Were Pyramids, the last of the ancient world wonders, made by aliens, slaves, brilliant architects...or physicists?? These ancient Egyptian structures told accurate time and location, as well as used errors and limits for precision. The techniques and materials used to build these megalithic structures about 3000 B.C. are still revolutionary in many ways. Tombs for kings, or shining stars on Earth, or agricultural devices for the civilians; find out how these megaliths defined modern-day science-4500 years ago!