There has never been a better time to be in the quantum computing business. “Some 10 years ago, it was not obvious that quantum computing was more than an interesting lab experiment. Since then, an entire globalised ecosystem has emerged,” says Laurent Prost at French quantum computing start-up Alice & Bob, one of hundreds of firms in the sector. Krysta Svore at Microsoft puts it even more succinctly: “Quantum computers are working.”
But working on what? Practical uses for quantum computers remain limited, with no sign yet of the long-promised ability…
