Example image of eyePlorer eyePlorer map for 'Prompt critical': Nuclear engineering Nuclear fission Prompt neutron Exponential growth Critical mass Nuclear chain reaction Neutron Uranium Enrichment Neutron temperature Nuclear fission product Half-life Nuclear reaction Radionuclide Nuclear weapon Criticality accident Nuclear reactor physics Control rod Control system Electromechanics Nuclear reactor technology Fast fission Radioactive decay Chernobyl disaster SL-1 Soviet submarine K-431 Steam explosion Containment building Graphite Neutron moderator Pressurized water reactor Loss of coolant accident BORAX experiments CRAC-II Godiva device KEWB Aberdeen Proving Ground Kurchatov Institute Los Alamos National Laboratory White Sands Missile Range Fizzle (nuclear test) Implosion Richard C. Tolman Robert Serber University of California, Berkeley Isotopes of plutonium Spontaneous fission Weapons-grade Insertion time Harry K. Daghlian, Jr.