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Gecko-grip material aims to be the end of glue

Now US chemists claim to have made one based on nanotubes that it is 10 times stickier than some gecko feet. Even more impressively, like a real gecko foot, it can also be easily unstuck with a tug in the right direction.

A close of up the structures on a gecko's foot, compared with the nanotubes that make up a synthetic mimic that is even stickier than the real thing (Image: Science)
A close of up the structures on a gecko's foot, compared with the nanotubes that make up a synthetic mimic that is even stickier than the real thing (Image: Science)
NewScientist.com

Gecko's gravity-defying trick explained

The secret behind the gecko's extraordinary wall-climbing ability is a unique quick-release mechanism that allows it to adhere strongly to a surface, but then detach with ease.

Pulling the Gecko hair in one direction causes it to stick tight (b), but applying a force at a larger angle allows it detach with ease (a) (Image: <I>Journal of the Royal Society Interface</I>)
Pulling the Gecko hair in one direction causes it to stick tight (b), but applying a force at a larger angle allows it detach with ease (a) (Image: Journal of the Royal Society Interface)
clipped from www.lclark.edu
clipped from www.lclark.edu

• Biomechanics • Physiology • Locomotion • Adhesive Biomaterials •

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