Hang on.
Physics Today mentioned the paper.
The Big Bang Theory Season 8, Episode 18
Here, we have a highly gifted researcher
in the field of particle PHYSICS...
The Big Bang Theory Season 3, Episode 15
...to succeed in theoretical PHYSICS.
The Big Bang Theory Season 2, Episode 6
should be the ones to win
the Nobel Prize for PHYSICS.
The Big Bang Theory Season 12, Episode 13
Would you like to play a PHYSICS car game
I invented called I Can't Spy?
The Big Bang Theory Season 8, Episode 19