“[Protrude, flow] uses magnetic fluid, sound, and moving images. Affected by the sounds and spectators’ voices in the exhibition place, the three-dimensional patterns of magnetic fluid transform in various ways, and simultaneously its flowing movement and dynamic transformations are projected on the wide screen. “

You can read a bit about it here. Or better yet watch a video of it here. If your dieing for more pictures or can read Japanese this link is probably the one you want to click.