There are a few vids up there. You can buy the stuff but it costs about $1 per mL. It's dead easy to make and last time we did it we made about 2L of the stuff. Didn't cost anywhere near 2k in materials

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Mark
Quote:
Originally Posted by MrB
Ferro fluid is pretty cool, was used in top-end audio tweeters for a while.
Saw a video years ago of someone playing with it in magnetic fields, sure there would be something on youtube.
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