In Ex Machina, a new film by Alex Garland, a 26-year-old programming whizkid named Caleb (Domhnall Gleeson) wins a company lottery. The prize? Spend a week at the remote and sleekly futuristic home of the company’s billionaire founder Nathan (Oscar Isaac), and conduct a test to determine if Nathan’s latest invention actually possesses the long-sought-after holy grail of science – artificial intelligence (AI).