ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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!
Latest Magazine Issues
Dec 2025
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
January 2026
Nuclear Technology
December 2025
Fusion Science and Technology
November 2025
Latest News
Flamanville-3 reaches full power
France’s state-owned electric utility EDF has announced that Flamanville-3—the country’s first EPR—reached full nuclear thermal power for the first time, generating 1,669 megawatts of gross electrical power. This major milestone is significant in terms of both this project and France’s broader nuclear sector.
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Promethian Energy and Space Technologies is a specialized startup providing advanced solutions in nuclear safety, instrumentation, and space systems. Our core capabilities include:
• Criticality Accident Alarm Systems (CAAS): Full-scope design, procurement, fabrication, and installation.
• Nuclear Instrumentation: Novel detector development and commercialization, including fast fission neutron detectors and combined neutron–gamma detection systems.
• Criticality Safety & Modeling: Facility analyses and safety assessments using MCNP, with expertise spanning fast fission and thermal reactor systems.
• Radiation Effects Testing: Nuclear materials testing of electronics and advanced materials under high neutron/gamma fluence, with multiple publications in the field.
• Space Applications: Instrumentation and materials testing for space nuclear systems, reactor monitoring solutions, and engineering approaches to unique nuclear challenges.
Promethian brings together deep technical expertise and agile problem-solving to support the DOE/DOD complex, research institutions, and industry partners. Our mission is to deliver innovative nuclear safety and space-power technologies from concept through deployment.
