Quantinuum lost nearly $200 million last year, saw revenue drop the first quarter of 2026, and says its technology may never work–yet investors are clamoring to buy the stock. The quantum-computer ...

Useful, error-free quantum computers could be ready in just two years, researchers at the quantum computing firm QuEra have claimed. Quantum computing is a quickly maturing technology, and the ...

Quantum computers are often benchmarked by the number of quantum bits (qubits) they have, but a large collection of unreliable qubits is no more useful than a football team of unskilled players.

Amazon AI executive Peter DeSantis told CNBC that in five-to-seven years, "we're going to start to see the first commercially useful small-scale quantum computers." DeSantis leads a new Amazon ...

OAK RIDGE, Tenn. (WATE) – Oak Ridge National Laboratory is welcoming a quantum computer, that outperforms the most powerful supercomputers by using the principles of quantum mechanics. Quantum ...

Alphabet is one of the most potent competitors in the quantum computing space. It has some of the most resources of anyone competing, fueled by growing cash flows from its advertising, cloud computing ...

Scientists at RIKEN have proposed a new way to make quantum systems synchronize in only one direction—like a one-way street for sound particles known as phonons. The breakthrough combines two quantum ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. “We used to talk about 2033 as a timeline for a scalable machine,” Zulfi Alam, Microsoft’s ...

Pathfinder, a 20-qubit IQM Radiance system, is now operational at the home of Frontier, the world's most powerful supercomputer for open science. It’s ORNL's first commercially procured quantum ...

Quantinuum started trading on the Nasdaq on Thursday under the ticker QNT. The firm was founded from the merger of Honeywell's quantum computing division and UK-based Cambridge Quantum. Quantum stocks ...