...she's unjustifiably arrogant
about loop quantum GRAVITY...
The Big Bang Theory Season 2, Episode 2
GRAVITY wave discovery,
the more excited I get.
The Big Bang Theory Season 7, Episode 20
Yes, and he never unified GRAVITY
with the other forces.
The Big Bang Theory Season 4, Episode 22
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
...for this university's
six-loop quantum GRAVITY calculations.
The Big Bang Theory Season 6, Episode 9