Quantum Computing, Fault Tolerance, Error Correction, Logical Qubits.
https://www.ibm.com/blogs/research/2020/09/hardware-aware-quantum/ NISQ simulators vs. post-NISQ simulators Technically, even NISQ simulators are theoretically impractical since intermediate-scale supposedly starts at 50 qubits (50 to a few hundred) which is believed to be just past the end of the