Inca Hydraulics Mastery of Water for Irrigation and Life

At the heart of these remarkable social and technological advances is the khipu (or quipu), a data recording device using knotted and colored ... ○ Although there was no form of currency, the Inca still had social classes. ... Accessed 9 Oct. 2019. "The Technology of the Incas and Aztecs." Science and ... Some of their most impressive inventions were roads and bridges, including suspension bridges, which use thick cables to hold up the walkway. Their ... Javier, MSEE Following the Inca, the Aztec civilization has also made substantial contributions to science and technology and to the society as ... Among the many applied techniques, the impressive hydraulic engineering works stand out, including aqueducts, fountains, drainage and expansive ... These are just a few examples of Hitachi research at the forefront of high technology. ... Incas, who did not have a European notion of time and had plenty ... Introduction: Observe that the Incas did not have writing or scientific instruments for measure- ment. Ask students to think about how the Incas used direct ... Over the past century, Covey says, archaeologists have chipped away at myths told to Spanish chroniclers by Inca informants, who portrayed the ... As fishermen, Incas and Aztecs employed a variety of techniques including angling, nets and harpoons. The bag-shaped nets of the Aztecs, woven from agave fibers ... This work has revolutionized our view of the Inca empire and has provided a comparative database for understanding the nature of imperial expansion in ...