The Abolition of Man, C. S. Lewis's masterpiece in ethics and the philosophy of science, warns of the danger of combining modern moral skepticism with the technological pursuit of human desires. The end result is the final destruction of human nature. From Brave New World to Star Trek, from steampunk to starships, science fiction film has considered from nearly every conceivable angle the same nexus of morality, technology, and humanity of which C. S. Lewis wrote. As a result, science fiction film has unintentionally given us stunning depictions of Lewis's terrifying vision of the future. In...