Người Inca đã Sử dụng Điều này để Viết mà không cần Chữ viết

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The Inca Empire used bundles of knotted string called khipu to store and convey information. But how do you read a bunch of strings? And was this a unique form of writing... or knot?

Hosted by: Stefan Chin

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Sources: https://docs.google.com/document/d/e/2PACX-1vTf2GPlyXbXY9_jAwWYt5rdtrC5lKnYokH-zZxmV76Vqaacmu1zZsvq5s1ouAbpRZ4AThaKfhRfa3W4/pub