Ferrofluid Petite Bouteille

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Be carefull, this product is highly addictive and relaxing :)

ferrofluid or ferromagnetic fluid is a liquid that becomes strongly magnetized in the presence of a magnetic field. 

A process for making a ferrofluid was invented in 1963 by NASA's Steve Papell to create liquid rocket fuel that could be drawn toward a pump inlet in a weightless environment by applying a magnetic field