I don't know. In space you couldn't even
toss me a pen, and that was in zero GRAVITY.
The Big Bang Theory Season 8, Episode 3
...who believes loop quantum GRAVITY
better unites quantum mechanics...
The Big Bang Theory Season 2, Episode 2
I got to experience
zero GRAVITY.
The Big Bang Theory Season 5, Episode 18
GRAVITY wave discovery,
the more excited I get.
The Big Bang Theory Season 7, Episode 20
It uses powerful electromagnets to create
a force strong enough to overcome GRAVITY.
The Big Bang Theory Season 6, Episode 5