I put a smoke grenade inside an air cannon!

From Physics Girl.

Dianna from Physics Girl makes DIY crazy vortex ring shapes with Grant Sanderson from 3blue1brown

Turbulence with 3blue1brown: https://youtu.be/_UoTTq651dE

Support Dianna during her recovery – patreon.com/physicsgirl

http://physicsgirl.org/
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Creator: Dianna Cowern
Producer: Dan Walsh
Editing: Jabril Ashe
Animations: Keegan Larwin, Dan Walsh, Brooke Wimberley, and Jabril Ashe

Thanks to Kyle Kitzmiller!