(Roentgen : (X rays : Van Allen Belt)) is to ( Bohr : (Hydrogen : Unnilennium )) as ( Oppenheimer : (theory of relativity : atomic bomb)) is to _____ ?
(Planck : (radiation formula : thermonuclear bomb))
(Feynman : ( nanotechnology : radio telescope))
(Rutherford : (atomic structure : theory of gravity))