Space/Science — HabitableZone

Space/Science » in reply to Aerospace engineering is fine. But...

re: Aerospace engineering

Phil's right. The unusual contrails have been discussed for years in speculations on "black" aircraft, specifically related to pulse-ignition concepts being worked on. It's not our fault the word "contrail" has been poisoned around here.

Log in or register to post.

The whole thread (11 posts)