I'm gonna have to disagree here. Sometime back in season 2 or 3 they had a shot where a rocket engine's flame cone passed through a girder and it lit up due to

I'm gonna have to disagree here. Sometime back in season 2 or 3 they had a shot where a rocket engine's flame cone passed through a girder and it lit up due to the change in temperature. I mean, that's borderline nerd pornography.