Fun with Vortex Rings in the Pool
Why the open web links it
Demonstrates vortex ring formation in water using simple tools and visual dye to explain fluid dynamics.
Linked by 7 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including sciencealert.com, science-et-vie.com, aqua.win, jiyugaoka-violin.com, magneticuniverse.com.
Cited in 1 Wikipedia article, including Vortex ring.