"You are next, sir," Lancelot Biggs said courteously. "And a pleasant journey."
"Harrumph!" growled his academic nibs. "This is a damnable outrage!"
Biggs bowed him into the time-traveling contraption.
"I think you've got something there," he grinned—and signalled to Dick Todd. One second later H. Logan was flitting through space back home.
And now it was time for last farewells. But Biggs asked, in gripping Hank's hand, the question I'd been dying to ask myself, but hadn't dared.
"You should tell me, Hank, how you struck on the solution. We may get in a jam like that again, some day. And if we do—"
"Send for me," grinned Hank. "I like this period o' your'n okay, Bud. But you won't get in no more messes like that. Not if you tone down the speed o' that gadget o' your'n, like I told you to.
"My figgerin'? Why, it was just plain, dumb hosslogic, that's all. The tip-off come when we started whiskin' faster an' faster by the moment toward that there planet in our path.
"Y'see, we was in a negative universe. We decided that. But whut we overlooked was the simple, logical fact that in a negative universe all natcheral physical laws ought to operate in reverse!