A failed experiment in 1942 led to the accidental discovery of super glue. Scientist Harry Coover was trying to develop clear plastics for military gun sights. The substance proved difficult to work with, sticking to everything. Years later, Coover realized its potential as a fast-acting adhesive. This accidental invention transformed how we repair objects, from household items to medical applications.source https://timesofindia.indiatimes.com/life-style/spotlight/in-1942-a-wartime-mistake-by-harry-coover-created-the-secret-formula-for-super-glue/articleshow/130626288.cms