Ripples spreading across a calm lake after raindrops fall—and the way ripples from different drops overlap and travel outward ...

IonQ holds the world record for two-qubit gate fidelity at 99.99%. No other company has crossed the 99.9% two-qubit gate fidelity threshold, placing IonQ in a league of its own. IonQ surpassed the ...

Quantum computers, systems that process information leveraging quantum mechanical effects, could soon outperform classical computers on some complex computational problems. These computers rely on ...

From left) Yuetsu Komada, Mitsuhisa Sato and Tamiya Onodera. © 2026 RIKEN A pioneering project led by RIKEN is underway to ...

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 ...

On November 12, Ray Harishankar, IBM Fellow at IBM Research, appeared on a CNBC interview to discuss how quantum computing is ...

Quantum computing is a difficult area to invest in. It's similar to investing in early-stage biotechs, where there are some ...

Japan has put a real ion-trap quantum device online, making it accessible through the cloud Japan has taken a practical step ...

Microsoft has one. Google and IBM also have one. And several smaller companies, including Copenhagen-based Sparrow Quantum, have one too. The quantum ...

Quantum Computing Advantage will Arrive Next Year. Are you ready? Know which quantum company to invest in? Read this and ...

Two of those early movers are IonQ ( IONQ +3.12%) and Rigetti Computing ( RGTI +1.91%). Both of these quantum stocks are volatile and richly valued relative to their near-term growth; however, which ...