The universe is weird at the smallest scales. Particles pop in and out of existence, exist in multiple places at once, and somehow “know” what their partners are doing from across the cosmos. For nearly a century, physicists have had the math to predict these bizarre behaviors with stunning accuracy. But they’ve struggled with a more fundamental question: What does it all mean? In his book What Is Real?, Adam Becker argues that most scientists simply gave up trying to find an answer. Re...