Floating in a warm pool
of LIQUID
The Big Bang Theory Season 12, Episode 19
my original theory that space time
was like a super-cooled LIQUID,
The Big Bang Theory Season 9, Episode 18
I'm not seeing anyone
using LIQUID helium vortices like this.
The Big Bang Theory Season 9, Episode 16
How about a LIQUID cooler?
A little aquarium pump here.
The Big Bang Theory Season 1, Episode 2
They make up a non-Newtonian fluid
which is LIQUID...
The Big Bang Theory Season 2, Episode 3