Technology
China Stakes Its Claim to Quantum Supremacy – WIRED
Google trumpeted its quantum computer that outperformed a conventional supercomputer. A Chinese group says it’s done the same, with different technology.
Last year Google won international acclaim when its prototype quantum computer completed a calculation in minutes that its researchers estimated would have taken a supercomputer 10,000 years. That met the definition for quantum supremacythe moment a quantum machine does something impractical for a conventional computer.
Thursday, Chinas leading quantum research group made its own declaration of quantum supremacy, in the journal Science. A system called Jiuzhang produced results in minutes calculated…
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