Related Clues:

• It was used to discover fermium
• Nuclear plant feature
• Atomic-energy source
• Apparatus for production of nuclear energy
• The first fell on Hiroshima
• It first fell on Hiroshima
• The first one fell on Hiroshima
• Device to produce energy by nuclear fission
• It sounds like something new and clear about one in play
• What's the matter with the one in play that you can get 24 across from it?
• There's something about one on the stage to put A into one in church
• Go off after 22 across in a very big way
• There's something chemical about one of the cast
• 'Please God 16 down never goes off again like this (4,4)'
• It powers an adjustable cot in the rear