After repeated contacts with clean glass, the microspheres are shed, and the fibers recover 30% of their original adhesion. Gecko's feet are able to stick to surfaces thanks to millions of microscopic hair-like projections known as setae. Gecko biomimicry produces adhesive better than the real thing. Replicating the self-cleaning attribute that naturally occurs when gecko feet accumulate particles from an exterior surface between setae. Their feet allow them to stick, upside down, to any type of material except Teflon. So far, scientists have developed “gecko tape,” a dry unidirectional adhesive, based on the gecko’s remarkable “toe fuzz.” When you pull the tape one direction, it sticks; but when you pull it another direction, it releases. But instead of spraying the backing with adhesive right away, the researchers first applied a silicon-based film. Replicating the adhesive rigid polymers manufactured in microfibers that are approximately the same size as gecko setae. The adhesion is based solely on the geometry of the fibers: sliding the tape against a surface uncurls the fibers to engage the adhesive while sliding the tape in the opposite direction causes it to unstick (check out this video demonstration ). Each handheld gecko pad is covered with 24 adhesive tiles, and each of these is covered with sawtooth-shape polymer structures each 100 micrometers long (about the width of … Geckos with dirty feet recovered their ability to cling to vertical surfaces after only a few steps. Nanotube Adhesive Sticks Better than a Gecko’s Foot. Gecko biomimicry produces adhesive better than the real thing. The latest innovation inspired by biomimicry is an adhesive inspired by the power of gecko feet. University of Akron Carbon nanotube arrays transferred onto a … First synthetic gecko adhesive which cleans itself during use, as the natural gecko does. The gecko adhesive, unlike conventional adhesive tapes, does not feel “sticky” to the touch. 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