Quantum Computing, Fault Tolerance, Error Correction, Logical Qubits.
qubits https://arxiv.org/abs/1905.09749 20 million physical qubits = 6,176 logical qubits with 3,238 physical qubits per logical qubit. A million: “Other technologies, because of their poor gate fidelity and qubit connectivity, might need 1,000, 10,000 or even 1,000,000 qubits to create a single