Laura Helmuth on Nostr: Residents of Königsberg asked Leonhard Euler to figure out whether it was possible ...

Residents of Königsberg asked Leonhard Euler to figure out whether it was possible to walk a path across all 7 city bridges only once. Euler dismissed the problem as banal and non-mathematical—but then got hooked and invented the math to solve it https://www.scientificamerican.com/article/how-the-seven-bridges-of-koenigsberg-spawned-new-math/