Quantum computers will finally be useful: what’s behind the revolution

undefined 4, 2026

Source: nature

Quantum computing is seeing a major shift as recent breakthroughs suggest useful, fault-tolerant machines could arrive within a decade. Advances in hardware, control, algorithms, and especially quantum error correction have sharply reduced error rates. Multiple teams have now crossed key thresholds showing errors can be reliably suppressed, boosting confidence that large-scale quantum computers capable of solving real-world problems are achievable much sooner than expected.

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