
...who believes LOOP quantum gravity
better unites quantum mechanics...
The Big Bang Theory Season 2, Episode 2

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

It's straight, it's in a LOOP,
The Big Bang Theory Season 11, Episode 13

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

Not till you tell me about
your latest paper on quantum LOOP theory.
The Big Bang Theory Season 10, Episode 24