If you gaze into the abyss, the abyss also gazes into you. Or, in this case, an adorable, minimalist facsimile of a face, rendered in patches of ferrofluid -- nanoparticles of ferromagnetic material suspended in a carrier liquid.
And you don't have to do the first gazing, either: Eye Catcher, a project by Lin Zhang and Ran XieInteractive Architecture Lab at University College London, is desperate for your attention; so much so that the artwork will slide along the wall next to a passerby, hoping to catch their attention, seemingly suspended by magic. When they stop to look, two spots -- like eyes -- rise out of the puddle of ferrofluid at the bottom of the frame to look back. Read more.