Boy, it's nice to sleep in a bed
with GRAVITY again.
The Big Bang Theory Season 6, Episode 5
Ah, GRAVITY--
thou art a heartless bitch.
The Big Bang Theory Season 12, Episode 24
Loop quantum GRAVITY clearly offers more
testable predictions than string theory.
The Big Bang Theory Season 2, Episode 2
How does this GRAVITY wave
breakthrough
The Big Bang Theory Season 7, Episode 20
The lack of GRAVITY did decompress my
spine, so I'm, like, an inch-and-a-half taller.
The Big Bang Theory Season 6, Episode 4