Voith Schneider Propeller(en.wikipedia.org)
121 points by Luc | 33 comments
First screen, captured .
Looks similar
Artificio de Juanelo(en.wikipedia.org)
86 points by benbreen | 10 comments
Blue iceberg(en.wikipedia.org)
74 points by thunderbong | 11 comments
Vacuum airship(en.wikipedia.org)
87 points by guerrilla | 56 comments
Mecanum Wheel(en.wikipedia.org)
54 points by simonebrunozzi | 23 comments
Boustrophedon(en.wikipedia.org)
43 points by slondr | 20 comments