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
Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott 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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May 2025
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Nuclear Science and Engineering
July 2025
Nuclear Technology
June 2025
Fusion Science and Technology
Latest News
BREAKING NEWS: Trump issues executive orders to overhaul nuclear industry
The Trump administration issued four executive orders today aimed at boosting domestic nuclear deployment ahead of significant growth in projected energy demand in the coming decades.
During a live signing in the Oval Office, President Donald Trump called nuclear “a hot industry,” adding, “It’s a brilliant industry. [But] you’ve got to do it right. It’s become very safe and environmental.”
Technical Session|Sponsored by RPD
Tuesday, June 18, 2024|10:00–11:45AM PDT|Jasmine D
Session Chair:
Zeyun Wu (VCU)
Alternate Chair:
Massimiliano Fratoni (UC Berkeley)
Session Organizer:
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Reactivity Feedback Effect Analysis by Multi-Layer Reflector Temperature for Molten Salt Reactor
10:00–10:20AM PDT
Jinyoung Lee (Hyundai Engineering and Construction), Seung Yop Paek (Hyundai Engineering and Construction), Jihwan Kim (Hyundai Engineering and Construction), Jongwoo Lee (Hyundai Engineering and Construction), Inwon Jo (Hyundai Engineering and Construction), Young O. Kim (Hyundai Engineering and Construction)
Paper
A Physics Study for an Innovative Long-Life Small Molten Salt Fast Reactor (MSFR) for Ship Propulsion
10:20–10:40AM PDT
Youngjune Lee (KAIST), Eunhyug Lee (KAIST), Yonghee Kim (KAIST)
Fuel Doppler Coefficient of Reactivity in Highly Enriched Uranium-Fueled MSRs
10:40–11:00AM PDT
Ondrej Chvala (Univ. Tennessee, Knoxville), Kyra Lawson (Univ. Tennessee, Knoxville), Kevin Clarno (Univ. Texas, Austin)
Fast Chloride MSR Coefficients of Reactivity
11:00–11:20AM PDT
Kyra Lawson (Univ. Tennessee, Knoxville), Nicholas R. Brown (Univ. Tennessee, Knoxville)
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