X @Nick Szabo

RT Nick Szabo (@NickSzabo4)@jasoncrawford I am extremely skeptical of this claim. Most economic historians, not understanding the tech, look at the outside & it looks all wood but it just ain't so. e.g. 1817 Laufsmachine had brass ball bearings:https://t.co/UrGiRzthcvDetails matter. Mechanical engineering matters. ...