Ever hear of Ferrofluids? No? Then you do not know what you are missing.
A ferrofluid is a liquid that becomes magnetized in the presence of a magnetic field, making amazing art and designs by how the field pulls on it. A ferrofluid is a colloidal liquid that is made of nanoscale ferromagnetic particles suspended in a fluid (usually a solvent or water). With a coating of a surfactant to prevent clumping, you get some cool things like this:
Here's a video if you want a video representation of how it happens!
Better yet, here is how you can make your own!
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