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Google’s Quantum Echoes Experiment
December 17 , 2025
15 hrs 0 min
41
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- Google has conducted a Quantum Echoes experiment using its 65-qubit Willow quantum processor.
- The experiment studied how quantum information spreads and returns inside a quantum system.
- Scientists used an Out-of-Time-Order Correlator (OTOC) to measure this information flow.
- The experiment increased concern about Q-Day, when quantum computers may break present-day encryption.
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