3 ms·You're right, of course: I should have written 'discovered.'by zeveb 6y agoYou're right, of course: I should have written 'discovered.'Jedd 6y agoVery droll. Perhaps 'implemented' would be better. But to claim imperial measurements were key to implementing a very short powered heavier-than-air flight (lots of qualifiers, given myriad successful flights had occurred prior) is a stretch.zeveb 6y agoNot key, just not an impediment.