Just because somebody can make a 3D animation of something doesn't mean that they can build it. I know it's a "concept", but so is this: http://www.youtube.com/

Just because somebody can make a 3D animation of something doesn't mean that they can build it. I know it's a "concept", but so is this: http://www.youtube.com/watch?v=nE4Wn0cjrO4 http://www.youtube.com/watch?v=nE4Wn0cjrO4 (German, but video speaks for itself)