List of Physical Visualizations
and Related Artifacts
With tag “peru”

2600 BC – Inca Quipus

Quipus were complex assemblies of knotted ropes that were used in South America as a data storage device and played an important role in the Inca administration. Only a handful of specialists could use and decipher them. Their meaning mostly remains a mystery but it seems that color, relative position of knots, knot types and rope length were used to encode categorical and quantitative variables. […]

Added by Pierre Dragicevic. Category: Passive physical visualization. Tags: , , , ,
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