Artificio de Juanelo(en.wikipedia.org)
86 points by benbreen | 10 comments
86 points by benbreen | 10 comments
74 points by thunderbong | 11 comments
155 points by atan2 | 42 comments
107 points by limbicsystem | 29 comments
9 points by joebig | 5 comments
79 points by breppp | 21 comments