Scout shrugged, "Science, stuff like that." She said, "I never learnt about it, so I don't know. But I believe they filled the bullet with gunpowerder to launch it forword, then they use some sort of mechanism to fire the bullet."
She pauses...
"Wait, 1602? Well, brother, times have changed. Last I checked, over three hundred and fifty years have passed. The Engineer said that any sufficiently advanced race is indistinguishable from gods, like Australians."
OoC: I might have a little bit more time before I'm dragged away to play football...