“I have some ideas,” said Wylan. “The problem is the nozzles, right?” “Nozzles?” said Jesper. “Yes,” said Nikolai. “For launching and directing the rocket.” “That is a ridiculous word,” said Jesper. “It’s an accurate word,” objected Wylan. “And slightly ridiculous. May I?” Nikolai nodded, and Wylan began to sketch something onto the schematic.