One of the cool tangential things to come from being at the DMF/AEAF was finding out about Ferro Fluids, which inspired the Sony Cybershot TVC from theLaB here in Sydney. These special liquids with suspended magnetised particles which combine to create a fluid that reacts to magnetic fields to create some inspirational patterns.
[image os a Ferro Fluid in a magnetic field from Wikipedia]
The neatest thing is that it looks just like CG, but it is real. There are heaps of vids on YouTube, here are some to get you going: