ferrofluid inside of a rotating magnetic field acts as a 2D projection of the 3D magnetic field
@varx yeah it looks amazing, and here's the original https://www.youtube.com/watch?v=UjWKiYdVy-8&feature=youtu.be
@yogthos At 52s I'm pretty sure that's an arcane symbol that may be used to tear a hole in the fabric of reality.
@yogthos Holy cats, that's gorgeous! What's the source?
I love the way the black disk suddenly clears to reveal the giraffe-spotted patten, and the way the straight tendrils curl in on themselves.