You think there has been no net progress in QC or fusion? There has been a lot of progress, but not to the point where we can make practical use of them yet.

You think there has been no net progress in QC or fusion? There has been a lot of progress, but not to the point where we can make practical use of them yet. Some problems are just harder than others. Maybe some of them are not soluble, or some are not economic. We won't know if we don't try, and they hold out great promise.