"Snowball": Conclusion

"Snowball." 

"Snow whirled against the house, blindingly, as if the world drew into itself and nothing lay beyond these walls. The muted skirl of wind came through, lonesome and shivering. But inside, there was warmth and a calm light."

This signifies that the social upheavals and conflicts are dying down so that now a new kind of life as normal can be found.

Our hero, Arch, needing to do something new, has an Andersonian moment of realization. His invention, capacitite, can concentrate energy and this can be used for:

"'Spaceships!'" (The last word of the text.)

Next: "Security."