
They move through the graphene
as a WAVE.
The Big Bang Theory Season 3, Episode 14

How does this gravity WAVE
breakthrough
The Big Bang Theory Season 7, Episode 20

The WAVE swept us away.
Money Heist Season 3, Episode 8

...caused by relative motion between
the source of the WAVE and the observer.
The Big Bang Theory Season 1, Episode 6

If you look at Huygens, light is a WAVE,
as confirmed by the double-slit experiments.
The Big Bang Theory Season 1, Episode 1