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

lf l get any kind of hit,
l'll keep you in the LOOP on that.
Breaking Bad Season 4, Episode 5

What about LOOP quantum gravity?
The Big Bang Theory Season 7, Episode 20

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

A LOOP counter and an escape
to the least objectionable activity.
The Big Bang Theory Season 2, Episode 13