reading again: Who could possibly calculate the minimum time required for us to get out? Might we not be asphyxiated before the Nautilus could surface? Was it destined to perish in this tomb of ice along with all those on board? The situation seemed terrible. But everyone faced it squarely and decided to do their duty to the end . . . Werner listens. The crew chops through the icebergs that have trapped their submarine; it cruises