BMW (South Africa). Defining innovation. Theo Jansen - Flickr: Search. STRANDBEEST. Self-propelling beach animals like Animaris Percipiere have a stomach .
This consists of recycled plastic bottles containing air that can be pumped up to a high pressure by the wind. This is done using a variety of bicycle pump, needless to say of plastic tubing. Several of these little pumps are driven by wings up at the front of the animal that flap in the breeze. It takes a few hours, but then the bottles are full. They contain a supply of potential wind. Theo Jansen | Profile on TED.com.