Engineering Marvels of the Inca A Testament to Human Ingenuity

When did archery arise in the Americas? And what were the effects of this technology on society? These questions have long been debated ... Rich in foodstuffs, textiles, gold, and coca, the Inca were masters of city building but nevertheless had no money. In fact, they had no marketplaces at all. Top 5 Ancient Incan Inventions · Transportation Network · Rope Bridges · Khipus · Terrace Farming · Freeze-drying ... They also used astrological cycles to aid in planting and harvesting and developed two calendars that are as precise as those we use today. The ... Among the many applied techniques, the impressive hydraulic engineering works stand out, including aqueducts, fountains, drainage and expansive ... The Inca Empire did have its own spoken language called Quechua. This ... The ancient Inca writing tool of the quipu was an important technology that ... Freeze-Drying Food. As far as recorded history goes, the Incas were the first people to develop freeze-drying techniques. · Brain Surgery · A ... The Antikythera mechanism, a kind of analogous computer working with a differential gear, and the astrolabe both show great refinement in astronomical science. 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 ... At the heart of these remarkable social and technological advances is the khipu (or quipu), a data recording device using knotted and colored ...