Accord­ing to physi­cists, true large-scale quan­tum com­put­ing will require an error rate of around one in a mil­lion, but the best cur­rent error cor­rec­tion tech­nolo­gies can only achieve rates of around one in a thou­sand.
Accord­ing to physi­cists, true large-scale quan­tum com­put­ing will require an error rate of around one in a mil­lion, but the best cur­rent error cor­rec­tion tech­nolo­gies can only achieve rates of around one in a thou­sand. So, there is still a long way to go.