Polygon Vortex Part 2 IYPT 2020 Problem 12 Demonstration
Why the open web links it
Demonstrates the IYPT 2020 physics problem on polygon vortex formation and behavior.
Linked by 3 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including workers.dev, ycombinator.com, psychosis.hn.