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Discovery

How to Make Adhesive as Good as a Gecko

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Photo of a gecko, which has a unique ability to scamper across shear surfaces and vertical walls.

The gecko has a unique ability to scamper across sheer surfaces, even when those surfaces are vertical walls.

Credit: Ali Dhinojwala, the University of Akron


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A close-up image of a gecko's foot.

A close-up image of a gecko's foot.

Credit: Ali Dhinojwala, the University of Akron


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Photo of magnified gecko foot pads and carbon nanotube analogs developed in Dhinojwala's laboratory.

Panel A shows an actual gecko foot at moderate magnification, while panel B shows a scanning electron microscope image of the detailed structure of the filamentous setae lining the gecko's foot pads. The bottom two images show the carbon nanotube analogs developed in Dhinojwala's laboratory.

Credit: Ali Dhinojwala, the University of Akron


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A high-magnification scanning electron microscope image of gecko setae.

A high-magnification scanning electron microscope image of gecko setae shows the complex structure of these filaments that cover the animal's foot. Each filament is only microns (millionths of a meter) in diameter.

Credit: Ali Dhinojwala, The University of Akron


Download the high-resolution JPG version of the image. (51 KB)

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