Belousov-Zhabotinsky Oscillating Reaction

The Belousov-Zhabotinsky Oscillating Reaction
Tim Kench

NileRed Shorts did a video that explains how this is done. He uses a bunch of chemicals, most of which I had never heard of it, but the effect is very cool, so I dug around until I found this one. It reminds me of some of those fractal videos where you are constantly zooming in but the situation never changes.