A new self-densifying technique for creating super-strong wood could bring about a new stronger building material.
Individual wood fibers are made up mainly of cellulose, along with a binder material known as lignin. This mixture forms the wall of what is essentially a long hollow tube – the fiber – which runs lengthwise within the larger piece of wood. The hollow space inside the tube is called the lumen, and it is what limits wood’s strength. A team from China’s Nanjing University rece...