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

I got to experience
zero GRAVITY.
The Big Bang Theory Season 5, Episode 18

...who believes loop quantum GRAVITY
better unites quantum mechanics...
The Big Bang Theory Season 2, Episode 2

And, of course, it's Gravity Probe B.
The Big Bang Theory Season 1, Episode 13

No, there isn't. Only loop quantum GRAVITY
calculates the entropy of black holes.
The Big Bang Theory Season 2, Episode 2