Remember this? Still pretty crazy! But maybe a little less so after taking a look at David Goldman’s theory of how exactly this contraption was put together:
https://gizmodo.com/watch-eschers-impossible-perpetual-motion-waterfall-bro-5762030
It’s amazing what a little forced perspective and careful editing can do. Remember, though, that this is pure speculation. There’s still a distinct possibility that the real answer is magic. [BoingBoing]
