What exactly are SUBATOMIC particles?
The Big Bang Theory Season 3, Episode 10
...are not being squandered
chasing SUBATOMIC wild geese...
The Big Bang Theory Season 2, Episode 3
Penny has no interest
in SUBATOMIC particle research.
The Big Bang Theory Season 3, Episode 15
I can't see SUBATOMIC particles,
but nevertheless, they're there.
The Big Bang Theory Season 4, Episode 3
...but the added fun of SUBATOMIC particles
and waves outside the visible spectrum.
The Big Bang Theory Season 8, Episode 19