A spud gun can hurl potatoes hundreds of feet at close to 400 miles per hour. But why is this staple of the dinner table such a popular projectile? Learn the science of spud guns and how they can be customized.
Metal locks come in a variety of shapes, sizes and are made of various materials. Some locks have the words "Case Hardened" stamped on it. What does "Case Hardened" mean? See more »
A number of tools, like wrenches and C-clamps, have the words "Drop Forged" stamped on the handle. What does that mean? Find out with the help of this article. See more »