If ferrofluid and silly putty had a kid, it would be this, super paramagnetic silicone putty. Watch above as it swallows a magnet. Hit the jump for another video. [via Geekologie]


Morpho Towers – Two Standing Spirals (Ferrofluid sculptures)

Becky Stern

Becky Stern

Becky Stern ( is a DIY guru and director of wearable electronics at Adafruit. She publishes a new project video every week and hosts a live show on YouTube. Formerly Becky was Senior Video Producer for MAKE. Becky lives in Brooklyn, NY and belongs to art groups Free Art & Technology (“release early, often, and with rap music”) and Madagascar Institute (“fear is never boring”).

  • Gene

    This is great stuff… a wonderful classroom experiment. Okay, now how do I make magnetic putty?

    • BobsYourUncle

      Probably just add iron filings (the black dust variety) to Silly Putty.

  • Improviser

    Better check out the reviews over at Edmund Scientific.
    Looks like the same snake oil they were trying to pawn only they call it “Black Magnetic Thinking Putty”.