Luckily for you,
this is not a NUCLEAR reactor.
The Big Bang Theory Season 1, Episode 16
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
because things
have gone NUCLEAR.
Breaking Bad Season 5, Episode 11
I'm worried about Sheldon someday
setting off a low-yield NUCLEAR device...
The Big Bang Theory Season 4, Episode 3