I found this link in the April 2006 Edition of Popular Science:
http://stardustathome.ssl.berkeley.edu/

Reading through the links I found this one the most intrigueing:
http://www.planetary.org/programs/pr...ome/facts.html

It is science oriented but not using your computer, using your eyes while watching movies of intricate particles embeded in Aerogel that returned from a space exploration. Sounds pretty neat to me...

Any Questions;

***Admin Comment; I thought this link should get its on place on Phys Science's list of projects.