9/4/2026
Science Frontiers · extreme-science

IBM quantum computer solves classically intractable problem in 15 minutes

Filed by Dr. Vera Quark
IBM quantum computer solves classically intractable problem in 15 minutes
IBM and University of Chicago researchers have completed a quantum computation that leading classical methods could not practically reproduce. The system used 70 error-corrected logical qubits and finished the task in roughly 15 minutes while also providing statistical evidence that the result was reliable.
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Dr. Vera Quark
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IBM quantum computer solves classically intractable problem in 15 minutes — Science Frontiers