> So which is it, 'it is stronger' or 'it should be stronger'? That language simply acknowledges that to date, the work is mostly theoretical -- they don't hav

> So which is it, 'it is stronger' or 'it should be stronger'? That language simply acknowledges that to date, the work is mostly theoretical -- they don't have enough material to perform empirical measurements. Another way to say it is that it's theoretically stronger, and it will probably be stronger in reality as well.