The New Yorker Radio Hour

In December of 2015, a video appeared on the Internet that stunned surfers worldwide. Titled “Kelly’s Wave,” it showed Kelly Slater—arguably the best pro surfer in history—unveiling a secret project he had been working on for more than a decade. With the help of engineers and designers, Slater had perfected the first artificial wave, created by machine in a pool, that could rival the best waves found in the ocean. “One could spend years and years surfing in the ocean,” the staff writer William Finnegan, himself a lifelong surfer, notes, “and never get a wave as good as what some people are getting here today. Ever.”    Finnegan went to visit the Kelly Slater Wave Company’s Surf Ranch—a facility in California’s Central Valley, far from the Coast—to observe a competition and test the wave for himself. (He wrote about the experience in The New Yorker.) Up until now, surfing was defined by its lack of predictability: chasing waves around the world and dealing with disappointment when they do not appear has been i