
Yeah... and the craziest part
is, because there's no GRAVITY,
The Big Bang Theory Season 5, Episode 18

Besides disrupting the local GRAVITY field.
The Big Bang Theory Season 1, Episode 6

Loop quantum GRAVITY clearly offers more
testable predictions than string theory.
The Big Bang Theory Season 2, Episode 2

I really miss GRAVITY.
The Big Bang Theory Season 6, Episode 3

...she's unjustifiably arrogant
about loop quantum GRAVITY...
The Big Bang Theory Season 2, Episode 2