alchymista:

    Ferrofluid

    Ferrofluids are made up of tiny magnetic fragments of iron suspended in oil (often kerosene) with a surfactant to prevent clumping (usually oleic acid). 

    (Source: popsci.com, via scinerds)

  3 months ago    410 notes
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alchymista: Ferrofluid Ferrofluids are made up of tiny magnetic fragments of iron suspended in oil (often kerosene) with a surfactant to prevent clumping (usually oleic acid). 
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