Google's Willow achieves Magic State Cultivation, cutting errors ~40x

Gaiden206 · reddit · 2026-10-16

Google Quantum AI demonstrated that "Magic State Cultivation" works in practice on its Willow processor, reducing errors about 40x compared to running without it. The result, published in Science, addresses a key bottleneck on the path to fault-tolerant quantum computing and marks a crucial step toward scaling quantum computers to practical use.

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