Loop quantum GRAVITY
is the future of physics.
The Big Bang Theory Season 2, Episode 2
...for this university's
six-loop quantum GRAVITY calculations.
The Big Bang Theory Season 6, Episode 9
Besides disrupting the local GRAVITY field.
The Big Bang Theory Season 1, Episode 6
I really miss GRAVITY.
The Big Bang Theory Season 6, Episode 3
It uses powerful electromagnets to create
a force strong enough to overcome GRAVITY.
The Big Bang Theory Season 6, Episode 5