Yeah, well, it's just some
QUANTUM mechanics...
The Big Bang Theory Season 1, Episode 1
...of the Aharonov-Bohm
QUANTUM interference effect.
The Big Bang Theory Season 3, Episode 10
Sheldon, Howard, and I are working with
the government on our QUANTUM gyroscope.
The Big Bang Theory Season 10, Episode 11
Here are some topics that interest me:
QUANTUM mechanics, trains, flags...
The Big Bang Theory Season 8, Episode 21