Polyurethane

In another case of Nature to the Rescue, scientists have come up with a polyurethane coating that repairs itself in the sun. The secret ingredient: chitosan, which comes from the shells of crustaceans and is also used for water filtration, blood clotting and as a diet aid. The common principle ...

Click above for an extensive photo gallery of the work in progress... Polyurethane, the wonder-polymer used in everything from appliances and textiles to electronics and footwear, is apparently the car building material-of-choice for this "sculptor" in Lithuania. You'd recognize his particular ...