Chapters 22-24 Summary

Chapter 22 describes the first time-travel trip taken by Charles and his father, which lasted less than a minute, in a machine they built in the garage. Charles had punished his father with silence for 14 days after his mother left the home, and then he began helping with the UTM-1. From the future, he and TAMMY watch as father and son climb into the crate-like vehicle. Their main discovery is that rather than being instantaneous, time travel takes up time. The maiden voyage is a technical failure, because they had not figured out a way to land the vehicle, which loops back to where they started, but they nevertheless are delighted by the result. An excerpt titled, "Wineberg-Takayma Radius," discusses in mock-scientific language the proposition arrived at independently by two scientists named Weinberg and Takayama that a universe must be no larger...