X @Nick Szabo
Nick Szabo·2026-02-18 03:18
RT Nick Szabo (@NickSzabo4)@jasoncrawford Wooden plain bearings had a considerably greater friction (and thus much less energy efficiency) than well-machined metal plain bearings, in turn inferior to ball bearings. Horses couldn't have carried nearly this much of their own fuel around in the Middle Ages: https://t.co/jjjLTySOo4 ...