The Incas had a system of accounting that relied on the quipu. Cords of various colours were attached to a main cord with knots. The number and position of knots as well as the colour of each cord ...

The superstructure "Quipu," recently identified, spans 1.3 billion light-years, challenging our understanding of the ...

With a mass equivalent to 200 million billion suns, it represents one of the largest structures ever observed. Its name, inspired by Inca quipus, evokes its complex filamentary shape, resembling a ...