Hanover, Germany / AS10

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MIT Khipu Research Group

The mystery:

The Inka Empire (1438–1533) had its own spoken language, Quechua, which is spoken today by about 10 million people including a third of the Peruvian population. It is believed that the only “written” language of the Inka Empire is a system of different knots tied in ropes that are attached to a longer cord. This system is called khipu or quipu. The ropes also have different colors, ply, and attachments, providing additional mechanics for encoding information. There is evidence from the Spanish crusades that khipus encoded census data as well as stories. However, no one knows how to decode either kind of information. There are several hundred khipus in the world today, waiting to be read.

The challenge:

Our research group is trying to break the khipu code: how did the Inkas record language with knots in rope? By combining computation, informatics, mathematics, linguistics, and anthropology, we hope to uncover the khipu mystery.