[Spaceships] Real Life Non-Super Science Reactionless Engines

[Ulzgoroth]

Originally Posted by Anthony

Both of those things are fatal errors. They're getting the appearance of thrust from bad setup, not any real effect.

From elsewhere, I've seen it claimed that the 'negative control' there had a change that should have prevented it from working based on a particular theory about how it works, making that not so fatal on an experimental level.

Not having tested in vacuum is a pretty serious flaw though.