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
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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Nuclear Science and Engineering
August 2025
Nuclear Technology
July 2025
Fusion Science and Technology
Latest News
Nuclear fuel cycle reimagined: Powering the next frontiers from nuclear waste
In the fall of 2023, a small Zeno Power team accomplished a major feat: they demonstrated the first strontium-90 heat source in decades—and the first-ever by a commercial company.
Zeno Power worked with Pacific Northwest National Laboratory to fabricate and validate this Z1 heat source design at the lab’s Radiochemical Processing Laboratory. The Z1 demonstration heralded renewed interest in developing radioisotope power system (RPS) technology. In early 2025, the heat source was disassembled, and the Sr-90 was returned to the U.S. Department of Energy for continued use.
K. Okano, K. Tobita, Y. Ogawa, R. Hiwatari
Fusion Science and Technology | Volume 61 | Number 1 | January 2012 | Pages 28-32
Plenary | Proceedings of the Fifteenth International Conference on Emerging Nuclear Energy Systems | doi.org/10.13182/FST12-A13392
Articles are hosted by Taylor and Francis Online.
A report in 2005 by the Atomic Energy Commission of Japan has stated an expectation to secure the prospect of putting fusion into practical use by the middle of 21st century. A roadmap based on this policy was developed in 2008. The roadmap consists of a breakdown list of works which has shown and categorized the R&D issues required to construct the DEMO plants. Two tokamak DEMO concepts, SlimCS (Rp=5.5m) and Demo-CREST (Rp=7.3m), have been proposed in Japan as possible DEMO designs which will fit in the policy.
