Related Experiment Video
Updated: Jun 24, 2025

04:36
Production of Synthetic Nuclear Melt Glass
Published on: January 4, 2016
9.5K
The weapons potential of high-assay low-enriched uranium
R Scott Kemp1, Edwin S Lyman2, Mark R Deinert3
1Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
Summary
New nuclear reactor technologies may overlook long-standing nuclear proliferation risks. This research highlights the critical need to address these security concerns alongside technological advancements.
Area of Science:
- Nuclear Engineering
- International Security Studies
- Policy Analysis
Background:
- The development of advanced nuclear reactor technologies is accelerating.
- Decades of international efforts have focused on mitigating nuclear proliferation risks.
- There is a potential disconnect between the promotion of new reactor designs and established non-proliferation frameworks.
Purpose of the Study:
- To analyze whether recent advancements in nuclear reactor technology adequately address historical nuclear proliferation concerns.
- To identify potential security vulnerabilities introduced by novel reactor designs.
- To inform policymakers and stakeholders on the importance of integrating non-proliferation safeguards into new nuclear energy initiatives.
Main Methods:
- Review of current literature on advanced reactor designs.
- Analysis of international treaties and safeguards agreements related to nuclear materials.
- Comparative assessment of proliferation risks associated with new versus existing reactor technologies.
- Case studies of specific new reactor concepts and their associated security implications.
Main Results:
- Emerging reactor technologies may present novel proliferation pathways.
- Existing non-proliferation regimes may require updates to effectively cover new reactor types.
- The promotion of new technologies often emphasizes economic and environmental benefits, with less focus on security implications.
Conclusions:
- Continued promotion of new nuclear reactor technologies without robust proliferation safeguards poses significant global security risks.
- There is an urgent need for updated international dialogue and policy frameworks to ensure new nuclear energy developments do not undermine non-proliferation efforts.
- Integrating security considerations from the outset of reactor design and deployment is paramount.
Related Concept Videos
Nuclear Transmutation
17.5K
Nuclear transmutation is the conversion of one nuclide into another. It can occur by the radioactive decay of a nucleus, or the reaction of a nucleus with another particle. The first manmade nucleus was produced in Ernest Rutherford’s laboratory in 1919 by a transmutation reaction, the bombardment of one type of nuclei with other nuclei or with neutrons. Rutherford bombarded nitrogen-14 atoms with high-speed α particles from a natural radioactive isotope of radium and observed...
17.5K
Nuclear Stability
18.7K
Protons and neutrons, collectively called nucleons, are packed together tightly in a nucleus. With a radius of about 10−15 meters, a nucleus is quite small compared to the radius of the entire atom, which is about 10−10 meters. Nuclei are extremely dense compared to bulk matter, averaging 1.8 × 1014 grams per cubic centimeter. If the earth’s density were equal to the average nuclear density, the earth’s radius would be only about 200 meters.
To hold positively charged protons together...
To hold positively charged protons together...
18.7K
Nuclear Power
7.7K
Controlled nuclear fission reactions are used to generate electricity. Any nuclear reactor that produces power via the fission of uranium or plutonium by bombardment with neutrons has six components: nuclear fuel consisting of fissionable material, a nuclear moderator, a neutron source, control rods, reactor coolant, and a shield and containment system.
Nuclear Fuels
Nuclear fuel consists of a fissile isotope, such as uranium-235, which must be present in sufficient quantity to provide a...
Nuclear Fuels
Nuclear fuel consists of a fissile isotope, such as uranium-235, which must be present in sufficient quantity to provide a...
7.7K
Nuclear Fission
9.7K
Many heavier elements with smaller binding energies per nucleon can decompose into more stable elements that have intermediate mass numbers and larger binding energies per nucleon—that is, mass numbers and binding energies per nucleon that are closer to the “peak” of the binding energy graph near 56. Sometimes neutrons are also produced. This decomposition of a large nucleus into smaller pieces is called fission. The breaking is rather random with the formation of a large...
9.7K
Nuclear Binding Energy
12.4K
The difference between the calculated and experimentally measured masses is known as the mass defect of the atom. In the case of helium-4, the mass defect indicates a “loss” in mass of 4.0331 amu – 4.0026 amu = 0.0305 amu. The loss in mass accompanying the formation of an atom from protons, neutrons, and electrons is due to the conversion of that mass into energy that is evolved as the atom forms. The nuclear binding energy is the energy produced when the atoms’ nucleons...
12.4K
Nuclear Fusion
19.3K
The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process called fusion. The principal source of energy in the sun is a net fusion reaction in which four hydrogen nuclei fuse and ultimately produce one helium nucleus and two positrons.
A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
19.3K

