of the Higgs boson PARTICLE,
and you said,
The Big Bang Theory Season 5, Episode 21
...of a subatomic PARTICLE
called the Higgs boson.
The Big Bang Theory Season 6, Episode 3
"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.
The Big Bang Theory Season 3, Episode 15
each vibration is
a different PARTICLE.
The Big Bang Theory Season 11, Episode 13