The Incas used stringy objects called 'khipus' to record data—we just got a step closer to understanding them
For more than a millennium, many Andean peoples used an object called a "khipu" (also spelled "quipu" and pronounced "key-poo" to record and communicate information.
https://phys.org/news/2024-11-....incas-stringy-khipus
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