fault-tolerant quantum computing

https://storyquanta.com/s/GDESP5I57du56QJ9UAwzY

Fault-tolerant quantum computing is the holy grail of the field, because qubits are fragile and errors are inevitable. The idea is to use lots of extra qubits and clever error-correcting codes to make a logical qubit that's much more reliable than any physical one. It's like building a super-reliable server from unreliable parts, and it's essential for building a truly useful quantum computer that can run long, complex algorithms without falling apart.