Amazing 9 Layer Density Tower - Sick Science! #012
Why the open web links it
Demonstrates a 9-layer density tower using household liquids to show differences in density.
Linked by 8 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including ufpa.br, siyavula.com, meredithplays.com, blaskogaskoli.is, gosciencegirls.com.