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Google Unveils 105-Qubit Willow Chip, Claims Quantum Supremacy and Exponential Error Correction
12/9/2024
Google's 105-qubit Willow chip achieved quantum supremacy and demonstrated exponential error correction, suggesting self-improving reliability with scaling.
Google's quantum computing efforts saw a significant announcement on December 9, 2024, with the unveiling of its 105-qubit superconducting Willow chip. This announcement was accompanied by a bold claim of quantum supremacy: the Willow processor reportedly performed a standard benchmark computation in under five minutes, a task that would theoretically take the world's second-fastest supercomputer, Frontier, an estimated 10 septillion (10^25) years to accomplish. More critically, Google asserted that Willow's error correction capabilities increase exponentially as its qubits are scaled up. The team demonstrated that as the qubits were made larger, they exhibited half as many errors as the physical qubits comprising them. If this exponential increase in error correction is sustainable and scalable, it represents a profound development, suggesting a self-improving characteristic in their quantum hardware where the act of scaling itself inherently enhances reliability, fundamentally altering the timeline for achieving truly useful quantum computers and pushing the boundaries of what is computationally feasible.