freshphotons: “Ferrofluids are colloidal liquids...

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“Ferrofluids are colloidal liquids made of nanoscale magnetic particles suspended in a carrier fluid. Each tiny particle is thoroughly coated with a surfactant to inhibit clumping. The magnetic attraction of nanoparticles is weak enough that the surfactant’s Van der Waals repulsion is sufficient to prevent magnetic clumping or agglomeration.” Magnetoscope, Michael Flynn.

Tagged: Colloidal liquid magnetic science Van der Waals nano

Posted on August 29, 2011 via Fresh Photons with 435 notes

Source: sciencegallery.com
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