I'm posting this for a friend in the Youth Explainer program at the Franklin Institute in Philadelphia. He would like suggestions about how to explain the concepts of nuclear energy using props in the ewasiest cheapest way to museum visitors. Thanks for any help you can give! -Jim Moskowitz, for Manuel McDonnell-Smith -- ------------------------------------------------------------------------------- Jim Moskowitz ([log in to unmask]) Visit the Unknown Composers WWW Page: http://www.seas.upenn.edu/~jimmosk/TOC.html