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Prototype quantum processor boasts record 99.9% qubit fidelity

Live Science
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IQM Quantum Computers in Finland say they have made inroads toward "fault-tolerant" quantum computing.

They say they achieved record-low error rates in a prototype quantum processor.

The technology could pave the way to more practical and stable quantum computers.

IQM 's 20 -qubit processor is its most powerful machine today .