Trying to figure out why electrons
have no MASS...
The Big Bang Theory Season 3, Episode 14
Yes, it tells us that you participate
in the MASS cultural delusion...
The Big Bang Theory Season 1, Episode 1
Here's where we derived the MASS
of the dark-matter particle.
The Big Bang Theory Season 3, Episode 4
'Cause force equals MASS
times acceleration.
The Big Bang Theory Season 5, Episode 15
That is an integrated ion trap
and time-of-flight MASS spectrometer.
The Big Bang Theory Season 6, Episode 5