2,000 Weightless Ping Pong Balls with Science Bob
Why the open web links it
A science educator demonstrates physics in microgravity by launching 2,000 ping pong balls on a parabolic flight.
Linked by 9 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including spektrum.de, weareteachers.com, updateordie.com, xatakaciencia.com, langweiledich.net.