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Isotopes & Radiation
Members are devoted to applying nuclear science and engineering technologies involving isotopes, radiation applications, and associated equipment in scientific research, development, and industrial processes. Their interests lie primarily in education, industrial uses, biology, medicine, and health physics. Division committees include Analytical Applications of Isotopes and Radiation, Biology and Medicine, Radiation Applications, Radiation Sources and Detection, and Thermal Power Sources.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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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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The busyness of the nuclear fuel supply chain
Ken Petersenpresident@ans.org
With all that is happening in the industry these days, the nuclear fuel supply chain is still a hot topic. The Russian assault in Ukraine continues to upend the “where” and “how” of attaining nuclear fuel—and it has also motivated U.S. legislators to act.
Two years into the Russian war with Ukraine, things are different. The Inflation Reduction Act was passed in 2022, authorizing $700 million in funding to support production of high-assay low-enriched uranium in the United States. Meanwhile, the Department of Energy this January issued a $500 million request for proposals to stimulate new HALEU production. The Emergency National Security Supplemental Appropriations Act of 2024 includes $2.7 billion in funding for new uranium enrichment production. This funding was diverted from the Civil Nuclear Credits program and will only be released if there is a ban on importing Russian uranium into the United States—which could happen by the time this column is published, as legislation that bans Russian uranium has passed the House as of this writing and is headed for the Senate. Also being considered is legislation that would sanction Russian uranium. Alternatively, the Biden-Harris administration may choose to ban Russian uranium without legislation in order to obtain access to the $2.7 billion in funding.
Peter Glück
Fusion Science and Technology | Volume 24 | Number 1 | August 1993 | Pages 122-126
Technical Notes on Cold Fusion | doi.org/10.13182/FST93-A30180
Articles are hosted by Taylor and Francis Online.
The lack of reproducibility of the cold fusion experiments, aggravated by the great diversity and inconsistency of the positive results, implies that these nuclear phenomena are hypersensitive, i.e., correlated to a “chaotic” factor. All the factors considered so far, such as structure, transformations, or defects of the crystal lattice; bubbles of deuterium; dendrites, etc., are insufficiently chaotic to explain the known facts. Experimental data suggest that nuclear reactions take place in active sites on the surface of the lattice, that they are stimulated by dynamics factors, and that they represent an extreme form of heterogeneous catalysis. Consequently, according to modern ideas concerning catalysis, the desired chaotic factor is the surface dynamics of some metallic deutendes (hydrides). This hypothesis, called the surfdyn concept, is compatible with all published data, explains the peculiarities of cold fusion, and must be supported by an adequate theory describing the nature and mechanisms of the different nuclear processes.