Sheer bloodyminded cultural momentum has a lot to answer for. Thankfully, excepting the occasional conversion flub from NASA and structural engineers, American

Sheer bloodyminded cultural momentum has a lot to answer for. Thankfully, excepting the occasional conversion flub from NASA and structural engineers, Americans that need to use the metric system usually know how to use the metric system. So don't dismiss quite all of us as backwards wankers quite yet...