I found this interesting article … sharing …
Israeli inventor Izhar Gafni holds his cardboard bicycle as he poses for a photo in Moshav Ahituv, central Israel September 24, 2012. The bicycle, made almost entirely of cardboard, has the potential to change …
http://news.yahoo.com/cardboard-bicycle-change-world-says-israeli-inventor-090732689.html
By Ori Lewis and Lianne Gross | Reuters – Mon, Oct 15, 2012