
He's an EXPERIMENTAL physicist.
The Big Bang Theory Season 6, Episode 5

what to do with a washed-up
EXPERIMENTAL physicist...
The Big Bang Theory Season 5, Episode 10

Leonard grew up to be
an EXPERIMENTAL physicist.
The Big Bang Theory Season 1, Episode 16

A small payload support structure for
a European science EXPERIMENTAL package...
The Big Bang Theory Season 1, Episode 12

Oh, you heard me.
Your EXPERIMENTAL bonafides are laughable.
The Big Bang Theory Season 10, Episode 4