Chad Rigetti has devoted his career to quantum computing—a phrase you’ve perhaps most recently encountered in Marvel’s Ant-Man and the Wasp: Quantumania. Superhero movies aside, quantum computing is somewhere between reality and moonshot. In the most rudimentary terms (all I feel remotely qualified to give you), a quantum computer uses counterintuitive rules of physics to compute some information exponentially faster than “classical” computers. It’s real—though it’s so far failed to scale or fin...