Oh. I'm working on time-dependent
backgrounds in string THEORY.
The Big Bang Theory Season 4, Episode 23
...I will be the scientist
who confirmed string THEORY.
The Big Bang Theory Season 2, Episode 23
...with a little string THEORY doodling
around the edges. That part's just a joke.
The Big Bang Theory Season 1, Episode 1
Penny, while I subscribe
to the Many-Worlds THEORY...
The Big Bang Theory Season 3, Episode 3
I mean, look,
string THEORY posits
The Big Bang Theory Season 11, Episode 13