Category Business

How a wallpaper idea popped into Bubble Wrap

In 1957, Swiss inventor Marc Chavannes and American engineer Alfred Fielding tried to revolutionize interior décor with a new kind of textured plastic wallpaper. They used a heat-sealing technique to trap air between two plastic shower curtains, producing sheets of…

How a choir book helped invent Post-it notes

One Sunday in 1974, Art Fry, a 3M engineer and choir singer, grew frustrated when the bookmarks kept falling out of his hymn book. That minor inconvenience sparked a major innovation. Fry recalled a low-tack adhesive developed by his colleague,…

The story behind the smiley face

The iconic yellow smiley face was created in 1963 by American graphic artist Harvey Ross Ball. Hired by the State Mutual Life Assurance Company of Worcester, Massachusetts, Ball was asked to design an image to boost employee morale after a…