The Inca did not have a written language but they did store and transfer information via a system of knots in rope that is still being decoded
Harvard undergrad cracks code of knotted Inca rope used as ‘an ancient Excel spreadsheet’ Read Story Transcript Instead of partying during his spring break, Harvard undergrad Manny Medrano stayed on campus and deciphered the meaning of an ancient Inca khipu. Khipus are knotted string devices used by the Inca people to record information like censuses […]