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
Loop quantum gravity clearly offers more
testable predictions than string theory.
The Big Bang Theory Season 2, Episode 2
You're doing work
in quantum LOOP corrections.
The Big Bang Theory Season 1, Episode 12
Not till you tell me about
your latest paper on quantum LOOP theory.
The Big Bang Theory Season 10, Episode 24