![Trying to figure out why electrons
have no mass...
Trying to figure out why electrons
have no mass...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
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...
Yes, it tells us that you participate
in the mass cultural delusion...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
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.
Here's where we derived the mass
of the dark-matter particle.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
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.
'Cause force equals mass
times acceleration.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
'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.
That is an integrated ion trap
and time-of-flight mass spectrometer.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
That is an integrated ion trap
and time-of-flight MASS spectrometer.
The Big Bang Theory Season 6, Episode 5