
the calculation
of NUCLEAR matrix elements.
The Big Bang Theory Season 7, Episode 20

It was already targeted
to poke around a NUCLEAR reactor in Siberia.
The Big Bang Theory Season 2, Episode 7

I'm worried about Sheldon someday
setting off a low-yield NUCLEAR device...
The Big Bang Theory Season 4, Episode 3

Luckily for you,
this is not a NUCLEAR reactor.
The Big Bang Theory Season 1, Episode 16

because things
have gone NUCLEAR.
Breaking Bad Season 5, Episode 11