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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
Latest Magazine Issues
Aug 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
September 2026
Nuclear Technology
Fusion Science and Technology
August 2026
Latest News
Oklo’s Isotope Test Reactor achieves criticality
Oklo’s Groves Isotope Test Reactor became the fifth Department of Energy–authorized reactor to achieve criticality under the agency’s authorization process, it was announced earlier today.
Criticality was reached at 9:19 p.m. (EDT) on Wednesday at the company’s Groves facility in Lockhart, Texas, according to the DOE.
Technical Session|Space Nuclear Propulsion
Monday, May 5, 2025|3:15–4:55PM CDT|SPOC A (Space & Rocket Center)
Session Chair:
David Manzella (NASA Glenn Research Center)
Session Organizer:
Harold Gerrish (NASA Marshall Space Flight Center)
Track Organizer:
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How A Next Generation Bimodal NTP Can Benefit Future Missions
3:15–3:40PM CDT
C. Russell Joyner II (L3 Harris Technologies), Timothy Kokan (L3 Harris Technologies), Daniel J. H. Levack (L3 Harris Technologies), Brian Muzek (L3 Harris Technologies), Christopher Reynolds (L3 Harris Technologies)
Presentation Slides (Visible to Attendees)
Paper
Reliability Analysis of an Early Design for a Bimodal Nuclear Propulsion System
3:40–4:05PM CDT
Elia Puccinelli (Univ. Pisa), Samantha B. Rawlins (BWX Technologies), Angelo Pasini (Univ. Pisa), L. Dale Thomas (Univ. Alabama, Huntsville)
A Fusion Propulsion Reactor Architecture for Exoplanet Exploration
4:05–4:30PM CDT
Gerald P. Jackson (Hbar Technologies), Grace E. Bittlingmaier (Beam Alpha Inc.)
OpenMC Benchmarking of Gaseous Core Reactors: A Prelude to Advanced Space Reactor Systems
4:30–4:55PM CDT
Robert C. O'Brien (CSNR), Logan Reed Horner (CSNR), Aanchal Gupta (CSNR), Abigail Hogue (CSNR)
