For decades, quantum computing has been heralded as a technology of the future, promising to solve problems far beyond the reach of supercomputers. But its practical use has remained elusive. That’s ...

Amid some scepticism, many say the machines can now achieve results beyond the capability of traditional computers ...

IBM, Alphabet, and Microsoft sit at the top of UBS’s latest ranking of companies pushing toward practical quantum computing.

A device smaller than a grain of dust may help unlock the kind of quantum computers people have only dreamed about. Built on a standard microchip and almost 100 times thinner than a human hair, this ...

Quantum computing has long lived in the realm of lab demos and bold PowerPoint slides, but two of the industry’s biggest players now say the first truly useful machines are less than five years away.

In a major step toward practical quantum computers, Princeton engineers have built a superconducting qubit that lasts three times longer than today’s best versions. “The real challenge, the thing that ...

Ripples spreading across a calm lake after raindrops fall—and the way ripples from different drops overlap and travel outward—is one image that helps us picture how a quantum computer handles ...

In the education space, quantum computing could usher in an entirely new generation of customized AI tutoring, though it ...

Crane Harbor’s merger with Xanadu targets a $3.6B valuation in quantum computing, but profits look years away and dilution ...

D-Wave remains unprofitable but has amassed significant cash to fund operations. If there was ever a time to buy shares of ...

Alphabet generated $73.5 billion in free cash flow over the last 12 months. Committing even $1 billion per year to quantum ...