Step aside Superman, steel is no competition for this new material

When it comes to materials, there is no question as to who wins the strongman competition. Spider silk is known as being the strongest fabric, and steel, ceramics and glass fibers are the best building materials. But now, researchers are reporting that specially arranged nano-sized cellulose fibers are the strongest material of them all, in a move that might cause some to re-name Superman the 'man of cellulose.'