Image by Loek van der Klis.

Theo Jansen, a Dutch Engineer, something like a hero of combining art and engineering. He came into the public's focus through a South African BMW commercial. After that, he has been invited to all major intellectual conferences, explaining his work.
And it's truly impressive. Using simple plastic tubes, he has been developing mobile kinetic constructions. Through using the principals of evolution, Theo Jansen was able to find the perfect proportions to allow his creations to walk, powered by wind only.