Quantum Computing, Fault Tolerance, Error Correction, Logical Qubits.
the technology. In a nutshell The key points of this informal paper: NISQ is better than nothing, but… NISQ is not enough. Noisy qubit algorithms won’t be scalable to significant circuit depth. Perfect qubits would be best, but… If we can’t have perfect qubits, logical qubits would be good enough.