Stone Buildings
- The Inca were able to create sturdy stone buildings. Without the use of iron tools they were able to shape large stones and have them fit together without the use of mortar. By fitting the stones closely as well as other architectural techniques, the Inca were able to create large stone buildings that survived for hundreds of years despite the many earthquakes that occur in Peru.
Farming
- The Inca were expert farmers. They used irrigation and water storage techniques to grow crops in all sorts of terrain from the deserts to the high mountains. Despite not having beasts of burden or iron tools, the Inca farmers were very efficient.
Calendar and Astronomy
- The Inca used their calendar to mark religious festivals as well as the seasons so they could plant their crops at the correct time of the year. They studied the sun and the stars to calculate their calendar. The Inca calendar was made up of 12 months. Each month had three weeks of ten days each. When the calendar and the sun got off track, the Inca would add a day or two to bring them back into alignment.
Government and Taxes
- The Inca had a complex system of government and taxes. Numerous officials kept watch over the people and made sure that the taxes were paid. The people were required to work hard, but their basic needs were provided.
Interesting Facts
- About Inca Science and Technology The messengers who ran on the roads were punished harshly if the message was not accurately delivered. This rarely happened.
- The Inca built a variety of bridges including suspension bridges and pontoon bridges. One of the main forms of medicine used by the Inca was the coca leaf.
- The Inca developed aqueducts to bring fresh water into town. The basic unit of distance used by the Inca was one pace or a "thatki".
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