Look at the beta function
of QUANTUM chromodynamics.
The Big Bang Theory Season 1, Episode 5
What is the correct interpretation
of QUANTUM mechanics?
The Big Bang Theory Season 8, Episode 2
...who believes loop QUANTUM gravity
better unites QUANTUM mechanics...
The Big Bang Theory Season 2, Episode 2
From QUANTUM particles to supernovas.
The Big Bang Theory Season 3, Episode 10