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
ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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
Nuclear Technology
April 2025
Fusion Science and Technology
Latest News
El Salvador: Looking to nuclear
In 2022, El Salvador’s leadership decided to expand its modest, mostly hydro- and geothermal-based electricity system, which is supported by expensive imported natural gas and diesel generation. They chose to use advanced nuclear reactors, preferably fueled by thorium-based fuels, to power their civilian efforts. The choice of thorium was made to inform the world that the reactor program was for civilian purposes only, and so they chose a fuel that was plentiful, easy to source and work with, and not a proliferation risk.
Challenge: Expedite nuclear education updates and knowledge transfer.
How: Expedite updates to the higher education Nuclear Engineering curriculum to better match today’s needs. It must include the cross-disciplinary nature of today’s research and the business and communications skills needed for an entrepreneurial path, while improving the transfer of knowledge and expertise in nuclear science and technology from the current generation to future generations.
Background: The nuclear workforce is aging, and the current university Nuclear Engineering curriculum needs to be updated. The average age of nuclear scientists and engineers in the nuclear energy industry, national laboratories, and universities is over 50. These professionals have a wealth of knowledge that is not necessarily written in books. As these workers leave the workforce, much of that knowledge is being lost.
Effective means to transfer that knowledge to the newest group of scientists and engineers needs to be developed and implemented. Additionally, the Nuclear Engineering curriculum in U.S. universities stands essentially unchanged over the past 20-plus years. With the advent of new reactor designs and the challenges within materials science to meet the needs of these new designs, the curriculum structure must be reviewed and updated to better meet the needs of industry, suppliers, and research organizations. Inclusion of courses in advanced reactor design, small reactor design and operation, and materials science may need to be included. If we do not know our history, we are doomed to repeat our predecessors’ mistakes.
Last modified May 12, 2017, 1:23am CDT
