Learn how to create a water vortex by drilling a hole at the bottom of plastic aquarium to act as a drain. If don't have an aquarium just fill up your sink and then release drain plug. Stir in a circular motion and watch vortex form from above.
Aired:
09/07/16
| Expires: | Runtime: 2m 54s
You are leaving GBH.org
You are leaving gbh.org and going to a web page that is not owned by GBH. If you are streaming, your experience will be interrupted.