What about loop quantum GRAVITY?
The Big Bang Theory Season 7, Episode 20
...she's unjustifiably arrogant
about loop quantum GRAVITY...
The Big Bang Theory Season 2, Episode 2
It uses powerful electromagnets to create
a force strong enough to overcome GRAVITY.
The Big Bang Theory Season 6, Episode 5
I don't know. In space you couldn't even
toss me a pen, and that was in zero GRAVITY.
The Big Bang Theory Season 8, Episode 3
Yes, and he never unified GRAVITY
with the other forces.
The Big Bang Theory Season 4, Episode 22