on ATOMIC spectroscopy
when I came across your ad.
The Big Bang Theory Season 9, Episode 8
you get 14, which is
the ATOMIC number of...?
The Big Bang Theory Season 7, Episode 3
Now, if you'll excuse me,
the father of the ATOMIC bomb...
The Big Bang Theory Season 4, Episode 3
If you multiply that
by the ATOMIC number of "N"--
The Big Bang Theory Season 7, Episode 3
I mean, he works with lasers
and ATOMIC magnets.
The Big Bang Theory Season 7, Episode 24