Jacob Aron, technology reporter
(Image: Fabian Oefner)
THIS psychedelic landscape ain't your daddy's watercolours. For one thing, the black lines you see are a ferrofluid, a mixture of oil and nanoscale iron particles that responds to a magnetic field. These fluids are normally used to seal computer hard drives or as a contrast medium in medical imaging, but their weird ways mean they show up in artworks, too.
This one was created by Fabian Oefner, an art photographer based in Switzerland, who often uses scientific phenomena to create his images. Oefner placed a few drops of ferrofluid on a white plate of glass and positioned a round magnet underneath to gather the liquid into a circle, forming bizarre three-dimensional structures on the surface. He then used a small syringe to add different shades of watercolours to the ferrofluid, disrupting the magnetic link between the iron particles. Adding just the right amount of watercolour left the attraction between the particles strong enough to create the cell-like pools of colour seen, whereas adding more caused it to fully mix with the ferrofluid, bursting the structure, as has happened on the right-hand side of the image.
Previous ferrofluid artworks include Morpho Towers by Japanese artist Sachiko Kodama, in which spiked sculptures drenched in the magnetic liquid appear to pulsate like an alien artefact, and the video for the single Watercolour by Australian band Pendulum, which features ferrofluids dancing to the music. Groovy.
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