grinds it—I don't know how to express it—in short, uses it up completely. You have no idea what a colossal amount of energy is contained in the atoms. With half a hundredweight of coal in the Karburaator you can sail right round the world in a steamship, you can light the whole city of Prague, you can supply power for the whole of a huge factory, or anything you like. A bit of coal the size of a nut will do the heating and the cooking for a whole family. And ultimately we shan't even require coal; we can do our heating with the first pebble or handful of dirt we pick up in front of the house. Every scrap of matter has in it more energy than an enormous boiler; you've only to extract it. You've only to know how to secure total combustion! Well, Bondy, I can do it; my Karburator can do it. You'll admit, Bondy, that it has been worth while toiling over it for twenty years."
"Look here, Rudy," Bondy began slowly, "it's all very extraordinary—but I believe you, so to speak. On my soul, I do believe you. You know, when I stood in front of that Karburator of yours, I felt that I was in the presence of something overpoweringly great, something a man could not withstand. I can't help it: I believe you. Down there in the cellar you have something uncanny, something that will overturn the whole world."
"Alas, Bondy," Marek whispered anxiously,
