artillery

Any ballistics experts out there? I have been wrestling with a thought experiment for some while without success. The purpose of rifling is to impart spin to a projectile, which gives it gyroscopic stability. My interpretation of that is that as soon as it leaves the barrel it will carry on...

A convoy encountered an improvised roadside bomb that released sarin gas today. Pretty scary stuff. Yes, I know this comes under the heading of "grasping at straws" on the WMD question. But I think it's safe to assume the insurgents didn't build the shell themselves. From Fox CNN has a...