activation product advanced gas-cooled reactor aircraft catapult army nuclear power program atomic nucleus beryllium bettis atomic power laboratory boiling water reactor boric acid brachytherapy breeder reactor candu reactor condenser deep geological repository depleted uranium deuterium district heating dry cask storage economics of new nuclear power plants effects of nuclear explosions electrical generator enriched uranium european pressurized reactor fast neutron reactor fertile material fission product fusion power gamma camera generation ii reactor graphite moderated reactor heat exchanger heavy water heavy water reactor history of nuclear weapons ionizing radiation isotope separation isotopes of plutonium leidenfrost effect light water reactor list of pwr reactors list of nuclear tests list of nuclear weapons list of states with nuclear weapons lithium loss of coolant accident magnox massachusetts institute of technology medical imaging minor actinide neutron moderator news release nuclear regulatory commission nuclear arms race nuclear chain reaction nuclear chemistry nuclear engineering nuclear explosion nuclear fission nuclear fuel nuclear fuel cycle nuclear fusion nuclear marine propulsion nuclear medicine nuclear physics nuclear poison nuclear power nuclear proliferation nuclear propulsion nuclear reactor technology nuclear reprocessing nuclear safety nuclear submarine nuclear technology nuclear testing nuclear thermal rocket nuclear transmutation nuclear warfare nuclear weapon design nuclear weapon yield nuclear weapons in popular culture nucleate boiling oak ridge national laboratory passive nuclear safety plutonium pressurised heavy water reactor prompt critical proton therapy rbmk radiation radiation therapy rancho seco nuclear generating station reduced moderation water reactor reprocessed uranium sstar sintering spent fuel pool spent nuclear fuel superheated water tnt equivalent temperature coefficient thermal reactor thorium tritium underground nuclear testing uranium vver void coefficient water zircaloy