ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
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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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Apr 2025
Jan 2025
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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.
Technical Session|Panel|Sponsored by ETWDD
Tuesday, June 13, 2023|3:15–5:00PM EDT|Marriott 3
Session Chair:
Sola Talabi
Session Organizer:
Alternate Chair:
Todd R. Allen
Panelists will include representatives of The Pennsylvania State University's Post-Industrial and Midwest Nuclear Alliance initiative. Addressing global warming and global energy poverty are inextricably tied because developing energy infrastructure with fossil options exacerbates climate change. The United Nations (UN) agreement on a "Framework Convention on Climate Change" identified the need for worldwide nuclear power increase from 400 GW to 1000 GW by 2050, with up to 30% of this generation deployed in developing countries. For context, meeting the UN's recommended nuclear power increase, requires approximately five hundred 300Mwe nuclear plants to be deployed across Africa alone. Responsible deployment and operation of nuclear power requires an assurance that safety and security requirements are well established and operationalized. These assurances have historically been provided in developed nations by well-established institutions and robust regulatory frameworks. However, these approaches were initially developed in the 1960s and 70s, based on the risks that were relevant to existing large light water reactors. Considering 1) advanced reactors and current enabling technologies mitigate and also make certain risks no longer credible, and 2) emerging nations may lack these types of institutions and frameworks, it is imperative that new paradigms are developed to enable the safe and secure deployment of nuclear power in developing countries based on a recognition of the technology to the extent that they ameliorate the capability limitations. This panel will explore the historical reasons why nuclear power has not been more widely deployed in developing countries through the lens of Diversity, Equity and Inclusion; Diversity of markets, Equity in terms of vulnerability to climate change, and Inclusion in terms of participation and benefitting from nuclear power. It will also address how these historical challenges may now be addressed with advanced reactor technology and also the need for increased and meaningful engagement.
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