Philip Ball explores the latest developments in the quantum-computing industry as part of our International Year of Quantum Science and Technology coverage.
Quantum computing is booming in the business world, with around 400 competing companies, various qubit platforms, and different measures of merit.
"I'd be amazed if quantum computing produces anything technologically useful in ten years, twenty years, even longer."
University of Oxford physicist David Deutsch, considered the father of quantum computing theory, made this statement in 2004, adding "I've been amazed before."
Author's summary: Quantum computing industry is booming with 400 companies.