The safety pin is a small domestic object that appears settled and complete, yet it carries a design feature that invites repeated questions. The circular hole at the end of the clasped arm has ...

Add Yahoo as a preferred source to see more of our stories on Google. While wearing clasps has been in style since ancient Greece (brooches that fastened to togas were the mode du jour), the humble ...

If there’s isn’t a board game where everyday objects are described and then guessed there should be. In 1849 US mechanic Walter Hunt (1796-1859) filed patent 6,281 for “a pin made of one piece of wire ...