
...she's unjustifiably arrogant
about loop quantum GRAVITY...
The Big Bang Theory Season 2, Episode 2

Yeah... and the craziest part
is, because there's no GRAVITY,
The Big Bang Theory Season 5, Episode 18

Yes, and he never unified GRAVITY
with the other forces.
The Big Bang Theory Season 4, Episode 22

No, there isn't. Only loop quantum GRAVITY
calculates the entropy of black holes.
The Big Bang Theory Season 2, Episode 2

I really miss GRAVITY.
The Big Bang Theory Season 6, Episode 3