The Truth About Toilet Swirl - Northern Hemisphere

posted 2015-06-05

source tags:

smarter, every, day, science, physics, youtube edu, education, math, smarter every day, experiment, nature, demonstration, slow, motion, slow motion, educati...

Use this code to create a link with HQ preview picture and tags:

close »
Use this text to paste name, link and tags of the video:

close »
Report broken video