http://www.nv.doe.gov/library/films/testfilms.aspx
its the American Dept of Energy declassified nuclear videos. i found it in one of those classic surfing stumbles. aperantly you can order the full lenght videos form the DOE. pure propoganda
this one is kind of beautiful
http://www.nv.doe.gov/library/films/media/wmv/0800070.wmv