in the Earth's
SURFACE.
The Big Bang Theory Season 7, Episode 3
what do you say we get back
to SURFACE tension of domain walls?
The Big Bang Theory Season 9, Episode 10
Erase the hard drives, grab the tapes, wipe
our fingerprints off every SURFACE and run.
The Big Bang Theory Season 2, Episode 8
...as the SURFACE of
an n-dimensional superfluid.
The Big Bang Theory Season 8, Episode 23
...with silicone RTV
to provide a better mounting SURFACE?
The Big Bang Theory Season 2, Episode 18