Ferrofluid is an interesting substance that is attracted to a magnetic field. While manually playing with a flask of such goo is interesting for a few minutes, GreatScott! had other ideas. His 3D-printed rig arranges a half-dozen custom electromagnets on the side of the flask. This allows an Arduino Nano to control the magnetic field arrangement, and […]
You’ve seen LED matrices, E Ink, CRTs, and likely a variety of other display methods, but chances are you’ve never seen anything like the ferrofluid matrix display by ‘Applied Procrastination.’ This student team from the University of Oslo has created a 252-pixel ferrofluid panel, dubbed “Fetch,” manipulating the inky black substance suspended in a saltwater […]
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