For the past year, I kept bringing the same story to my editor: quantum computers are on the edge of becoming useful for scientific discovery. Of course, that has always been the goal. The idea of ...

In the past two decades, interest in building quantum computers has grown exponentially. Major investments are being made by most industrialised nations, and several times a year, new announcements ...

The effort to build truly useful quantum computers often comes down to making them bigger by adding qubits, the quantum bits that are the basic building blocks of these devices. But creating quantum ...