 How does Eddie's reaction and his father's reaction to the missing isotope different?
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. 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. 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. His father usually volunteered any information he wanted known, so Eddie stuck to questions which could and would be answered. 20 Eddie went inside and followed Teena to the kitchen.
 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.