 How does Eddie’s interest in radioactivity affect the story’s plot?
Still, one clue is as good as another when it comes to hunting uranium ore, I guess. In fact, anything having to do with atomic science excited him. Eddie knew that a radioisotope was a material which had been “cooked” in an atomic reactor until it was “hot” with radioactivity. When carefully controlled, the radiation stored up in such isotopes was used in many beneficial ways. They had been ever since Eddie’s family had moved to Oceanview and his father had become head of the college’s atomic-science department. Teena’s father was chief engineer for the Acme Aviation Company, one of the coast town’s largest manufacturing concerns.
 It provides basic subject matter for the story and informs the brunt of Eddie’s characterization.
 It causes major holes for the reader when Eddie doesn’t explain his scientific jargon.  It provides a basic subject matter for Eddie to use to get closer to Teena.  It provides basic subject matter for the story and informs the brunt of Eddie’s characterization.  It is used as a way of putting Eddie in contact with the story’s antagonist: Mr. Ross