I'd take any claim it's going to be available soon with a pinch of salt, especially as that video looks CG to me.
(, Sat 9 Oct 2021, 11:33, Reply)
His other videos are a little more convincing, but the ferrofluid also looks a little bit more shit. It's just a wanky lava lamp at the end of the day, really.
(, Sat 9 Oct 2021, 11:38, Reply)