WonderMagnet
I found this fantastic site about magnet via Notcot's post about Ferrofuild. It is a liquid magnet which can display magnetic fields in 3 dimensions. They even have video of an electromagnet hooked to a speaker output and dipped in the Ferrofuild. The liquid ripples and pulses to the sound of the music. Besides Ferrofuild, there are tons of other neat magnet info and links. They have a video of a running engine suspeded by magnets! Dig around and you can learn a ton.
posted by JRS @ 1:22 PM
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