Why Quantum Error Correction Is The Real Bottleneck

Most headlines focus on qubit counts, but the real battle in quantum computing is error correction. We break down how logical qubits are built from physical ones, why the overhead is staggering, and what companies like IBM and Google are actually doing to fix noise. This episode explores the specific engineering trade-offs between surface codes and newer approaches, revealing why we might see useful quantum advantage in finance or chemistry years after the hardware races slow down.

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