Before smartphones, before transistors, before written language, the Inca were running an information system. Scientists just proved their knotted cords can power spreadsheets, encryption, and file ...

Scientists used the quipu’s data to build working spreadsheets, file systems, and encryption tools, rivaling conventional computing methods.

Farran Powell is the managing editor of investing at Forbes Advisor. She was previously the assistant managing editor of investing at U.S. News & World Report. Her work has appeared in numerous ...