- Google’s quantum chip, Willow, executes calculations in minutes that would take classical supercomputers 10 septillion years to complete.
- The Willow chip addresses quantum error correction challenges, reducing error rates as qubits scale up and enabling more reliable quantum computing.
What happened: Revolutionising tasks beyond classical capabilities with unprecedented speed
Google has unveiled its next-generation quantum chip, Willow, marking a groundbreaking leap in quantum computing. This 105-qubit chip reduces errors exponentially and performs calculations exponentially faster than classical supercomputers. One benchmark task that would take a classical supercomputer 10 septillion years to complete is achieved by Willow in under five minutes. The chip’s advanced design addresses long-standing quantum error correction challenges, enabling better scalability and reliability.
Developed at Google’s Santa Barbara facility, Willow represents a major step towards achieving practical and commercially viable quantum applications. Its enhanced capabilities allow for error reduction even as the number of qubits increases. Hartmut Neven, head of Google Quantum AI, called this accomplishment a critical milestone in the decade-long effort to build a useful quantum computer.
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Why it’s important
Willow’s breakthrough in reducing quantum computational errors marks a significant milestone in quantum technology, demonstrating the feasibility of scaling quantum systems for practical applications. Quantum error correction has long been a significant challenge in quantum computing, as qubits are highly susceptible to errors due to their interaction with the environment. With Willow’s ability to exponentially reduce error rates, it opens the door to a new era where quantum computing can tackle real-world problems that classical systems struggle with.
This progress has the potential to revolutionise multiple industries, especially those where classical computers are limited. For instance, in drug discovery, Willow’s computational power could simulate complex molecular interactions, accelerating the development of life-saving medicines. Similarly, in energy storage and sustainable energy development, quantum computing could optimise designs for more efficient batteries and energy systems, supporting the transition to greener energy sources. By laying the groundwork for scalable and reliable quantum hardware, Willow is positioned to address some of humanity’s most pressing challenges, including climate change and healthcare advancements.
