![It's startling you haven't considered
a Lorentz invariant or field theory approach.
It's startling you haven't considered
a Lorentz invariant or field theory approach.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
It's startling you haven't considered
a Lorentz invariant or field THEORY approach.
The Big Bang Theory Season 1, Episode 12
![It's just a theory.
It's not even worked out.
It's just a theory.
It's not even worked out.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
It's just a THEORY.
It's not even worked out.
The Big Bang Theory Season 10, Episode 23
![Oh. I'm working on time-dependent
backgrounds in string theory.
Oh. I'm working on time-dependent
backgrounds in string theory.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Oh. I'm working on time-dependent
backgrounds in string THEORY.
The Big Bang Theory Season 4, Episode 23