Number 1 | April 1991 | Pages 87-98
Technical Paper | Nuclear Fuel Cycle | doi.org/10.13182/NT91-A16224
Articles are hosted by Taylor and Francis Online.
Spent fuel has been reprocessed in France since the beginning of the French nuclear program. In June 1985, it was decided to recycle plutonium in French pressurized water reactor (PWR) plants. A generic safety report for the Electricité de France 900-MW PWR issued in 1986 demonstrated the feasibility of recycling mixed-oxide (MOX) fuel with a maximum ratio of 30% MOX assemblies in each reload for a total of one-third of the annual core cycle. Between November 1987 and the beginning of 1990, seven MOX reloads were introduced in four reactors. The 2 yr of experience in plutonium reload operations in the French 900-MW PWR is described.
