Loop quantum GRAVITY clearly offers more
testable predictions than string theory.
The Big Bang Theory Season 2, Episode 2
The idea that you might be able
to incorporate GRAVITY...
The Big Bang Theory Season 2, Episode 6
Well, I have an extremely
low center of GRAVITY.
The Big Bang Theory Season 7, Episode 11
Yes, and he never unified GRAVITY
with the other forces.
The Big Bang Theory Season 4, Episode 22
...as A and we get force...
Earth GRAVITY.
The Big Bang Theory Season 3, Episode 10