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The plates of the quantum calendar

Quantum Echoes

Google runs an OTOC algorithm on its Willow chip, 13,000 times faster. The plate the Quantum.world front page drew for 22 Oct 2025, a day in the history of quantum physics.

The plate for 22 Oct 2025: Quantum Echoes, drawn in white lines on the violet sheet

22 OCT 2025 · Paper

Google runs an OTOC algorithm on its Willow chip, 13,000 times faster

Drawn for 22 Oct 2025, on the front page on its day

Sources

  1. blog.google/technology/research/quantum-echoes-willow-verifiable-quantum-advantage/
  2. www.nature.com/articles/s41586-025-09526-6

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