If you’re not sure what Ferrofluid is, it’s basically a liquid that becomes strongly magnetized in the presence of a magnetic field. Ferrofluids are colloidal liquids made of nanoscale ferromagnetic, or ferrimagnetic, particles suspended in a carrier fluid (usually an organic solvent or water), according to Wikipedia.
Check out the video below.
It was invented by Steve Papell of NASA in 1963, and when you apply a magnet to it, well….. that’s the reaction you get. Awesome right! Make sure to share this on Facebook before you go.