Scientists have developed a synthetic adhesive which has an on and off sticking mechanism.

Researchers at the University of California, Santa Barbara have created a first-of-its-kind synthetic reversible adhesive that can be controlled to make it sticky or non-sticky, much like the adhesive characteristics of a gecko’s foot (see the above image).

The adhesive mechanism was achieved with a nano-structure containing a micro-scale compliant surface, which is moved by applying a magnetic field to either engage the nano-structures with an adhering surface or to remove the nano-structures from the adhering surface, thus creating an on/off reversible adhesive mechanism.

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