Quantum computing on the verge: a look at the quantum marketplace of today – Physics World

Quantum Computing on the Verge

Philip Ball explores the latest developments in the quantum-computing industry, part of the International Year of Quantum Science and Technology coverage.

Quantum computing is booming, with around 400 competing companies and various qubit platforms. The industry is rapidly developing, with many measures of merit.

"I'd be amazed if quantum computing produces anything technologically useful in ten years, twenty years, even longer."

David Deutsch, often considered the father of quantum computing theory, made this statement in 2004, but added "I've been amazed before."

Author's summary: Quantum computing is rapidly developing with many companies and platforms emerging.

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Physics World Physics World — 2025-10-14