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.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
Latest Magazine Issues
Feb 2026
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
March 2026
Nuclear Technology
February 2026
Fusion Science and Technology
January 2026
Latest News
Growth beyond megawatts
Hash Hashemianpresident@ans.org
When talking about growth in the nuclear sector, there can be a somewhat myopic focus on increasing capacity from year to year. Certainly, we all feel a degree of excitement when new projects are announced, and such announcements are undoubtedly a reflection of growth in the field, but it’s important to keep in mind that growth in nuclear has many metrics and takes many forms.
Nuclear growth—beyond megawatts—also takes the form of increasing international engagement. That engagement looks like newcomer countries building their nuclear sectors for the first time. It also looks like countries with established nuclear sectors deepening their connections and collaborations. This is one of the reasons I have been focused throughout my presidency on bringing more international members and organizations into the fold of the American Nuclear Society.
Sunday, April 27, 2025|8:00AM–5:00PM MDT
Lawrence B
Cost: $99
Limited Space
Organizer: Javier Ortensi (Idaho National Laboratory), Changho Lee (Argonne National Laboratory)
The Griffin workshop will provide participants with a comprehensive understanding and hands-on training of advanced reactor simulation capabilities in Griffin.
Morning session (8am – 12pm): focuses on prismatic-type high temperature reactor (HTR) applications, including hands-on training in mesh and cross section generation, depletion, and core transport calculations in steady-state and transient conditions.
Afternoon session (1pm – 5pm): focuses on fast reactor (FR) applications, including hands-on training in mesh generation and cross section generation workflow, core transport calculations in steady-state and transient conditions, and fuel management capability.
The registration deadline to ensure software download for the hands-on workshop is Wednesday, April 9th, at midnight.