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

You're doing work
in quantum LOOP corrections.
The Big Bang Theory Season 1, Episode 12

- Uh-oh, he's stuck in an infinite LOOP.
- I can fix it.
The Big Bang Theory Season 2, Episode 13

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

Loop quantum gravity
is the future of physics.
The Big Bang Theory Season 2, Episode 2