Archive | April, 2013
Peruvian Quipus

The Original Barcode: the Quipu from Peru

In the absence of a written language, the Inca Empire of the Andean region of South America used quipus (sometimes called “talking knots”) to keep records. Spun from tens to thousands of strands of Alpaca and llama hair, the colorful knots contain numeric and other values encoded by a decimal positional system.  They are still widely used […]

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