Nautilus (Verne) from seawater) is the craft's primary power source for propulsion and other services. "Nautilus" is double-hulled, and is further separated into water-tight compartments. Its top speed is . Its displacement is submerged. In Captain Nemo's own words: "Nautilus" uses floodable tanks in order to adjust buoyancy and so control its depth. The pumps that evacuate these tanks of water are so powerful that they produce large jets of water when the vessel emerges rapidly from the surface of the water. This leads many early observers of "Nautilus" to believe that the vessel is some species of whale, or perhaps a
Jules Verne to follow my own instincts? It's because I know who I am that I realize what I can be one day." Meanwhile, Verne was spending much time at the Bibliothèque nationale de France, conducting research for his stories and feeding his passion for science and recent discoveries, especially in geography. It was in this period that Verne met the illustrious geographer and explorer Jacques Arago, who continued to travel extensively despite his blindness (he had lost his sight completely in 1837). The two men became good friends, and Arago's innovative and witty accounts of his travels led Verne toward a