Small post-it notes are everywhere: for fear of forgetting the meeting time, post one! Suddenly have a whimsical idea, post one! Need to leave a message, post one! But you may not know that such a convenient post-it note was invented because of two accidents.In 1966, Spencer F. Silver received his P Read More

For this little piece of paper, the American industrial giant 3M has quarreled with an inventor for decades, and is now in court again.3M said that the sticky notes were invented by its own researchers Arthur Fry and Spencer Silver in 1974, went public in 1977, and began mass sales in 1980.Inventor Read More