"I have something to show you," Doc Labyrinth said. From his coat pocket he gravely drew forth a matchbox. He held the matchbox tightly, his eyes fixed on it. "You're about to see the most momentous thing in all modern science. The world will shake and shudder." "Let me see," I said. It was late, past midnight. Outside my house rain was falling on the deserted streets. I watched Doc Labyrinth as he carefully pushed the matchbox open with his thumb, just a crack. I leaned over to see.