With patents on everything from fountain pens to rifles, Walter Hunt has sometimes been called "America's forgotten inventor." However, his most successful invention is incredibly commonplace -- tune in and learn more about the safety pin. http://howstuffworks.com http://www.facebook.com/StuffofGenius http://itunes.apple.com/us/podcast/the-stuff-of-genius/
Questions about The Stuff of Genius - The Safety Pin
Want more info about The Stuff of Genius - The Safety Pin?
Get free advice from education experts and Noodle community members.