Exploring the Frontiers of Incan Science and Technology

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 ... A new study used ancient DNA to find out for the first time where workers buried at Machu Picchu more than 500 years ago came from within the lost Inca Empire. This work has revolutionized our view of the Inca empire and has provided a comparative database for understanding the nature of imperial expansion in ... As a third point Troll pointed out irrigation technology as advantageous to Inca state-building. While Troll theorized concerning environmental influences on ... Even though the Inca lacked writing systems, like what the Aztec and Maya used, historical documents recorded many of their workings and culture ... The Incans had developed the technology to communicate to different parts of the empire using strings and build walls which did not need mortar to hold them ... Like our Indo-Arabic numeral system, Inca quipu use a base-ten decimal system. The knots have different positions on the string, which represent ... Freeze-Drying Food. As far as recorded history goes, the Incas were the first people to develop freeze-drying techniques. · Brain Surgery · A ... 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 ... 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 ...