Episode 3 dives into quantum error correction (QEC) — the unsung engineering challenge that determines whether a quantum computer actually works. Lucas and Luna break down the surface code, logical qubits vs. physical qubits, and why Google's Sycamore processor needed a 1,000-to-1 overhead to run a single logical qubit. They contrast superconducting and trapped-ion approaches, explain why error thresholds matter more than qubit count, and explore the business implications for companies like IBM and Quantinuum. If you think quantum advantage is just about more qubits, this episode will change your mind.

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