Our take: This post tells a curiosity-driven story, starting with two seemingly simple ideas, pi and random walks, and gradually connecting them through 150 years of mathematical history. The interactive visualization becomes a way of revisiting that history and exploring how mathematical knowledge was produced. The author not only uses visualization to explore the apparent randomness of pi’s digits, but also retraces historical calculations and visual experiments, checking earlier work through computation. The article recognizes the human labor and material spaces behind what we often think of as abstract mathematical knowledge, from handwritten calculations to museum displays and early computers. The interactive format then invites readers to follow, and to some extent repeat, this process of exploration themselves. This is a wonderful example of how computational reconstruction, visualization, and interactive storytelling can bring abstract knowledge back into its historical and material context, and offer new ways of engaging with the history of knowledge production.
Editors’ Choice: The Afterlife of Pi
