The Elliptical Pool Table - Numberphile
Why the open web links it
Explores the mathematics of an elliptical pool table and the surprising behavior of ball trajectories.
Linked by 10 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including ted.com, matkafasi.com, grasshopper3d.com, langweiledich.net, campisi.nl.