Chapter 34

“No wiring—tight beam transmission. The Fenachrone do it with two matched-frequency separable units. Millions and millions of kilowatts there, if I’m any judge. Absolutely automatic too, or else . . .” His voice died away. “Or else what?” asked Dorothy. “Just a hunch. I wouldn’t wonder if . . .” “Hold it, Dicky! Remember I had to put you to bed after that last hunch you had!” “Here it is, anyway. Mart, what would be the logical line of evolution when the planet has become so old that all the land has been eroded to…