I'm worried about Sheldon someday
setting off a low-yield NUCLEAR device...
The Big Bang Theory Season 4, Episode 3
...he built a small NUCLEAR reactor
in the shed...
The Big Bang Theory Season 1, Episode 4
...and tried to build
a NUCLEAR reactor in the tool shed.
The Big Bang Theory Season 8, Episode 23
is a NUCLEAR warhead.
Money Heist Season 1, Episode 9
the calculation
of NUCLEAR matrix elements.
The Big Bang Theory Season 7, Episode 20