
It uses powerful electromagnets to create
a force strong enough to overcome GRAVITY.
The Big Bang Theory Season 6, Episode 5

...who believes loop quantum GRAVITY
better unites quantum mechanics...
The Big Bang Theory Season 2, Episode 2

- I wonder what he's doing this very second.
- Conducting experiments in zero GRAVITY.
The Big Bang Theory Season 6, Episode 1

GRAVITY wave discovery,
the more excited I get.
The Big Bang Theory Season 7, Episode 20

Oh, GRAVITY, thou art a heatless bitch.
The Big Bang Theory Season 1, Episode 2