Four decades ago, physicists were theorizing that the mind-bending mechanics of quantum physics could be harnessed to make a new kind of computer that’s exponentially more powerful than conventional ...

The approach is known for high accuracy, but scaling it up while preserving that accuracy is technically difficult. Helios ...

This article is part of a package on the future of quantum computing. Read about the quest to develop these machines here and see an illustrated field guide to qubits here. The 21st-century fervor ...

Quantum computers are computers that are expected to perform large-scale calculations that cannot be achieved by conventional computers (classical computers) by using quantum mechanics for ...

This article is part of a package on the future of quantum computing. Read about the most promising applications of these machines here and see an illustrated field guide to qubits here. Inside a ...

One order pushes for a research-grade quantum computer at a national lab, while the other accelerates government defenses ...

Oak Ridge National Laboratory is welcoming a quantum computer, that outperforms the most powerful supercomputers by using the ...

Overview: IBM has set a concrete deadline for quantum advantage, and IonQ already delivered a real-world win in ...

Most of what a quantum computer does is not quantum. The processor that manipulates qubits sits in a chamber cooled to about 10 millikelvin, colder than outer space ...

Quantum computing has long been the technology that always seems to be 10 years away. Now, one of the most senior technology ...

American startup PsiQuantum has begun construction on a facility in Moreton Bay, Australia, where ...