Other crossword clues for answer "ATOMBOMB"ATOMBOMBMushroom-making weapon1940s Los Alamos developmentManhattan Project projectIt was used to discover fermium14-year-old invention.Modern weapon.Phenomenon of our time.Enola Gay's loadMushroom cloud producer*Leo Szilard and Joseph RotblatEinstein referred to his endorsement of it as "one great mistake"Fat Man or Little BoyMushroom makerSlim Pickens's mount, in a climactic "Dr. Strangelove" scene