The new algorithm successfully computed the structure of a molecule—an achievement the company says could pave the way for breakthroughs in medicine and materials science.

“This is the first time in history that any quantum computer has successfully run a verifiable algorithm that surpasses the ability of supercomputers,” Google said in a blog post. “This repeatable, beyond-classical computation is the basis for scalable verification, bringing quantum computers closer to becoming tools for practical applications.”

The company acknowledged, however, that widespread real-world use of quantum computers remains several years away.

Michel Devoret, chief scientist at Google’s Quantum AI unit and a recent Nobel laureate in physics, described the result as “another milestone” for the field. “This marks a new step towards full-scale quantum computation,” he said.

According to a peer-reviewed paper published in Nature on Wednesday, Google’s quantum computer performed the molecular calculation 13,000 times faster than a classical system could.

Experts have hailed the feat as a demonstration of “quantum advantage,” a term used when a quantum computer performs a calculation that no classical computer can efficiently replicate.

Winfried Hensinger, a professor of quantum technologies at the University of Sussex, said the breakthrough was significant but cautioned against overhyping its immediate implications. “It’s important to understand the task Google has achieved is not quite as revolutionary as some of the world-changing applications that are anticipated for quantum computers,” he said. “However, it is yet another convincing proof that quantum computers are gradually becoming more and more powerful.”

Despite the achievement, fully fault-tolerant quantum computers capable of solving complex, real-world problems are still years away. Experts say such systems would require hundreds of thousands to millions of qubits—the fundamental units of quantum information—while current machines remain limited and highly unstable.

Hartmut Neven, Google’s vice president of engineering, said the algorithm—dubbed quantum echoes—could accelerate progress toward that future. “Real-world use of quantum computers might still be five years away,” Neven said, “but each breakthrough brings that future closer.”

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TECH DIGEST – Latest estimates show increasing confidence that quantum computers will solve major problems that are beyond the reach of traditional computers.

A milestone known as quantum advantage has grown fast in the past twelve months, according to a new report by Boston Consulting Group (BCG), titled, What Happens When “If” Turns to “When” in Quantum Computing?

Investors are moving aggressively to increase the amount they allocate to quantum computing, with two-thirds of all equity investments in the field coming since 2018.

Through 2017, those investments totaled ~$600 million, and that amount nearly doubled over the next three years.

At the same time, companies are also significantly upping their Quantum Computing investment, with 20% expected to dedicate resources to quantum technology by 2023, up from just 1% in 2018, according to a recent Gartner prediction.

Jean-Francois Bobier, a BCG partner and director, and a co-author of the report, predicts the acceleration will continue.

“Recent advances and roadmaps from major hardware companies such IBM, Google, Honeywell, IonQ, PsiQuantum and others have increased the confidence that we will have machines powerful enough to tackle important business and society problems before the end of this decade. Impacted companies and governments should get prepared for an accelerated timeline,” said Bobier.

This upturn in investment is driven by major advances in quantum computing technology and predictions of massive performance and profit improvements as a result of this new capability.

The BCG research estimates that quantum computing will unlock new value across many industries, creating up to $850 billion in annual value by 2040.

Much of the new investment is being directed toward the challenge of developing lower cost and more reliable quantum computing hardware.

Researching and engineering the quantum bits (qubits) that power the computers is extremely difficult and expensive.

In 2020, a total of $675 million in equity investments flowed to quantum computing, with $528 million of that going to hardware development.

The year before, the total venture capital of just $211 million was split evenly between hardware and software.

BCG expects 2021 to break previous records, with more than $800 million in investments.

BCG predicts a race between five competing quantum hardware technologies over this decade. As of today, they all bear unique performance and scalability tradeoffs, and the jury is out on which ones will achieve a decisive advantage.

Large, established companies such as IBM, Google, Honeywell and Amazon Web Services are heavily investing beside well-funded startups such as IonQ, which went public this year at an estimated initial valuation of $2 billion.

Matt Langione, a BCG principal and another of the report’s authors, predicted a significant surge in institutional and corporate investment in quantum technology.

“The critical change since we last surveyed the market two years ago is the rise of corporate interest and investment. That was the last domino to fall after governments and equity investors began investing heavily,” Langione said.

“Building quantum computers will require not only hardware and software innovations, but also use-case innovation: businesses will need to identify and scope high-value problems for quantum computers to tackle,” Langione added. “That is happening now, and it’s happening with vision and imagination across many industries—not just pharma and financial services, but energy and retail.

Businesses of all kinds are realizing that this isn’t the kind of industry that you’ll simply be able to buy your way into once it matures.”

A copy of BCG’s report can be downloaded here.

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