Google Willow quantum chip claims verifiable advantage, what it means
Google says its Willow quantum chip, running a new “Quantum Echoes” algorithm, completed a physics task orders of magnitude faster than the best classical approach […]
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IonQ claims 99.99% two-qubit gate fidelity—record set, questions remain
IonQ says it has crossed the “four-nines” line—99.99% two-qubit fidelity—using its Electronic Qubit Control (EQC) approach. That edges past 2024’s 99.97% mark and, on paper, […]