FLIPS Reconfigurable Surface Controlled by Magnets

Jun-27-18 The novel FLIPS reconfigurable surface can switch from sticky to slippery on demand when triggered by a magnetitic field.

Developed by researchers at Harvard University, the FLIPS (Ferrofluid-containing Liquid-infused Porous Surface) consists of a solid substrate with a textured surface that has been infused with magnetic fluid. In its natural state, the ferrofluid will spread on the substrate as a smooth and slippery surface. Exposing the liquid to a magnetic field, however, will cause it to cling to the shape beneath and take on some of its properties, such as becoming adhesive or creating friction.

According to the team, the FLIPS surface can be finely tuned to suit various needs, including continuous pumping in pipes, removing biofilm, and micro-scale manufacturing.

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[NEWATLAS.COM]
[SEAS. HARVARD.EDU.NEW]

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