Astronomy and Timekeeping The Inca's Mastery of the Cosmos

The Inca left ample evidence of the other attributes: monumental architecture, technology, urbanization and political and social structures to ... New radiocarbon dates indicate that Inca metallurgical activities in Copiapó valley co-opted a previous local site and technology. However, the Incas did not ... The Inca didn't have a written language. Instead, they used knotted cords called quipu (KEE-poo) to keep records. Experts think that things like the style of ... This shows how the close ties of the history of technology with economic history and history of science have made scholars interested in ... Aztec Civilization The Aztec civilization has also made substantial contributions to science and technology and to the society as a whole. Some of their ... ' Although, the Inca did not have a written language, by using quipus they were able to keep detailed records of all sorts of things across the empire. The first few rains in Q'ente Killay made him aware that the time had come to build. Before starting, Quispe did what is done in the Andes when ... Like our Indo-Arabic numeral system, Inca quipu use a base-ten decimal system. The knots have different positions on the string, which represent ... Semih Koray received his Ph.D. in mathematics from Boğaziçi University in 1980. He has several articles published in journals such as Social ... Inspired by recent archaeological research, they are rebuilding terraces and irrigation systems and reclaiming traditional crops and methods of ...