A set screw is a type of fastener with a head no larger than the body, often with a recessed drive port. They are used in mechanical systems where metal surfaces rub against each other and where recessed screws are needed for aesthetic or safety reasons. Advantages include resistance to corrosion and the ability to […]
The Headless Pyramid in Saqqara, Egypt was rediscovered in 2008 after being lost for over 150 years. It was first located by German archaeologist Karl Lepsius in the 1800s, but was covered by quicksand shortly after. The pyramid is badly eroded and believed to have been built to honor King Kenkauhor in the Old Kingdom. […]
The Headless Horseman, a Hessian soldier killed in the Revolutionary War, haunts Sleepy Hollow in Washington Irving’s short story “The Legend of Sleepy Hollow.” The ghost chases protagonist Ichabod Crane, and the story’s ending is ambiguous. The character has become a literary legend and has been adapted into various forms of popular culture. Perhaps one […]