Figure 5 “The Coastline Paradox.” This image from Mandelbrot's 1967 paper models the coastline paradox: the property that the measured length of a stretch of a deeply indented coastline like Great Britain's depends on the scale of measurement. Smaller scales reveal new details, down More

Figure 1. The Community Environment model interface. Controls for weather and community settings are on the left, with the graphical display in the center. Rain falls on the land (green pixels) and erodes less stable soil, causing a trail of eroded land behind it (brown pixels). Water picks up More

Figure 1. The model sitting on its pedestal, 2017. Photograph by the author. More

Figure 4. Former site of the Chesapeake Bay Model. An original water meter is in the foreground, and the original water tower can be seen in the distance. Photograph by the author More

Figure 5. The sprawling Chesapeake Bay Hydraulic Model, housed in a warehouse that covered fourteen acres, became obsolete as soon as construction was finished. Photo courtesy of the US Army Corps of Engineers More

Figure 3. “The model offspring”: tenera variety oil palm fruit. Credit: Sophie Chao More

Figure 3. Pierre-Yves Renkin with a great auk model, near Namur, Belgium, 2016. Photograph by the author More