I have a friend who still looks out for her stolen bike wherever she goes. She might not be so obsessed with the loss if the bike had been made for $9 out of recycled cardboard.
Bike enthusiast and designer Izhar Gafni built a functioning bicycle out of cardboard. The inspiration came from a another inventor's cardboard canoe project.
Gafni ran his idea by some engineers who told him to give up the dream, that it was impossible. He tried it anyway. The result is an attractive, working bike that costs as little as $9 to make. Of course, that price tag doesn't include the immense amount of R&D time Gafni put into it.… Read more