The Patent Pending Blog is about the history of technology, especially ancient technology.
Examples of posts include The Largest Stone Moved by Man, and Jean-Pierre Houdin’s thoery of how the great pyramids were constructed.
The Patent Pending Blog is about the history of technology, especially ancient technology.
Examples of posts include The Largest Stone Moved by Man, and Jean-Pierre Houdin’s thoery of how the great pyramids were constructed.