Watch and Learn What's Causing Those Vortex Rings in Swimming Pools

Shelby Rogers
Shelby Rogers
| Mar 20, 2017 6:36 PM
Created: Mar 20, 2017 6:36 PM
Updated: Sep 20, 2021 12:38 PM
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Ever been in a pool and notice black shadowy circles along the bottom? Those are caused by vortices along the surface. So what exactly is a vortex? If you've ever been confused by the concept, Physics Girl on YouTube makes the concept simple in just four minutes.

Via Physics Girl

 

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