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
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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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.
Paul J. Macbeth, Winston W. Hickman
Nuclear Technology | Volume 24 | Number 3 | December 1974 | Pages 383-390
Technical Paper | Radioactive Waste | doi.org/10.13182/NT74-A31501
Articles are hosted by Taylor and Francis Online.
The Idaho Transuranic Storage Area (ITSA) consists of wastes packaged in fiberglass-coated wooden boxes or steel drums designed to retain their integrity for 20 years. Containers are stacked on sloped asphalt pads. The array is covered with plywood, nylon-reinforced polyvinyl sheeting, and 2 to 3 ft of earth. The need for a safe and efficient method for storage of low-level transuranic wastes prompted the development of ITSA. Storage costs in 1973 for 208 000 ft3 of waste containing 24 600 Ci of transuranic activity average $1.04/ft3.
