This video shot on an iPhone 12 depicts both the flow of ferrofluid, as well as, the flow of light. The ferrofluid exhibits normal field instability. The colored lights are reflecting off of the ferrofluid because of its dark color.
The song used is Scream & Shout by will.i.am feat. Britney Spears.
Collaborators: Jon Gruener and Ari Matrajt Frid