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

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

How does this GRAVITY wave
breakthrough
The Big Bang Theory Season 7, Episode 20

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

Boy, it's nice to sleep in a bed
with GRAVITY again.
The Big Bang Theory Season 6, Episode 5