Check out our section on Gun Propulsion history
http://www.astronautix.com/lvfam/gunnched.htm
http://www.friends-partners.org/partners/mwade/lvfam/gunnched.htm

Companies and Projects
Sugar Shot
Heliocentric Technologies
Harder-Gissing Machine
 
Space news
http://www.space.com/
http://spacedaily.com/
http://www.spaceflightnow.com/
 
Astronomy picture of the day
http://antwrp.gsfc.nasa.gov/apod/astropix.html
 
The Canadian Space Society
http://www.css.ca/
 
NASA website
http://www.nasa.gov/
 
European Space Agency
http://sci.esa.int/

Clarks Favorites Space Links
http://www.hobbyspace.com/Links/

Space Frontier Foundation
http://www.space-frontier.org/