![I'm telling you,
if xenon emits ultraviolet light...
I'm telling you,
if xenon emits ultraviolet light...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I'm telling you,
if XENON emits ultraviolet light...
The Big Bang Theory Season 4, Episode 4
![Anyway, Sheldon, we're at a decision point
to run the xenon stream
Anyway, Sheldon, we're at a decision point
to run the xenon stream](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Anyway, Sheldon, we're at a decision point
to run the XENON stream
The Big Bang Theory Season 10, Episode 20
![Yes, well, if we lived in a world where
slow-moving xenon produced light...
Yes, well, if we lived in a world where
slow-moving xenon produced light...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Yes, well, if we lived in a world where
slow-moving XENON produced light...
The Big Bang Theory Season 4, Episode 4
![And xenon has a bigger nucleus,
And xenon has a bigger nucleus,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
And XENON has a bigger nucleus,
The Big Bang Theory Season 11, Episode 8
![Be even better if he swapped out
the helium for xenon.
Be even better if he swapped out
the helium for xenon.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Be even better if he swapped out
the helium for XENON.
The Big Bang Theory Season 11, Episode 8