Torn clothing, long the bane of all humanity (with the exception of the early-'90s grunge scene), may soon no longer require the old standby of a needle and thread.
A team of researchers at Pennsylvania State University has developed a fabric coating that enables garments made of everything from wool to silk to effectively "heal" rips and tears when exposed to water. In a paper published in ACS Applied Materials & Interfaces, the team detailed how fixing large tears could be made as easy as placing a patch on top of the hole and adding water and pressure. This video demonstrates the technique:
source - www.mnn.com/green-tech/