Date: Tue, 19 Nov 2002 10:21:46 -0500
Author: Chuck Britton
Subject: Re:vortex cannon
Wave superposition (and independence of added waves)
Shoot a white ring with a red ring and observe the exiting rings.
At 9:04 AM -0600 11/19/02, Dale Stille wrote:
>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:
>> 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: Gerald_Zani@brown.edu
>> Manager of Demonstrations phone: (401) 863-3964
>> Department of Physics FAX: (401) 863-2024
>> Brown University Providence, RI 02912-1843 USA
>> URL http://www.physics.brown.edu/users/staff/zani/index.html
>> URL http://www.physics.brown.edu/Studies/Demo/
>> 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.