It's especially bad since sometimes you can combine orthodox science in novel ways to get a result that is seemingly ridiculous.
I remember there was a paper[1] where someone proved (mathematically mind) that you can change your position in curved space time by simply changing your internal configuration in a loop. By taking advantage that your center of mass behaves weirdly in curved space time.
Essentially, this would allow you to move in space without having to throw mass out via a thruster.
However, sadly, the displacement is too tiny to be practical.
I remember there was a paper[1] where someone proved (mathematically mind) that you can change your position in curved space time by simply changing your internal configuration in a loop. By taking advantage that your center of mass behaves weirdly in curved space time.
Essentially, this would allow you to move in space without having to throw mass out via a thruster.
However, sadly, the displacement is too tiny to be practical.
[1] stackexchange which explains this and links the paper: https://physics.stackexchange.com/questions/46180/can-a-defo...