Video explains epidemic R-number through crocheting

Kathrine Frey Frøslie uses crocheting to show how quickly Covid cases increase as the R-number (spreadability) goes up. What a cool way to visualize it!

Kathrine Frey Frøslie works as associate professor in Biostatistics, and runs the popular science knitting blog The crochet work is made for the exhibition CoviDesign at Greve museum in Denmark, 2020/2021. Produced by Læringssenteret at the Norwegian University of Life Sciences.

[Thanks, Magnus!]