The film adaptation of Andy Weir's novel *Project Hail Mary* hits general release today, March 20, and it's great—go see it! Though a little light on the science, the movie goes hard on the relationship between schoolteacher Ryland Grace (Ryan Gosling) and an extraterrestrial named Rocky, and it's a ride well worth taking. But as good as it is, the movie shares a small flaw with the book: Despite having very few things in common, Grace and Rocky learn to communicate with each other extremely quickly. In fact, Grace and Rocky begin conversing in abstracts (concepts like "I like this" and "friendship") in even less time than it takes in the book. Obviously, there are practical narrative reasons for this choice—you can't have a good buddy movie if your buddies can't talk to each other.…