SAN FRANCISCO (Reuters) -International Business Machines on Tuesday said it plans to have a practical quantum computer by 2029, and it laid out the detailed steps the company will take to get there.

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.

Quantum Art's new QPU could be both significantly smaller and also faster than competing quantum architectures. How can we reinvent quantum computing? Perhaps by shrinking it down and making it small: ...

After many years of work, Microsoft has unveiled its first quantum hardware, the Majorana 1 processor. Let’s grok its topoconductor and tetron-based qubits. There’s a race going on. Not the one to ...

Forbes contributors publish independent expert analyses and insights. Journalist, analyst, author, podcaster. Traditional quantum computing happens in huge buildings with expensive isolation from ...