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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
Latest Magazine Issues
Jul 2026
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2026
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Nuclear Science and Engineering
September 2026
Nuclear Technology
August 2026
Fusion Science and Technology
Latest News
IAEA scientists help rainbow trout farmers in Latin America
The trout population in the western hemisphere is getting stronger through the application of nuclear science.
The International Atomic Energy Agency, as part of a technical cooperation project, is equipping laboratories and training specialists in nine countries to better deal with the infectious pancreatic necrosis virus (IPNV) in rainbow trout.
Nuclear and Emerging Technologies for Space (NETS-2022) Plenary SPeaker
Propulsion and Nuclear Scientist,Defense Innovation Unit
NASA
Maj Ryan Weed is a physicist and USAF Experimental Test Pilot, logging over 2000 hours in more than 30 different aircraft. Ryan is a NASA Innovative Advanced Concepts (NIAC) Fellow, studying radioisotope positron propulsion systems. He has worked at Blue Origin, where he designed and implemented an Instrumentation laboratory for cryogenic rocket fuels, and founded Positron Dynamics, where he designed and built a positron beamline facility and developed high specific impulse propulsion concepts. Ryan earned a B.A in Physics from Wesleyan University, B.S. in Applied Physics from Columbia University, M.Sc. in Flight Test Engineering from Air University, and PhD in Physics from Australian National University. In his current role at DIU, Ryan manages the Nuclear Propulsion and Power program within the Space Portfolio.
Last modified April 5, 2022, 9:19am EDT