The Incas used stringy objects called 'khipus' to record data—we just got a step closer to understanding them
The Incas used stringy objects called 'khipus' to record data—we just got a step closer to understanding them
phys.org
The Incas used stringy objects called 'khipus' to record data—we just got a step closer to understanding them
study in question: A Numerical Connection Between Two Khipus