 How does Eddie's reaction and his father's reaction to the missing isotope different?
In fact, anything having to do with atomic science excited him. You couldn’t have a father who was head of the atomic-science department at Oceanview College without picking up a little knowledge along the way. When carefully controlled, the radiation stored up in such isotopes was used in many beneficial ways. His father usually volunteered any information he wanted known, so Eddie stuck to questions which could and would be answered. 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.
 Eddie's father is worried, while Eddie's curiosity is heightened.
 Eddie's father is horrified, while Eddie acts apathetic.  Eddie's father is disappointed, while Eddie is unaware of the severity of the situation.  Eddie's father is worried, while Eddie's curiosity is heightened.  Eddie's father is panicked, while Eddie tries to remain lighthearted.