Google: Willow chip cuts quantum errors 40x — SkimNews
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- Google said "magic state cultivation" works in practice on its Willow quantum processor, calling it a breakthrough that reduces errors by about 40x
- Google Quantum AI stated it had "demonstratively opened" the technique on its hardware in a public post
Why it matters: Error reduction is the central bottleneck for useful quantum computing, and Google is publicly claiming a ~40x improvement on its Willow chip — a concrete, named milestone rather than a theoretical projection. If the figure holds up to independent scrutiny, it narrows the gap between lab demonstrations and fault-tolerant quantum machines.
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