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Physics World

Quantum computing on the verge

Philip Ball

Published Nov 1, 2025• 0 citations
Publisher

Abstract

Quantum computing is booming in the world of business, with about 400 competing companies, lots of rival qubit platforms and varying measures of merit. Philip Ball explores how the quantum tech landscape is developing.
DOI
10.1088/2058-7058/38/11/27

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Quantum computing is the first digital support technology we explore in this book in more detail. It is sometimes portrayed as brilliant scientists exploring the most obscure natural phenomena in exotic laboratories and aiming to build very powerful science fiction supercomputers that are practically capable of doing anything. But this public perception has been changing lately since various tech companies around the world have invested in this technology to apply it to real-life business problems and explore potential use cases. Among them are Google, Microsoft, IBM, and Honeywell, for instance, just to mention a few pioneers in this ongoing field of industrial research. They frequently report on their latest achievements, highlight current business applications, and emphasize the great prospects of this digital technology. Even The New York Times picked up this trend lately and described quantum computing as one of the most “jazziest and most mysterious concepts of modern science” [1].

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Quantum computing is the first digital support technology we explore in this book in more detail. It is sometimes portrayed as brilliant scientists exploring the most obscure natural phenomena in exotic laboratories and aiming to build very powerful science fiction supercomputers that are practically capable of doing anything. But this public perception has been changing lately since various tech companies around the world have invested in this technology to apply it to real-life business problems and explore potential use cases. Among them are Google, Microsoft, IBM, and Honeywell, for instance, just to mention a few pioneers in this ongoing field of industrial research. They frequently report on their latest achievements, highlight current business applications, and emphasize the great prospects of this digital technology. Even The New York Times picked up this trend lately and described quantum computing as one of the most “jazziest and most mysterious concepts of modern science” [1].