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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
June 2025
Nuclear Technology
May 2025
Fusion Science and Technology
Latest News
Sam Altman steps down as Oklo board chair
Advanced nuclear company Oklo Inc. has new leadership for its board of directors as billionaire Sam Altman is stepping down from the position he has held since 2015. The move is meant to open new partnership opportunities with OpenAI, where Altman is CEO, and other artificial intelligence companies.
Technical Session|Fission Surface Power
Monday, May 5, 2025|1:00–2:40PM CDT|Atlantis/Discovery/Columbia (Marriott)
Session Chair:
Mark Lefebvre (NASA Glenn Research Center)
Session Organizer:
Alternate Chair:
Robert Okojie (NASA Glenn Research Center)
Track Organizer:
Harold Gerrish (Marshall Space Flight Center)
Space fission power systems will require development of novel materials and manufacturing techniques to withstand the harsh combined space and radiation environment. This technical session will offer insight into several recent activities relating to the analysis and development of advanced manufacturing techniques as well as discussions of the challenges facing neutron moderator materials in space.
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Optimizing Additive Manufacturing of Metallic Hydrides Using Cellulose-Based Hydrogels for Advanced Reactor Applications
1:00–1:25PM CDT
Timothy F. DeFranco (Univ. Michigan, Ann Arbor), Kevin G. Field (Univ. Michigan, Ann Arbor)
Paper
The Difficulties of Using a Neutron Moderator in Space Reactors
1:25–1:50PM CDT
David I. Poston (Space Nuclear Power Corp.)
Experimental Analysis of Radiation Shielding Performance of Sintered, Cast, and 3D-Printed Lunar Regolith for Space Applications
1:50–2:15PM CDT
Joshua Gogolski (Pajarito Scientific Co.)
Fabrication of Inconel 718-CNT Composites for Structural Nuclear Applications
2:15–2:40PM CDT
Matthew J. Lynch (Univ. Michigan), Mirza A. Shawon (Stony Brook Univ.), Jason R. Trelewicz (Stony Brook Univ.), Kevin G. Field (Univ. Michigan)
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