The science fiction that Silicon Valley techno-billionaires like Elon Musk, Jeff Bezos and Peter Thiel adore often concerns gleaming futures in which fantastically powerful and often immensely rich men colonize other planets. In this episode, Jill Lepore takes a look at the science fiction that’s usually left out of this vision. New Wave, feminist, post-colonial science fiction. Including the story of Baby X, a story from the 1970s about a child - like Musk’s youngest son - named X.