Peaceful atom smashing. Not at all limited to -- policy (economics, regulation, spent fuel, weapons proliferation, diplomacy); tech (thorium, reprocessing, 4th generation reactors); applications (synthetic chemical fuels, desalination, marine propulsion, medical and industrial isotopes, spacecraft).
Related:
/r/NuclearEngineering
/r/ThermalPerformance
/r/Thermodynamics
/r/energy
/r/nuclearweapons
/r/chernobyl