For an invention so world-changing as the wheel ... but instead a potter’s wheel constructed in Mesopotamia (likely by the Sumerians) around 4000 BCE. Yet another theory points to northern ...
The Archimedes screw, an ancient Greek invention for lifting water. Learn about its origins, how it works, and its modern ...
The four original inventions of writing are in Mesopotamia, Egypt, China, and the South American Mayan culture. There may, however, be another source. There are cases in modern India and Pakistan ...