Ferrofluids, yea it is new to me too

I am working on this project that needs magnets, magnets are cool we all know that. I plan to use rare earth magnets because they’re coolest, they are rare and earthy. So, I am out at a magnet supply site looking for a source and I see a menu option titled “Magnetic Tools-Films-Fluids & Gadgets”. Fluids, really….. What can you do with that, quite a bit it seems. Now all I need to do is figure out what I can do with that.

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1 Response

  1. Aaron Evans says:

    Looks like with an electromagnet you can bypass Earnshaw’s theorem and make the stuff levitate: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2822352/

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