A classic Japanese Katana, with a thickness of around 2-3 inches, has over 2000, hand-folded layers of steel. To put this into context, if you fold a sheet of paper 15 times, it will reach a height of 3 meters, or, in other words, Shaq with about 3 burritos on his heads. The swords were so powerful that foreigners would often find their blades shattered within seconds of a fight. So I guess the question on your mind is, what the hell does any of this have to do with Bayesian Statistics???
