Spider silk is a sought after biomaterial, also known as gossamer. It is a protein fiber prepared in the glands of a spider. It is flexible and lightweight. It is waterproof and has tensile strength similar to that of steel. It can be strained up to 40% of its original length, without breaking. It contains more than 98% water. Laboratory-based spider silk is prepared from hydrogel, which consists of 98% water & 2% of cellulose and silica. Silica & cellulose are ... Read more