But Penny has no interest
in subatomic PARTICLE research.
The Big Bang Theory Season 3, Episode 15
Professor Rothman urinated in
the PARTICLE physics wab again,
The Big Bang Theory Season 5, Episode 14
"Higgs boson PARTICLE."
How could you not get that?
The Big Bang Theory Season 3, Episode 13
each vibration is
a different PARTICLE.
The Big Bang Theory Season 11, Episode 13
to isolate the Higgs
boson PARTICLE.
The Big Bang Theory Season 5, Episode 4