My QUANTUM gravity's
positively loopy.
The Big Bang Theory Season 7, Episode 20
Yeah, well, it's just some
QUANTUM mechanics...
The Big Bang Theory Season 1, Episode 1
...the Copenhagen interpretation of QUANTUM
physics, he proposed an experiment.
The Big Bang Theory Season 1, Episode 17
...due to QUANTUM vacuum fluctuation?"
The Big Bang Theory Season 1, Episode 13
...she's unjustifiably arrogant
about loop QUANTUM gravity...
The Big Bang Theory Season 2, Episode 2