
Yeah, well, it's just some
QUANTUM mechanics...
The Big Bang Theory Season 1, Episode 1

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

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

I guess it was pretty smart
using our QUANTUM technology
The Big Bang Theory Season 11, Episode 8