[Bring_Back_Shantz]

Originally Posted by Traditional_Ale

I want to send a probe that we could shoot off into deep space by blowing up a nuke behind it. Now that would have some speed! A nuclear based propulsion system on a spacecraft would be awesome too.

Yeah, that wouldn't really work that well.
If you blow up a nuke in space you get a lot of radiation, but since there is no atmosphere up there, there is no shockwave to actully propell a spacecraft, so the thing would hardly move at all.