Abstract / Synopsis
Early in the COVID-19 pandemic, when spring began to make itself felt, photos showed New Yorkers enjoying the outdoors, while properly socially distanced, by sitting on the grass in a square lattice of circles. But the planners should have consulted a mathematician for the design, because significantly more people (over 15% more) could enjoy the same area safely if the circles were closer packed into a hexagonal lattice.
Robert Haas, "On the Mathematics of Social Distancing," Journal of Humanistic Mathematics, Volume 12 Issue 1 (January 2022), pages 217-218. . Available at: https://scholarship.claremont.edu/jhm/vol12/iss1/16
Copyrighted Design magazine pictures
File_Memorial Day 2020 - San Francisco Under Quarantine (49935629483).jpg - Wikimedia Commons.pdf (1210 kB)
File_Memorial Day 2020 - San Francisco (cropped).pdf (1148 kB)
Wikimedia picture (cropped)