that's just a doodle of
a hyperelliptic Riemann SURFACE.
The Big Bang Theory Season 7, Episode 20
...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
Erase the hard drives, grab the tapes, wipe
our fingerprints off every SURFACE and run.
The Big Bang Theory Season 2, Episode 8
Then a laser will map
the reflective SURFACE...
The Big Bang Theory Season 6, Episode 5