...as A and we get force...
Earth GRAVITY.
The Big Bang Theory Season 3, Episode 10
Yes, and he never unified GRAVITY
with the other forces.
The Big Bang Theory Season 4, Episode 22
...for this university's
six-loop quantum GRAVITY calculations.
The Big Bang Theory Season 6, Episode 9
...she's unjustifiably arrogant
about loop quantum GRAVITY...
The Big Bang Theory Season 2, Episode 2
Ah, GRAVITY--
thou art a heartless bitch.
The Big Bang Theory Season 12, Episode 24