> "For example, bullet-proof vests and body armor are made of kevlar, a plastic that consists of rigid molecular rods aligned in a parallel structure – however,

> "For example, bullet-proof vests and body armor are made of kevlar, a plastic that consists of rigid molecular rods aligned in a parallel structure – however, interweaving polymer strands have the potential to create much tougher, lighter and more flexible materials in the same way that weaving threads does in our everyday world."