It uses powerful electromagnets to create
a force strong enough to overcome GRAVITY.
The Big Bang Theory Season 6, Episode 5
The idea that you might be able
to incorporate GRAVITY...
The Big Bang Theory Season 2, Episode 6
...who believes loop quantum GRAVITY
better unites quantum mechanics...
The Big Bang Theory Season 2, Episode 2
How does this GRAVITY wave
breakthrough
The Big Bang Theory Season 7, Episode 20
...as A and we get force...
Earth GRAVITY.
The Big Bang Theory Season 3, Episode 10