...for this university's
six-loop QUANTUM gravity calculations.
The Big Bang Theory Season 6, Episode 9
From QUANTUM particles to supernovas.
The Big Bang Theory Season 3, Episode 10
No, there isn't. Only loop QUANTUM gravity
calculates the entropy of black holes.
The Big Bang Theory Season 2, Episode 2
...and QUANTUM mechanics teaches us...
The Big Bang Theory Season 2, Episode 19