![Helium has
an atomic number of two.
Helium has
an atomic number of two.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Helium has
an atomic number of two.
The Big Bang Theory Season 7, Episode 3
![I'm not seeing anyone
using liquid helium vortices like this.
I'm not seeing anyone
using liquid helium vortices like this.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I'm not seeing anyone
using liquid HELIUM vortices like this.
The Big Bang Theory Season 9, Episode 16
![the abbreviation for helium.
the abbreviation for helium.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
the abbreviation for HELIUM.
The Big Bang Theory Season 7, Episode 3
![Forget helium. The real superfluid
is the fruit punch in this mug.
Forget helium. The real superfluid
is the fruit punch in this mug.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Forget HELIUM. The real superfluid
is the fruit punch in this mug.
The Big Bang Theory Season 9, Episode 16