Solar Survival Show: Solar Fountain
Take a look at Ambrose Spencer's SunToys and you will see why I say that if you are going to do only one public solar demo, you should do a solar fountain.
click for movie
Ambrose Spencer and SunToys at AltWheels 2005
Video courtesy of http://energyvison.blogspot.com
A floating solar fountain can be bought for $60 or less. It will be less impressive than Ambrose's larger model but add a basin and some water and you still have a great display that kids love to turn on and off with their shadows.
It already is a solar wishing well.
Floating and other solar fountains available from
Buy one and set it up at the local farmers market or public square. Raise a little consciousness and make a few rainbows.
Cross-posted at http://www.dailykos.com/story/2006/6/26/233752/597