that's just a doodle of
a hyperelliptic Riemann SURFACE.
The Big Bang Theory Season 7, Episode 20
Erase the hard drives, grab the tapes, wipe
our fingerprints off every SURFACE and run.
The Big Bang Theory Season 2, Episode 8
...on a SURFACE located
at the farthest reaches of our cosmos.
The Big Bang Theory Season 6, Episode 5
Then a laser will map
the reflective SURFACE...
The Big Bang Theory Season 6, Episode 5
what do you say we get back
to SURFACE tension of domain walls?
The Big Bang Theory Season 9, Episode 10