Quantum computers have the potential to speed up computation, help design new medicines, break codes, and discover exotic new materials—but that's only when they are truly functional. Subscribe to our ...

"But an exponential speedup is the most dramatic type of speed up that we expect to see from quantum computers." The key milestone for quantum computing, Lidar says, has always been to demonstrate ...

Quantum computing may one day outperform classical machines in solving certain complex problems, but when and how this “quantum advantage” emerges has remained unclear. Now, researchers from Kyoto ...

Computing firm Quantinuum has provided the hardware for many outstanding feats in quantum computing over the past few years. It looks like that winning streak will continue with its latest model, ...

The race to harness quantum mechanics for computing power is finally colliding with the real economy. After a century of ...

Quantum computers should be powerful enough to crack Bitcoin’s security features—by instantly solving the mining mechanism or guessing wallet passwords by brute force—a few years after 2030, according ...

IonQ (IONQ), Rigetti Computing (RGTI) and D-Wave Quantum (QBTS) were in the spotlight on Thursday as investment firm Mizuho Securities initiated coverage on the quantum computing industry. IonQ, ...