Forums The Vibe Chat Strange behaviour of sand Re: Strange behaviour of sand


    @mungo1972 402810 wrote:

    Hi Daftfader ,
    Wow thats mad , hows it work ? , they look as if their almost alive . Really cool i want one 🙂 .

    ps how are you Daft ?

    It’s called ferrofluid. It’s a magnetic liqued that can be used as a cooling agent (sometimes in speakers!). It’s basicaly a liquid vertion of iron filings in this vid – it goes where the magnetic fields are (the two corkscrew point things are big electromagnets).