Wolfram Research

The Big Mac Index

The Big Mac index, published by The Economist from 2000 to 2018.

Power Grid Network

An undirected, unweighted network representing topology

Power Density in Biological and Astronomical Systems

Power density in various systems in the universe for a comparison of their thermodynamics efficiency

Wind Speed Measurements

Average daily wind speed at 12 meteorological stations in the Republic of Ireland 1961-1978