what do you say we get back
to SURFACE tension of domain walls?
The Big Bang Theory Season 9, Episode 10
Then a laser will map
the reflective SURFACE...
The Big Bang Theory Season 6, Episode 5
...as the SURFACE of
an n-dimensional superfluid.
The Big Bang Theory Season 8, Episode 23
Can you recommend a SURFACE
The Big Bang Theory Season 7, Episode 18
...on a SURFACE located
at the farthest reaches of our cosmos.
The Big Bang Theory Season 6, Episode 5