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The American Nuclear Society (ANS) is a specialized news and professional information outlet focused on the science, technology, engineering, and policy dimensions of nuclear energy and related fields.
- Indexed articles, last 90 days
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LLNL, Ampera partner to develop thorium-based TRISO fuel (opens the original)
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Lawrence Livermore National Laboratory has formed a strategic partnership with Ampera to develop the company’s nuclear fuel concept through a project named THUNDER, for Thorium Unimodal Droplet Ejection for Reactors. The focus of THUNDER is fabricating TRISO made with kernels of thorium rather than the usual uranium. LLNL and Ampera will evaluate and optimize liquid metal–jetting technology to produce highly uniform, spherical kernels of thorium-232 for later processing into TRISO fuel.
ORNL and INL collaborate on 3D-printed pressure vessels (opens the original)
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Oak Ridge National Laboratory and Idaho National Laboratory have announced they will collaborate to help industry develop a process for wire arc 3D printing of industrial pressure vessels used for nuclear energy and chemical processing.“By working with industry to demonstrate, validate, and qualify advanced manufacturing technologies, we can reduce risk, accelerate deployment, and strengthen the domestic supply chains essential to America’s energy future,” said Robert Wagner, ORNL associate labo
Two new ANS standards issued (opens the original)
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Two new American Nuclear Society standards recently received approval from the American National Standards Institute (ANSI). The new standard ANSI/ANS-56.2-2026, Containment Isolation Provisions for Fluid Systems After a LOCA, is a revision of historic ANS-56.2-1984 (W1999). ANS-GS-30.1-2026, Integrating Risk and Performance Objectives into Standards for New Reactor Designs, is a new guidance standard.Both standards are available for purchase in the ANS Online Store.
DOE plans to expand WIPP’s capacity and operational life (opens the original)
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In an amendment to a 1998 record of decision, the Department of Energy is expanding the available space at its Waste Isolation Pilot Plant deep geological repository for defense-related radioactive waste, and is also now planning to accept waste at the facility for 50 more years than previously planned. The amended decision, which was signed on August 18 by Tim Walsh, assistant secretary for Environmental Management, commits the DOE to a WIPP operating horizon extending to about 2083.
Reactor criticality, states’ new nuclear plans among NECX 2026 highlights (opens the original)
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The second day of the Nuclear Energy Conference & Expo (NECX 2026) kicked off with success stories on the start-up and state levels.In Wednesday’s opening plenary session, representatives of three of the four companies that reached criticality on or before Executive Order 14301’s July 4 target date—Aalo Atomics, Antares Nuclear, and Deployable Energy—talked about the run-up to meeting the deadline. Following the opener, officials from Kentucky, New York, and Utah discussed ambitious plans to exp
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