If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Input–output analysis, pioneered by Wassily Leontief, provides a quantitative framework to map interdependencies between industries by representing the economy as a network of inputs and outputs. At ...

A computer is a programmable device that can automatically perform a sequence of calculations or other operations on data once programmed for the task. It can store, retrieve, and process data ...