Hal Thomas’s wife thinks that he doesn’t pay enough attention to his children, one of whom is building an antigravity/time machine upstairs and the other of whom doesn’t need the machine to move through space and time.
Space-time—is cute?

Variants

(1)
  1. “The Easy Way” by Oscar A. Boch, Astounding, September 1954.
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Oscar A. Boch