Capturing data…
Capturing data…
SAT, 17 OCT · 80 ITEMS
New Scientist, Scientific American · Science & Medicine
Google Quantum AI has demonstrated a more efficient method of on its Willow quantum processor, specifically by 'cultivating' —special quantum states needed for fault-tolerant quantum computation. The technique reduces state-preparation errors roughly 40-fold, achieving 99.99% , and shows these cultivated states can be transferred between different , a step toward practical, scalable quantum computing.
The claim is based on a Google Quantum AI research announcement, reported by New Scientist and other outlets. As an aggregated secondary report without a cited primary paper, the specific figures (40-fold reduction, 99.99% fidelity) come from the researchers' own description and have not been independently verified; the underlying work is credible but the reporting sits at a distance from the primary source.
This is genuinely new, published on 2026-10-15/16, with the underlying research announced in the same window.
We covered Google's earlier work on using reinforcement learning to control quantum error correction in July 2026, which is a different approach to the same underlying challenge of making quantum error correction more efficient.