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
...with silicone RTV
to provide a better mounting SURFACE?
The Big Bang Theory Season 2, Episode 18
...given the SURFACE area of this car
is about 60,000 square centimeters...
The Big Bang Theory Season 8, Episode 19
Can you recommend a SURFACE
The Big Bang Theory Season 7, Episode 18