While we were discussing cool visuals using magnets, like this creepy ferroputty blob, I stumbled across this mind-bending high-speed video of iron particles suspended in an oily liquid, pulled to and fro in spikes and waves by invisible magnetic fields.
It’s our old friend ferrofluids again. Beautiful. Go full screen on this one.
Video by Иванов Вячеслав on Vimeo.