Date: Tue, 19 Nov 2002 09:04:14 -0600 (CST)

Author: Dale Stille

Subject: Re:vortex cannon



It's a good Wow-er for demo shows and outreach, but the only class I've
used it in is our upper level fluid mechanics course.


On Tue, 19 Nov 2002, Gerald Zani wrote:

> Tappers,
> What physics does the vortex ring show? What class would need it, and why?
> This demo was recently voted off the PIRA 200 list by the Bib committee
> because it is not pertinent to the classroom. No one can explain it. Is
> it purely demo show wow-er? Jerry
> Gerald Zani e-mail:
> Manager of Demonstrations phone: (401) 863-3964
> Department of Physics FAX: (401) 863-2024
> Brown University Providence, RI 02912-1843 USA
> Do a little more of that work which you have confessed to be good,
> Which you feel that society and your most Just Judge rightly demand of you.
> Cultivate the tree which you have found to bear fruit in your soil.
> If you have any experiments you would like to try, try them.
> Now's your chance.
> Henry David Thoreau, Journal entry, 1850.