Google CEO Sees ‘Useful’ Quantum Computers 5-to-10 Years Away

Quantum computers that are “practically useful” are 5-to-10 years away, Google Chief Executive Officer Sundar Pichai said, comparing the groundbreaking technology to where artificial intelligence was about a decade ago.

“The quantum moment reminds me of where AI was in the 2010s, when we were working on Google Brain and the early progress,” Pichai, who is also CEO of Google parent Alphabet Inc., said at the World Governments Summit in Dubai on Wednesday.

Governments, led by the US and China, and corporations are pledging billions of dollars to quantum computing research in the pursuit of the futuristic technology. Quantum ...