did-you-kno: When magnetic ferrofluid comes in contact with a magnetic object, it becomes a moving sculpture that reflects the shape of the object’s magnetic field. Source

did-you-kno: When magnetic ferrofluid comes in contact with a magnetic object, it becomes a moving sculpture that reflects the shape of the object’s magnetic field. Source

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from: https://jillthekill.tumblr.com/post/129103187425