And they did the experiments in a vacuum chamber but at atmospheric pressure so ...

danbruc on July 31, 2014 | parent | context | favorite | on: NASA presents evidence that microwave thrusters se...

And they did the experiments in a vacuum chamber but at atmospheric pressure so that I can easily imagine that they just accelerated polar molecules or something like that.

_craft on July 31, 2014 [–]

Yes, or maybe something like a plasma actuator.