Cybersecurity experts often warn that a moment known as Q-Day is nearby—a day when quantum computers will become powerful ...

Quantum computing holds great promise in such such as computational chemistry and high-speed networking. But they’re so ...

Quantum computers promise to speed calculations dramatically in some key areas such as computational chemistry and high-speed networking. But they're so different from today's computers that ...

The system, developed by Toshiba Europe, spanned 254 kilometers (158 miles) between the German cities of Frankfurt and Kehl, ...

A new leap in quantum technology is changing how scientists keep qubits—quantum computing’s building blocks—ready for work. Researchers have created a tiny refrigerator that can cool qubits to lower ...

Such molecules would be suited to acting as quantum bits, or qubits, the basic unit of information in quantum systems. But ...

David: This was written when quantum theory was still new. One of the people at the beginning of this new science was Erwin ...

A new benchmark performed on chips from five different vendors has indicated how we can measure QPU performance as quantum computers become more advanced and useful.

Physicists have successfully played a mind-bending “quantum game” using a real-world quantum computer, in which lasers ...

Imagine playing the tiniest game of checkers, where the pieces are atoms and lasers move them around a tiny board. That’s not ...

IonQ and Rigetti Computing have surged 600% and 1,100%, respectively, since 2023 but could remain underdogs against this technology juggernaut.

Quantum effects like superposition and entanglement have long been seen in single particles, but physicists are on a quest to ...