![A sigma particle.
A sigma particle.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
A sigma PARTICLE.
The Big Bang Theory Season 1, Episode 13
![Professor Rothman urinated in
the particle physics wab again,
Professor Rothman urinated in
the particle physics wab again,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Professor Rothman urinated in
the PARTICLE physics wab again,
The Big Bang Theory Season 5, Episode 14
![Here, we have a highly gifted researcher
in the field of particle physics...
Here, we have a highly gifted researcher
in the field of particle physics...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Here, we have a highly gifted researcher
in the field of PARTICLE physics...
The Big Bang Theory Season 3, Episode 15
![](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
"Higgs boson PARTICLE."
How could you not get that?
The Big Bang Theory Season 3, Episode 13
![Penny has no interest
in subatomic particle research.
Penny has no interest
in subatomic particle research.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Penny has no interest
in subatomic PARTICLE research.
The Big Bang Theory Season 3, Episode 15