Self Healing Fabric

Often, in destinations by the Mediterranean coast, small port markets are selling natural sponges from the sea. These sponges are multi-cellular, and when the cells are separated, they join up together to become whole new sponges. If they were to be torn apart and placed back in the sea, they would heal themselves, as they would gradually regroup and become one. What if our favourite damaged shirt could similarly heal itself magically?

Today, a group of Pennsylvania State University researchers are looking...