It uses powerful electromagnets to create
a force strong enough to overcome GRAVITY.
The Big Bang Theory Season 6, Episode 5
And, of course, it's Gravity Probe B.
The Big Bang Theory Season 1, Episode 13
Boy, it's nice to sleep in a bed
with GRAVITY again.
The Big Bang Theory Season 6, Episode 5
Loop quantum GRAVITY clearly offers more
testable predictions than string theory.
The Big Bang Theory Season 2, Episode 2
...as A and we get force...
Earth GRAVITY.
The Big Bang Theory Season 3, Episode 10