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The Express Gazette
Monday, October 19, 2026

Quantinuum Claims Milestone Paving Way for Fault-Tolerant Quantum Computing by 2029

The company announced a significant achievement in quantum error correction, a critical step toward reliable quantum computers.

Technology & AI • 3 hours ago
Quantinuum Claims Milestone Paving Way for Fault-Tolerant Quantum Computing by 2029

Quantinuum, a quantum computing company, announced a technical milestone that it says puts it on a path to achieving fully accurate and reliable quantum computers by 2029. The company has achieved a significant step in quantum error correction, a crucial hurdle for developing functional quantum machines.

Quantum computers hold the promise of solving complex problems currently intractable for even the most powerful classical supercomputers. However, they are highly susceptible to errors caused by environmental noise and imperfections in their quantum bits, or qubits. Developing robust error correction methods is essential to overcome this fragility and enable reliable computation.

Quantinuum's announcement suggests a potential acceleration in the timeline for fault-tolerant quantum computing, a state where errors can be detected and corrected faster than they occur, allowing for sustained and accurate calculations. The achievement details a path toward building quantum computers that can be trusted for complex scientific and commercial applications.


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