A fascinating infographic highlights 14 incredible inventions that were discovered entirely by accident. The list includes household names like WD-40, Play-Doh, penicillin, the Dustbuster, Viagra, bubble wrap, Corn…



Play-Doh began life as a wallpaper cleaner in the 1930s, invented by Noah McVicker for the Cincinnati soap company Kutol Products. When coal-based heating declined, so did demand for the cleaner.